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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Ant Esports ICE-200TG
Budget mid-tower. Tempered glass side, 4 ARGB fans included. Decent airflow for the price; cable management is basic.
Out of stockNZXT H7 Flow (2024)
Mid-tower ATX, dual-chamber, high-airflow front. Cable management excellence.
Out of stockCorsair 5000D AIRFLOW
Mid-tower ATX, dual-chamber, RapidRoute cable management. Premium airflow.
Thermaltake Core P6 Tempered Glass Snow White ATX Mid Tower Case
[PC Case] Thermaltake Core P6 TG Snow White Transformable Open-Frame Case Dual-configuration chassis that can be easily transformed between a closed-chassis and open-frame design. Equipped with three 4mm tempered glass panels and modular brackets. ⭐ Key Features - Transformable between closed case and wall-mountable open frame - Rotatable PCI-E slots for horizontal or vertical graphics card displays - PSU cover and cable management shroud included - Magnetic dust filters on top, bottom, and side 📋 Technical Specifications - Dimensions: 565 x 255 x 530 mm - Net Weight: 17.84 kg - Front I/O: 1x Type-C, 2x USB 3.0, 2x USB 2.0 📦 Package Includes - 1 x Thermaltake Core P6 TG Snow White Chassis - 1 x Riser Cable Mount Bracket
Out of stockVelcro Cable Ties (50 pc, 200mm)
Reusable hook-and-loop cable management ties, 200mm length, black.
Blivex LFP32700 3.2V 6Ah LiFePO₄ Rechargeable Battery Cell
[LiFePO4 Battery Cell] 🔋 Blivex LFP32700 3.2V 6Ah LiFePO₄ Rechargeable Battery Cell High Capacity • Long Cycle Life • High Discharge Performance • Ideal for Energy Storage & Electric Vehicles The Blivex LFP32700 3.2V 6Ah LiFePO₄ Rechargeable Cell is a premium cylindrical lithium iron phosphate (LiFePO₄) battery designed for high-performance energy storage and power applications. Featuring a nominal voltage of 3.2V, 6Ah capacity, and up to 18A continuous discharge current, this cell delivers stable output voltage, excellent safety, and long service life. The specification identifies the product as a LFP32700-6.0Ah LiFePO₄ cylindrical rechargeable cell. Manufactured with a robust steel enclosure, the battery offers excellent resistance to vibration, shock, and harsh operating conditions while maintaining low self-discharge and high energy efficiency. It is suitable for battery packs used in electric vehicles, solar energy storage systems, portable power stations, communication backup systems, robotics, and industrial equipment. The datasheet also highlights its sturdy steel case, high capacity, long cycle life, stable output voltage, and good high/low temperature performance. Datasheet : Click Here To Open ⭐ Features High-capacity 6Ah LiFePO₄ cylindrical cell Nominal voltage of 3.2V Excellent cycle life of 2000+ cycles High continuous discharge capability up to 18A (3C) Peak pulse discharge current up to 30A (5C) Low internal resistance (≤8mΩ) Stable output voltage Low self-discharge High safety and thermal stability Sturdy pressure-resistant steel casing Excellent vibration and shock resistance Suitable for battery pack assembly 📋 Technical Specifications Brand: Blivex Model: LFP32700-6.0Ah Battery Chemistry: Lithium Iron Phosphate (LiFePO₄) Battery Type: Cylindrical Rechargeable Cell Nominal Voltage: 3.2V Nominal Capacity: 6.0Ah Energy Density: 142Wh/kg Internal Resistance: ≤8mΩ (AC, 1000Hz) Limited Charge Voltage: 3.65V Charge Method: CC/CV Standard Charge Current: 0.5C Maximum Charge Current: 1C Charge Cut-off Current: 0.3A Discharge Cut-off Voltage: 2.0V Standard Discharge Current: 6A (1C) Maximum Continuous Discharge Current: 18A (3C) Maximum Pulse Discharge Current: 30A (10 seconds) Cycle Life: 1500 Cycles (25°C, 100% DOD) Charge Temperature: 0°C to 60°C Recommended Charge Temperature: 15°C to 40°C Discharge Temperature: -30°C to 60°C Recommended Discharge Temperature: 15°C to 40°C Cell Diameter: 32.2 ± 0.3mm Cell Height: 70.5 ± 0.3mm Weight: 135 ± 5g These specifications are taken from the manufacturer's datasheet. 🔧 Applications Suitable for: Solar Energy Storage Systems Portable Power Stations Home Energy Storage UPS Backup Systems Electric Scooters Electric Tricycles Electric Four-Wheel Vehicles Electric Logistics Vehicles Battery Pack Manufacturing Communication Backup Power Industrial Energy Storage Robotics Projects DIY LiFePO₄ Battery Packs Marine & RV Power Systems The manufacturer lists applications including electric two-wheel vehicles, tricycles, logistics vehicles, special vehicles, portable energy storage, household energy storage, industrial energy storage, and communication backup power. 📦 Package Includes 1 × Blivex LFP32700 3.2V 6Ah LiFePO₄ Rechargeable Battery Cell ⚠️ Note Use only with a compatible LiFePO₄ charger and an appropriate Battery Management System (BMS). Do not short-circuit, crush, puncture, disassemble, or expose the battery to fire or excessive heat. Store the battery in a cool, dry place when not in use. Product appearance may vary slightly depending on the manufacturing batch. The datasheet includes additional handling, storage, and safety precautions for transportation, storage, and battery use.
3.7V BMS 1S 2A 18650 Lithium Battery Protection Board
[Lithium Battery Protection Board] The 1S 3.7V Lithium Battery Protection Board (BMS/PCM) is a compact battery management module designed specifically for single-cell lithium-ion batteries such as 18650, 14500, and similar 3.7V rechargeable cells. It continuously monitors battery voltage and current to ensure safe charging and discharging operations. In addition, the module provides multiple layers of protection including overcharge, over-discharge, overcurrent, and short-circuit protection. As a result, it helps extend battery life and improves the safety of battery-powered devices. Because of its compact size, the protection board can be easily integrated into DIY battery packs, portable electronics, LED lighting systems, and rechargeable battery projects. Furthermore, the board uses nickel-strip compatible terminals for easy battery pack assembly. The protection circuit is designed for long-term reliable operation and helps prevent damage caused by improper charging or excessive current draw. Moreover, it offers high voltage detection accuracy for improved battery management performance. ⚠️ Note: This protection board is designed for 3.7V Lithium-Ion batteries only and is not suitable for LiFePO4 batteries. 🔹 Key Features Single-cell (1S) lithium battery protection board Suitable for 18650 lithium-ion batteries Overcharge protection Over-discharge protection Overcurrent protection Short-circuit protection High voltage detection accuracy Compact and lightweight design Easy installation and integration Long operational life 🔹 Pin Configuration B+ : Battery Positive Terminal B- : Battery Negative Terminal P+ : Charge / Discharge Positive Terminal P- : Charge / Discharge Negative Terminal 🔹 Technical Specifications Product Type: Lithium Battery Protection Module (BMS/PCM) Battery Configuration: 1S (Single Cell) Compatible Battery Type: 3.7V Lithium-Ion (18650, 14500, etc.) Operating Voltage Range: 3.2V – 4.2V Overcharge Detection Voltage: 4.25 ± 0.05V Overcharge Release Voltage: 4.23 ± 0.05V Over-discharge Detection Voltage: 2.54 ± 0.1V Continuous Charge Current: 2A Continuous Discharge Current: 2A Maximum Supported Current: 2A – 5A Protection Functions: Overcharge, Over-discharge, Overcurrent, Short Circuit Terminal Type: Nickel Strip Compatible Board Life Expectancy: More than 20,000 Operating Hours 🔹 Applications This protection board is suitable for: 18650 battery packs Rechargeable lithium battery projects DIY power banks Portable electronics LED lighting systems Battery-powered devices Robotics projects Arduino and ESP32 power systems 🔹 Important Notes Not suitable for LiFePO4 batteries Not recommended for high-current motors above 4A Not suitable for electric bicycles or high-power battery packs Ensure correct polarity during installation Use only with compatible lithium-ion cells 🔹 Package Includes 1 × 1S 3.7V 2A Lithium-Ion Battery Protection Board (BMS/PCM)
TP4056 1A Li-Ion Lithium Battery Charging Module with Micro USB 3.7V Charger Board
[Li-ion Rechargeable Battery Charger, Lithium Battery Protection Board] The TP4056 1A Li-Ion Lithium Battery Charging Module – Micro USB is a compact and efficient charging board designed for charging single-cell 3.7V lithium-ion and lithium polymer batteries. It features an onboard Micro USB connector, allowing direct charging from USB power sources such as computers, adapters, and power banks. In addition, the module supports external power input through the IN+ and IN- pads, making it suitable for custom battery charging applications and DIY electronics projects. As a result, users can easily integrate the module into portable devices and battery-powered systems. Because of its compact size and lightweight design, the TP4056 module is ideal for space-limited applications. Furthermore, the onboard charging management IC provides stable charging performance with high accuracy and reliable battery protection. The charging current is set to 1A by default, but it can also be adjusted by changing the onboard programming resistor. Moreover, the module includes dual LED indicators for charging status and full-charge indication. This charging module is widely used in power banks, DIY battery chargers, portable electronics, IoT devices, robotics systems, and rechargeable battery projects. 🔹 Key Features TP4056 lithium battery charging IC Onboard Micro USB input interface Suitable for 3.7V Li-Ion and LiPo batteries Default 1A charging current Adjustable charging current support Dual LED charging status indicators Compact and lightweight design High charging accuracy and stable performance Easy integration into DIY projects 🔹 Technical Specifications Product Type: Lithium Battery Charging Module Charging IC: TP4056 Input Interface: Micro USB Input Voltage: 5V DC Battery Type: 3.7V Li-Ion / LiPo Battery Default Charging Current: 1A Adjustable Current Range: 100mA – 1000mA Charging Method: Constant Current / Constant Voltage Charging Indicators: Charging LED & Full Charge LED Mounting Type: PCB Module Body Material: FR4 PCB 🔹 Applications This TP4056 charging module is suitable for many electronic applications, including: DIY power banks Rechargeable battery projects Portable electronics Robotics systems IoT devices Battery charging circuits Arduino projects DIY electronics projects 🔹 Package Includes 1 × TP4056 1A Li-Ion Lithium Battery Charging Module – Micro USB
TDT LiFePO4 LFP 4S 12.8V 25A Battery Management System
[Lithium Battery Protection Board] The TDT 4S 12.8V 25A LiFePO4 Battery Management System (BMS) is designed to protect and manage 4-cell LiFePO4 battery packs. It continuously monitors each cell’s voltage and current to ensure safe and stable operation. In addition, the BMS includes a balancing function, which helps maintain equal voltage across all cells. As a result, the battery pack delivers better performance and longer life. Moreover, the module provides multiple protection features, including overcharge, over-discharge, overcurrent, and short-circuit protection. Therefore, it prevents damage to the battery and improves reliability. Because of its compact design and efficient performance, this BMS is ideal for solar systems, backup power solutions, electric vehicles, and DIY battery packs. 🔹 Key Features Supports 4S LiFePO4 (LFP) battery packs Nominal voltage 12.8V 25A continuous discharge current Built-in cell balancing High reliability and stable operation Compact and easy to install Suitable for various battery applications 🔹 Protection Functions Overcharge protection Over-discharge protection Overcurrent protection Short-circuit protection Temperature protection (if supported) 🔹 Technical Specifications Parameter Specification Brand TDT Battery Type LiFePO4 (LFP) Battery Configuration 4S Nominal Voltage 12.8V Max Continuous Current 25A Balance Function Yes Application Lithium battery protection 🔹 Applications Solar battery systems DIY LiFePO4 battery packs Backup power systems Electric scooters and bikes Energy storage systems (ESS) 🔹 Package Includes 1 × TDT 4S 12.8V 25A LiFePO4 BMS Board
TC4056 Type-C 1A Lithium Battery Charging Module 5V USB-C 3.7V Li-ion LiPo Charger Board
[Li-ion Rechargeable Battery Charger, Lithium Battery Protection Board] Product Description The TC4056 Type-C Lithium Battery Charging Module is a compact, efficient, and reliable solution for charging 3.7V lithium-ion and lithium polymer batteries. Designed with a modern USB Type-C input, this module ensures easy compatibility with standard chargers and power sources. It uses a proven CC/CV (Constant Current / Constant Voltage) charging algorithm, which ensures safe charging, longer battery life, and stable performance. The module is ideal for DIY electronics, power banks, portable devices, and embedded systems. With intelligent charging management, automatic cut-off, and pre-charge functionality, the TC4056 module provides complete protection and efficient charging for your batteries. ⚡ Key Features 🔋 Safe & Efficient CC/CV ChargingProvides stable and optimized charging for lithium batteries. 🔌 Type-C USB InputEasy to use with mobile chargers, USB adapters, and power banks. ⚡ Stable 1A Charging CurrentDefault charging current of 1A for fast and reliable performance. 🔴🔵 LED Charging Indicators Red LED: Charging Blue LED: Fully Charged 🧩 Compact & Lightweight DesignPerfect for space-constrained and portable applications. 🛠️ Easy IntegrationSimple connections make it beginner-friendly and ideal for DIY use. 🔄 Smart Charging Features 🔋 Automatic Charge TerminationStops charging when current drops to 100mA after full charge, protecting battery health. 🔄 Auto Recharge FunctionCharging restarts automatically when battery voltage falls below 4.05V. 🪫 Pre-Charge ModeWhen battery voltage is below 2.9V, the module charges safely at 100mA. 📊 Specifications Specification Description Charging IC TC4056 Input Voltage 5V DC (Type-C USB) Charging Current 1A (default, adjustable) Battery Type 3.7V Li-ion / Li-Po Cut-off Voltage 4.2V Charging Method CC/CV Indicators Red (Charging), Blue (Full) 🔧 Applications 🔋 18650 Battery Charging🔌 DIY Power Banks🔧 Arduino / ESP32 Projects🎮 Portable Electronics💡 Rechargeable LED Projects📦 Backup Power Systems 📦 Package Includes 1 × TC4056 Type-C Lithium Battery Charging Module
Type-C USB 5V 2A Step-Up Boost Converter with USB Charger
[Li-ion Rechargeable Battery Charger, Step UP Buck Converter] Build your own portable power solutions with the Type-C USB 5V 2A Step-Up Boost Converter Power Bank Module — a compact and efficient charging solution designed for DIY power banks and USB-powered devices. This versatile module supports battery charging and 5V boost output, allowing you to convert battery voltage into a stable 5V USB output for powering smartphones, microcontrollers, and other USB devices. Equipped with a Type-C input, high-efficiency boost circuit, and intelligent power management, this module ensures reliable performance, fast charging, and safe operation. It also supports simultaneous charging and discharging, making it perfect for uninterrupted power supply applications. Key Features 🔋 2-in-1 Charging + Boost ModuleCharge your lithium battery while simultaneously providing a stable 5V output. ⚡ Stable 5V 2A OutputDelivers consistent power for USB devices like smartphones, Arduino, ESP32, and more. 🔌 Type-C USB InputModern and widely compatible input for easy charging (5V–5.5V). 🔄 High Efficiency Boost Conversion (Up to 92.5%)Minimizes power loss and improves battery life. 🧠 Smart Power ManagementAutomatically controls charging cycles, output switching, and battery protection. 🔘 External Button Control Support Short press: Turn ON output & display Double press: Turn OFF output 🔧 DIY Friendly DesignIncludes USB-A solder pads for custom builds and integrations. Working Functions 🔹 Auto shutdown when load current < 50mA🔹 Auto stop charging when current drops to 100mA🔹 Auto recharge when battery voltage < 4.1V🔹 Pre-charge mode below 2.8V (180mA safe charging)🔹 Supports charging while discharging Specifications Specification Description Input Voltage 5V – 5.5V (Type-C USB) Charging Cut-off Voltage 4.2V / 4.35V ±0.5% Charging Current 2.4A ±5% Boost Output Voltage 5V – 5.15V Output Current Up to 2A Efficiency Up to 92.5% Output Ripple 100mV Quiescent Current 30µA Material Metal + Plastic Applications 🔋 DIY Power Banks📱 Mobile Charging Projects🔧 Arduino / ESP32 Power Supply🔌 USB Device Power Modules🚗 Portable Electronics🧪 Embedded Systems & Prototyping Package Includes 1 × Type-C USB 5V 2A Step-Up Boost Converter Power Bank Module
3.7V 4.2V Battery Type-C Charger Board DC-DC Step-Up Boost Module
[Lithium Battery Protection Board] The 3.7V 4.2V Battery Type-C Charger Board DC-DC Step-Up Boost Module is a compact power management module designed for single lithium batteries. It combines a charging circuit and a DC-DC step-up boost converter, allowing the battery to power devices that require higher voltage outputs. This module uses a USB Type-C interface, which provides convenient and reliable power input. As a result, it is compatible with many modern power adapters and USB chargers. In addition, the onboard boost circuit can increase the battery voltage and deliver stable output. Because of this feature, the module can power small electronics such as portable gadgets, DIY power banks, and IoT devices. The board also includes several protection functions. For example, it protects the battery from over-charging, over-discharging, short circuits, and overheating. Therefore, the battery can operate safely and maintain a longer service life. Thanks to its ultra-small and lightweight design, the module is easy to integrate into compact electronic devices and DIY electronics projects. 🔹 Key Features Supports lithium battery charging and discharging USB Type-C power input Integrated DC-DC step-up boost converter Adjustable boost output voltage Constant current and constant voltage charging Built-in over-temperature protection Charging status and fault indicator Ultra-compact and lightweight design 🔹 Technical Specifications Parameter Specification Chipset TP4056 Input Voltage 4.2V – 5.5V Output Voltage 4.2V – 24V Adjustable Maximum Power 5W Operating Temperature -40°C to 80°C Operating Humidity 5% – 95% RH Module Size 23.4 × 18 mm Weight ~5 g 🔹 Applications This module can be used in many portable electronics projects, such as: DIY power banks Portable electronics IoT devices Robotics projects Emergency backup power systems Battery-powered gadgets 🔹 Package Includes 1 × 3.7V 4.2V Battery Type-C Charger Board DC-DC Step-Up Boost Module
2S 20A 7.4V / 8.4V 18650 Lithium Battery Protection Board with Balance
[Li-ion Rechargeable Battery Charger, Lithium Battery Protection Board] The 2S 7.4V / 8.4V 20A Lithium Battery Protection Board with Balancing is a compact and reliable Battery Management System (BMS) designed for 2-cell (2S) 18650 lithium-ion battery packs. This board provides complete protection and automatic cell balancing to ensure safe charging, stable discharging, and long battery life. With a nominal output of 7.4V and a full charge voltage of 8.4V, this protection board supports continuous current up to 20A, making it suitable for medium-power applications such as DIY battery packs, portable power tools, robotics, LED systems, solar projects, and backup power supplies. The built-in balancing function equalizes the voltage between both cells during charging, preventing overcharging of individual cells and improving overall pack efficiency and lifespan. Multiple protection features including over-charge, over-discharge, over-current, and short-circuit protection ensure maximum safety during operation. Compact in size and easy to wire, this BMS is ideal for both DIY users and professional battery pack manufacturers. ⭐ KEY FEATURES ✔ Designed for 2S (2-cell) 18650 lithium battery packs✔ 20A continuous discharge current support✔ Built-in cell balancing function✔ Protection against over-charge, over-discharge, over-current & short circuit✔ Improves battery safety, performance & lifespan✔ Compact PCB – easy to integrate✔ Ideal for DIY & professional battery pack builds 🔧 TECHNICAL SPECIFICATIONS Battery Configuration: 2S (2 cells in series) Nominal Voltage: 7.4V Full Charge Voltage: 8.4V Maximum Continuous Current: 20A Battery Type: 3.7V Li-ion (18650 rechargeable cells) Balancing Function: Yes (automatic during charging) Protection Functions: Over-charge protection Over-discharge protection Over-current protection Short-circuit protection 🔌 WIRING GUIDE – How to Connect 2S Battery Pack 🔹 Board Terminals (Typical Marking) B- → Battery negative (Cell 1 −) B1 → Between Cell 1 & Cell 2 B+ → Battery positive (Cell 2 +) 🔹 Output / Charger Terminals P- → Load / Charger negative P+ → Load / Charger positive (same as B+) 🔧 Connection Steps Connect Cell 1 negative → B- Connect Cell 1 positive / Cell 2 negative → B1 Connect Cell 2 positive → B+ Connect Load & Charger + → P+ (or B+) Connect Load & Charger − → P- ⚠️ Use only matched 18650 cells and an 8.4V Li-ion charger. 🎯 APPLICATIONS DIY lithium battery packs Power tools & cordless devices Robotics & automation projects LED lighting systems Solar battery packs Backup power & portable energy systems 📦 PACKAGE INCLUDES 1 × 2S 20A Lithium Battery Protection Board with Balancing
7S 20A BMS for 18650 Lithium-Ion Battery Pack – Protection Board with Connector
[Lithium Battery Protection Board] The BMS NMC 7S 20A Same Port is an advanced Battery Management System designed for high-performance 25.9V lithium NMC battery packs. Engineered with integrated protection features and a compact PCB layout, this BMS offers robust electrical safety while minimizing design complexity with its single port for both charging and discharging. This Data sheet is for Lichtronics 7S 20A NMC PCM/BMS Charging Voltage -DC:29.4-30V CC/CV Max continuous charging current – 20A Over charge detection voltage – 4.25±0.05V Over discharge detection voltage – 2.8±0.08V Over current detection current – 40A Operating Temperature -45°C –+65°C Storage Temperature -45°C — +85°C Product Data Sheet Key Features Same Port Design: Combines charging and discharging through a single port for streamlined connections. 20A Continuous Discharge: Supports mid-range power devices with stable performance. Multiple Safety Protections: Overcharge Protection Over-discharge Protection Overcurrent & Short Circuit Cut-off Temperature Detection Passive Balancing: Ensures equal charge across cells for longer battery life. Compact and Lightweight Design: Ideal for tight enclosures or portable builds. Connector Included: Easily connect to standard 7S battery configurations. Technical Specifications Specification Details Battery Chemistry Lithium NMC (3.7V/cell) Configuration 7S (7 Cells in Series) Nominal Voltage 25.9V Charge Cut-off Voltage 29.4V (4.2V per cell) Discharge Cut-off ~17.5V (2.5V per cell) Max Continuous Current 20A Port Type Same port for charge/discharge PCB Size Compact footprint Balance Current 30-60 mA Applications Electric Bikes & Scooters Solar Lighting & Backup Power Portable DIY Power Systems Battery Replacements & Packs Energy Storage & IoT Solutions The PCM NMC 07S/20A SAME PORT (SLCT) is a Protection Circuit Module (PCM) designed for lithium nickel manganese cobalt (NMC) battery packs configured in a 7-series (07S) setup. This module provides overcharge, over-discharge, overcurrent, and short-circuit protection to safeguard the battery and enhance its lifespan. It is rated for a maximum continuous current of 20A, allowing higher current flow for larger applications. The "SAME PORT" feature suggests that both charging and discharging can occur through the same port, simplifying the battery management system. The "SLCT" (selectable) feature likely refers to adjustable settings for specific battery configurations or protections. 📦 Package Includes 1 × 7S 20A BMS Protection Board (with connector)
10S 20A Lithium-ion BMS 18650 Battery Charging Board
[Lithium Battery Protection Board] Overview of this 10S 20A BMS 18650 Battery Charging Board Introducing 10S 20A BMS 18650 Battery Charging Board at best price in India. This 10S 20A BMS provides comprehensive protection and efficient management for 18650 lithium batteries. It offers critical safeguards against overcharging, over-discharging, and short circuits, ensuring battery safety and longevity. Ideal for high-power applications, this 10S BMS for 18650 lithium battery delivers reliable performance and durability. With its 20A current rating, the 20A BMS for 18650 lithium battery charger board supports demanding energy systems. The advanced circuitry ensures optimal charging and discharging, reducing heat and extending battery life. Its robust design and high-performance capabilities make it suitable for both professional and DIY projects. Upgrade your battery management with this efficient and dependable 10S 20A BMS 18650 Battery Charging Board. Features 20A High Current Support: Handles up to 20A continuous current, suitable for high-power applications. Ensures reliable energy delivery for demanding devices and systems. 10S Configuration: Designed for 10 series lithium-ion cells, providing balanced charging and discharging. Maintains cell balance for improved performance and battery lifespan. Advanced Protection Features: Includes protection against overcharge, overdischarge, short-circuits, and overcurrent. Enhances safety and prevents damage to the battery pack. Efficient Heat Management: Built with components that ensure effective heat dissipation during operation. Prevents overheating and maintains consistent performance under load. Compact and Durable Design: This 10S 20A BMS 18650 battery charging board fits easily into various battery setups and projects. Its durable built ensure reliability and long life in diverse condition. Specification No. Tested Item Criterion 1 Voltage Charging Voltage DC:42V CC/CV Blance Volatage for single cell 4.1V 2 Current Blance Current for single cell 40 ± 20 mA Current consumption <= 30µA Max continuous charging current 20A Max continuous discharging current 20A 3 Over Charge Protection Over charge detection voltage 4.25 ± 0.03V Over charge detection delay time <1000ms Over charge release voltage 4.15 ± 0.05V 4 Over discharge detection voltage Over Discharge Protection 2.7 ± 0.08V Over discharge detection delay time 1400ms Over discharge release voltage 3±0.08V 5 Over Current Protection Over current detection current (discharging) 20A±3A Release condition Cut load Over current detection delay time <1300ms 6 Short Circuit Protection Detection condition (120A) Exterior short circuit Release condition Cut short circuit Short circuit detection delay time 300us 7 Temperature Protection Temperature Protection Charging 50°C Discharging 70°C 8 Interior Resistance Main loop electrify resistance VC=4.2V,RDS≤60mΩ 9 Temperature Operating Temperature -45°C –+65°C Storage Temperature -45°C+85°C Package Includes: 1 X 10S 20A BMS 18650 Battery Charging Board
4S 5A Active Balancer Equalizer Board for LiFePO4/Li-ion
[Lithium Battery Protection Board] 4S 5A Active Balancer Equalizer Board for LiFePO4/Li-ion Software active equalization specification Number of battery pack strings – 4S Balance current ≤5A Balance mode – Active equilibrium working temperature -20°C~60°C The 4S5A Active Balancer (NEEY) is a battery management solution designed for 4 series lithium-based battery packs. It supports 5A of current per cell for active balancing, which ensures that all cells in the battery pack remain at a balanced voltage level. Active balancing redistributes energy from cells with higher voltage to those with lower voltage, optimizing the overall performance and efficiency of the battery. This helps prevent individual cells from becoming overcharged or discharged excessively, extending the lifespan and enhancing the safety of the battery pack. The NEEY model delivers reliable performance in energy storage systems, electric vehicles, and other high-demand lithium battery applications. Applicable battery type : NCM/LFP Teemary Lithium/Lithium Iron Single voltage working range: NCM/LFP version 3.0V-4.2V Balance method : Detect the nearby voltage difference is greater than 0.1V totrigger the start of balanced the adjacent battery voltage difference is less than 003V to stop working Balance current: 0.2V Adjacent voltage difference 0.1V, Balance current: 054-0.74, Adjacent voltage difference 0.2V. Balanced current: 2A LED indicator : 1. When the equalization light is on the equalization work is turned on, 2. The equalization light goes out the equalization circuit sleeps Operating Temperature Range: -20° to 60° The smaller the differential voltage, the smaller the balance current. Package Include: 1x 4S 5A Active Balancer Equalizer Board for LiFePO4/Li-ion 1x Cable
Out of stockTDT 10S 20A NMC Battery Protection and Charger BMS with Balance Hardware
TDT BMS NMC 10S 20A WITH BALANCE Hardware Product Data Sheet The BMS NMC 10S 20A WITH BALANCE (TDT) is a robust and efficient Battery Management System designed for 10-series (10S) lithium-ion NMC battery packs. With a nominal system voltage of 37V and a continuous current capacity of 20A, this module ensures safe and stable operation of high-performance battery packs used in e-mobility, energy storage, and industrial tools. Technical Specifications Battery Chemistry: Lithium-ion (NMC) Configuration: 10S (10 cells in series) input Voltage B+ to B-: -0.3~+20V Overcharge Detection voltage/1CELL: 4.28±0.05V Over discharge Detection voltage/1CELL: 2.8±0.1V Over current: 4-6A Suggest working temperature: -20°C~+60°C Key Features 20A High Current Support Perfect for mid-to-high power battery packs used in electric bikes, scooters, power tools, and solar inverters. Built-in Balancing Function Automatically maintains uniform voltage across all cells to extend overall battery life. Comprehensive Protections Protects against overcharge, over-discharge, overcurrent, short circuit, and thermal runaway. Durable Aluminum Heat Sink Casing Helps dissipate heat effectively for stable thermal performance. Applications Electric Bicycles & Scooters (E-Bikes) Solar Battery Packs & Inverters DIY 10S Battery Pack Projects Cordless Industrial Tools Electric Wheelchairs & Mobility Carts The PCM NMC 10S 20A WITH BALANCE (TDT) is a Battery Protection Circuit Module (PCM) designed for 10 series Nickel Manganese Cobalt (NMC) battery packs, supporting a 20A continuous discharge current. This module is ideal for high-power applications such as energy storage systems, backup power solutions, and electric vehicles. It offers essential protection features, including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring the safe operation of the battery. The WITH BALANCE feature ensures proper voltage balancing across the cells, optimizing performance and extending the battery’s lifespan. The TDT designation indicates a specific manufacturer or design for reliable battery management.
JIABAIDA (JBD) NMC 10S 36V 20A Battery Management System
[Lithium Battery Protection Board] The JIABAIDA (JBD) 10S 37V 20A Battery Management System (BMS) is an advanced electronic module designed to protect and manage 10S lithium-ion battery packs using NMC chemistry. It ensures safe operation by continuously monitoring voltage, current, and temperature. In addition, the BMS includes cell balancing functionality, which helps maintain equal voltage across all cells. As a result, battery performance improves and lifespan increases. Moreover, the system features multiple protection mechanisms, including overcharge, over-discharge, overcurrent, and short-circuit protection. Therefore, it helps prevent battery damage and ensures reliable operation. Because of its compact design and accurate monitoring, this BMS is suitable for electric bikes, battery packs, solar storage systems, and portable power applications. 🔹 Key Features Supports 10S Li-ion (NMC) battery packs 20A continuous discharge current Built-in cell balancing function High-accuracy voltage monitoring Temperature monitoring support Multiple protection systems Stable and reliable performance Suitable for DIY and industrial use 🔹 Protection Functions Overcharge protection Over-discharge protection Overcurrent protection Short-circuit protection Temperature protection 🔹 Technical Specifications Parameter Specification Brand JIABAIDA (JBD) Battery Type Li-ion (NMC) Battery Configuration 10S Nominal Voltage 37V Max Continuous Current 20A Cell Voltage Range 0V – 4.2V Temperature Range -40°C to 85°C Voltage Balance Accuracy ±5mV Current Accuracy ±50mA 🔹 Applications Electric bikes (E-bike) DIY battery packs Solar energy storage systems Portable power systems Electric scooters Backup power solutions 🔹 Package Includes 1 × JBD 10S 37V 20A Battery Management System (BMS)
Type-C USB Input High Current 3A Polymer Ternary Lithium Battery Quick Fast Charging Board IP2312 CC/CV Mode 5V To 4.2V
[Lithium Battery Protection Board] Power your projects with the Type-C USB Input 3A Lithium Battery Fast Charging Board (IP2312) — a compact, high-efficiency charging solution designed for 3.7V lithium-ion and lithium polymer batteries. Built around the advanced IP2312 main control chip, this module delivers fast, stable, and intelligent charging using a full CC/CV (Constant Current / Constant Voltage) charging algorithm. It ensures optimal battery health, safety, and performance while supporting high current charging up to 3A, making it ideal for modern DIY electronics and portable power applications. The Type-C input interface provides universal compatibility with standard 5V USB power sources, while onboard indicator LEDs clearly display charging status. ⚠️ Note: Not suitable for 3.2V LiFePO4 (Lithium Iron Phosphate) batteries Key Features ⚡ High Current Fast Charging (Up to 3A)Supports rapid charging for lithium-ion/polymer batteries, reducing charging time significantly. 🔋 Advanced CC/CV Charging TechnologyEnsures safe and efficient charging with automatic switching between charging stages. 🔌 Type-C USB InputModern and widely compatible input interface (4.5V–5.5V), easy to power from adapters, power banks, or USB ports. 🧠 Smart Charging Management (IP2312 Chip)Automatically adjusts charging mode based on battery voltage for maximum safety and efficiency. 🔴🔵 LED Status Indicators Red LED: Charging in progress Blue LED: Fully charged 🛠️ Compact & Easy IntegrationSmall size makes it perfect for embedded systems, DIY battery packs, and portable devices. Charging Working Principle 🔹 Trickle Charging Mode (< 3V)When battery voltage is below 3V, the module charges with a safe low current (~100mA). 🔹 Constant Current Mode (> 3V)Once voltage exceeds 3V, it switches to constant current charging (up to 3A). 🔹 Constant Voltage Mode (~4.2V)As the battery approaches full charge, it maintains voltage while gradually reducing current. 🔹 Auto Cut-Off & Recharge Charging stops when current drops below 300mA Automatically resumes charging if voltage drops below 4.1V Specifications Specification Description Main Chip IP2312 Charging Mode CC/CV (Constant Current / Voltage) Input Voltage 4.5V – 5.5V (Type-C USB) Charging Current Up to 3A Battery Type 3.7V Li-ion / Li-Po Cut-off Voltage 4.2V / 4.35V Indicator LEDs Red (Charging), Blue (Full) Dimensions 34.5mm × 15mm Applications 🔋 DIY lithium battery packs🔌 Power bank projects🚗 Portable electronics & gadgets🔧 Arduino / ESP32 battery systems🔦 Rechargeable lighting systems📦 Embedded battery charging modules Package Includes 1 × Type-C USB 3A Lithium Battery Fast Charging Board (IP2312)
JBD 3-4S/100A Smart BMS For LiFePO4 (LFP) batteries
[Lithium Battery Protection Board] JBD Smart BMS 3-4S 100A (DP04S014) Charge and discharge are both at the same port Product Data Sheet Cell specifications: 3~4 strings of LiFePO4 battery Continuous current: 100A Balance detect Voltage 3.8 Interface type: Charge and discharge are both at the same port Charging voltage: 3.6V*Number of strings Cell voltage range: 2.30~3.75V Continuous charging current: 100A Continuous discharging current: 100A The JBD SMART BMS 100A DP04S014 (3-4S) is a compact and powerful Battery Management System designed for lithium-ion and LiFePO4 battery packs with 3 to 4 series cells. It supports a continuous discharge current of 100A, making it suitable for high-power applications such as electric vehicles, portable power systems, and energy storage solutions. This BMS provides essential protection features including overcharge, over-discharge, overcurrent, short circuit, and temperature management to ensure safe and reliable battery operation. With active cell balancing, it maintains voltage consistency across cells. It also supports UART, RS485, and CANBUS communication, along with Bluetooth for real-time monitoring and diagnostics, offering flexibility and control over battery performance. Package Includes: 1 x JBD 3-4S/100A Smart BMS For LiFePO4 (LFP) batteries 1 x 5 Pin Connector
1S 2A 18650 (NMC) Lithium Battery BMS Round Shape With Nickel Strip
[Lithium Battery Protection Board] JLGW BMS NMC 1S 2A ROUND Hardware Product Data Sheet The BMS NMC 1S 2A ROUND (JLGW) is a high-precision, compact Battery Management System specially designed for single-cell NMC (Li-ion 3.7V) battery protection. This module is uniquely built in a round PCB layout, allowing it to seamlessly integrate into compact cylindrical battery designs or battery packs with limited space. Technical Specifications Parameter Specification Configuration 1S (Single 3.7V Li-ion Cell) Battery Chemistry NMC / Li-ion Nominal Voltage 3.7V Continuous Current 2A Overcharge Protection 4.25V ± 0.05V Over-discharge Protection 2.75V ± 0.05V Short Circuit Protection Yes (Instant cut-off) Overcurrent Protection Yes (~3A threshold) Working Temperature Range -20°C to +60°C PCB Shape & Size Round mini-PCBA with dual nickel strips Mounting Style Spot-Weld Tabs Key Features Space-Saving Round Design: Engineered for cylindrical cells and compact builds. Intelligent Safety Circuitry: Built-in MOSFETs and ICs protect against all common faults. 2A Output: Suited for low-drain applications like wearables and IoT gadgets. Nickel Strips Included: Pre-attached nickel makes welding and integration seamless. Single Cell Protection: Manages charge-discharge cycles efficiently for 1S packs. Ideal Applications LED Flashlights Cylindrical Battery Packs DIY Battery Projects Bluetooth Audio Devices Small IoT Systems Mini Power Banks The PCM NMC 01S/2A ROUND is a Battery Protection Circuit Module (PCM) designed for 1 series Nickel Manganese Cobalt (NMC) battery packs, supporting a 2A continuous discharge current. This module is suitable for low-power applications such as small energy storage systems, backup power solutions, and portable devices. The round designation indicates that the PCM is designed for round-cell configurations, which are commonly used in battery packs for various consumer electronics. It offers essential protection features, including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring the safe and reliable operation of the battery. The PCM helps maintain the health of the cells by balancing the voltage across them, optimizing performance and extending the battery's lifespan. Package Includes: 1 x 1S 2A 18650 (NMC) Lithium Battery BMS Round Shape With Nickel Strip
IC 7812 TO-220 12V Linear Voltage Regulator ST (L78M12CV/L7812CV/LM7812)
[Voltage Regulator IC] LM7812 12V Linear Voltage Regulator IC 7812 The L78M12CV is a three-terminal positive Voltage Regulator with several fixed output voltages, making it useful in a wide range of applications. This regulator can provide local on-card regulation, eliminating the distribution problems associated with single point regulation. Each type employs internal current limiting, thermal shutdown and safe area protection, resulting it essentially indestructible. If adequate heat sinking is provided, they can deliver over 0.5A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltage and currents. Features- Thermal Overload Protection Short-circuit Protection Output Transition SOA Protection 4% Output Voltage Tolerance Guaranteed in Extended Temperature Range Applications: Power Management
IC 7805 TO-220 Linear Voltage Regulator LM7805 Made ST
[Voltage Regulator IC] LM7805 5V Linear Voltage Regulator IC 7805 The L78M05CV is a fixed output, three-terminal precision positive voltage regulator in 3 pins TO-220 package. This regulator can provide local on-card regulation by eliminating distribution problems associated with single-point regulation. The L78M05CV fixed voltage regulator is designed with thermal overload protection that shuts down the circuit when subjected to an excessive power overload condition, internal short circuit protection that limits maximum current the circuit will pass and output transistor safe area compensation that reduces the output short circuit as the voltage across the pass transistor is increased. If adequate heat sinking is provided then this positive voltage regulator can deliver over 0.5A output current. Features: Fixed output voltage is 5V Output current is 0.5A Dropout voltage is 2V Maximum DC input voltage is 35V Output transition SOA protection Output voltage tolerance is 4% Operating temperature range 0°C to 125°C Applications: Power Management. Note: Image may vary from actual product in terms of Manufacturer/Brand name according to availability.
4S 20A 18650 Lithium Battery Protection Board
[Lithium Battery Protection Board] The HXYP-4S-BM20 4S 20A Lithium Battery Protection Board (BMS) is a compact and reliable battery management system designed specifically for 3.7V lithium-ion 18650 rechargeable cells. This board provides complete protection and safe operation for building 4-cell (4S) battery packs with a nominal output voltage of up to 14.8V and a full charge voltage of 16.8V. Featuring a square, lightweight, and portable design, this protection board is easy to integrate into custom battery packs and compact enclosures. It allows you to connect four 18650 lithium cells simultaneously and ensures balanced and safe charging and discharging. The board includes multiple built-in safety protections such as over-charge protection, over-discharge protection, over-current protection, and short-circuit protection, helping to extend battery life and prevent damage or hazardous conditions. This module is ideal for use in DIY battery packs, power tools, solar storage systems, electric scooters, backup power supplies, robotics, and other lithium battery applications. ⭐ Key Features ✔ Designed for 4S (4-cell) 18650 lithium-ion battery packs ✔ Supports continuous current up to 15A ✔ Built-in protection for over-charge, over-discharge, over-current & short circuit ✔ Compact square PCB design – easy to install ✔ Low power consumption with ultra-low quiescent current ✔ Increases battery safety, reliability, and lifespan 🔧 Technical Specifications Model: HXYP-4S-BM20 Battery Type: 3.7V Li-ion (18650 rechargeable cells) Configuration: 4S (4 cells in series) Charging Voltage: 16.8V Maximum Continuous Current: 15A Maximum Peak Current: 20A Over-Charge Voltage: 4.25 ± 0.05V per cell Over-Discharge Voltage: 2.5 ± 0.05V per cell Quiescent Current: < 30 µA Board Size: 3.6 × 3.6 cm Country of Origin: China 🎯 Applications DIY lithium battery packs Power tools & backup batteries Solar energy storage systems Electric scooters & e-bikes Robotics & embedded systems UPS & portable power stations 🔹 Battery Connection Terminals on Board Usually marked as: B- → Battery Pack Negative (Cell 1 –) B1 → Connection between Cell 1 & Cell 2 B2 → Connection between Cell 2 & Cell 3 B3 → Connection between Cell 3 & Cell 4 B+ → Battery Pack Positive (Cell 4 +) 🔹 Output / Charge Terminals P- → Load / Charger Negative P+ → Load / Charger Positive (same as B+) 🔧 Step-by-Step Wiring Connect 4 cells in series: Cell order:Cell1 → Cell2 → Cell3 → Cell4 Then wire as: Cell1 negative → B- Cell1 positive / Cell2 negative → B1 Cell2 positive / Cell3 negative → B2 Cell3 positive / Cell4 negative → B3 Cell4 positive → B+ For charging & discharging: Charger / Load positive → P+ (or B+) Charger / Load negative → P- ⚠️ Safety Tips Always connect balance wires before main power wires Use proper insulated wires and nickel strips Do not short any terminals Use a 16.8V Li-ion charger for 4S packs Ensure BMS current rating matches your load 📦 Package Includes 1 × -4S-BM20 4S 20A Lithium Battery Protection Board (BMS) * Product Images are shown for illustrative purposes only and may differ from actual product.