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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
20S 2Amps Active Balancer Equalizer for Lithium Battery Pack
[Lithium Battery Protection Board] The NEEY 20S 2A Active Balancer Equalizer is an intelligent battery balancing module designed for 20 series Lithium battery packs. It uses active energy transfer technology to redistribute energy from higher-voltage cells to lower-voltage cells, ensuring the entire battery pack remains balanced during operation. Unlike passive balancers that dissipate excess energy as heat, this active balancing system transfers energy between cells, improving battery efficiency, performance, and lifespan. With up to 2A balancing current, the module quickly corrects voltage differences between cells, preventing issues such as cell overcharge, deep discharge, and imbalance. This makes it ideal for solar energy storage systems, electric vehicles, DIY battery packs, power walls, and industrial energy storage solutions. The NEEY active balancer provides reliable and efficient balancing to maintain stable battery pack performance in demanding applications. 🔹 Key Features Supports upto 20S Lithium battery packs Active energy transfer balancing technology Maximum 2A balancing current Improves battery efficiency and lifespan Reduces cell voltage imbalance Low heat generation compared to passive balancing Stable operation across wide temperature range Easy installation with long balance wires 🔹 Technical Specifications Parameter Specification Brand / Model NEEY 20S2A Battery Type Lithium Battery Strings 20S Balancing Method Active Balancing Maximum Balance Current 2A Operating Voltage Range 2.8V – 3.65V per cell Adjacent Cell Difference ≥0.1V (0.5–0.7A balancing) Maximum Balance Current 2A when voltage difference ≥0.2V Working Temperature -20°C to 60°C 🔹 Product Dimensions Size: 95 × 92 × 8 mm Weight: 135 g Balance Wire Length: 60 cm 🔹 Applications Solar energy storage systems LiFePO4 battery packs Electric vehicles (EV) E-bikes and electric scooters Energy storage systems (ESS) DIY lithium battery packs Industrial power systems 🔹 Package Includes 1 × NEEY 20S 2A Active Balancer Unit 1 × Balance Wire Harness (60 cm)
Out of stock19S 2Amps Active Balancer Equalizer for LifePO4 Lithium Phosphate Battery
[Lithium Battery Protection Board] An active balancer or equilizer, balance you cells all the time during discharge and charge and maintain same voltage level along with the whole battery, Provides a lot better back up and mileage than a normal battery pack. Connect the balancer along with the bms Module. Balancer does not do work of BMS, make sure BMS and balancer both are different. Balancer make battery balance and give more back up and mileage, and helps your battery to maintain the long life. You can use this balancer to Any ah battery like 12ah, 18ah or 50ah 100ah etc. Balancer Specification – Suitable – 19S LifePO4 48volt Operating voltage range: 2.8v to 3.65volt Balance current: 2Amps Max Adjacent voltage difference is 0.1V or more (current is about 0.5-0.7A); Adjacent voltage difference is above 0.2V (maximum balance current is 2A); The smaller the differential voltage, the smaller the balance current. other Info Product Dimensions – 92 x 85 x 8 mm Item Weight – 122grm Wire length – 60cm Package Include – 1. Balancer Unit 2. Balancer Wires
NEEY Active Balancer 24S 2A Lithium Battery Active Equalizer
[Lithium Battery Protection Board] NEEY Active Balancer 24S 2A – 24S Lithium Battery Active Equalizer The NEEY Active Balancer 24S 2A is an advanced battery active balancing module designed to improve cell voltage consistency and overall battery pack performance. It transfers energy between individual cells to help maintain a more balanced battery pack, reducing cell voltage differences and improving usable capacity, battery life, and overall system stability. With support for a wide 1.8V–4.5V cell voltage range, this active balancer is suitable for various lithium battery chemistries including LiFePO₄, Lithium-ion, and LTO battery packs. It is particularly suitable for high-capacity battery systems used in electric vehicles, e-rickshaws, e-bikes, solar energy storage, and other battery applications. The product specification identifies this model as a 24S Active Balancer with 2A balancing current, making it suitable for battery packs with up to 24 cells connected in series. ⭐ Key Features 24S Active Battery Balancer 2A balance current as specified for this model Active energy transfer between cells Supports cell voltage from 1.8V to 4.5V Compatible with LiFePO₄, Lithium-ion & LTO batteries High voltage measurement accuracy of approximately ±5mV Helps reduce cell voltage imbalance Improves battery pack performance and usable capacity Helps extend battery pack service life Low power consumption Suitable for high-capacity battery packs Ideal for EV, solar, and battery storage applications 📋 Technical Specifications Product Type: Active Battery Balancer Model: NEEY Active Balancer 24S 2A Item Code: 26001527 Category: Active Balancer Unit of Measure: PCS Series Support: Up to 24S Balance Current: 2A Cell Voltage Range: 1.8V–4.5V Voltage Accuracy: ±5mV Sleep Current: <0.1mA Working Current: Approx. 12mA Battery Chemistry: LiFePO₄, Lithium-ion, LTO Balancing Type: Active Energy Transfer 🔧 Applications LiFePO₄ Battery Packs Lithium-Ion Battery Packs LTO Battery Packs E-Rickshaw Batteries E-Bike Batteries Electric Vehicle Battery Packs Solar Inverter Battery Systems Energy Storage Systems High-Capacity Battery Packs 30Ah–300Ah Battery Applications DIY Battery Projects Battery Pack Maintenance & Optimization ⚡ Benefits of Active Balancing Active balancing transfers energy from higher-voltage cells to lower-voltage cells instead of simply dissipating excess energy as heat. This helps maintain better cell voltage balance and can improve the usable capacity and consistency of a multi-cell battery pack. 📦 Package Includes 1 × NEEY Active Balancer 24S 2A ⚠️ Important Note The supplied product information mentions 0–5.5A active balancing technology as a key feature, while the specific technical specification for this product lists the balance current as 2A. For this listing, the model-specific specification of 2A balance current should be used.
4s 2a Lifepo4 li-ion Active Lithium Battery Equalizer Balance Board BMS
[Lithium Battery Protection Board] The 4S 2A Active Balancer Equalizer is designed to keep lithium battery cells balanced during both charging and discharging. It continuously monitors the voltage of each cell in the battery pack. When a voltage difference appears, the module transfers energy from higher-voltage cells to lower-voltage cells. As a result, all cells remain balanced and the battery pack works more efficiently. Unlike passive balancing systems, this module does not waste energy as heat. Instead, it redistributes energy between cells. Therefore, the battery pack becomes more efficient and lasts longer. In addition, the balancer automatically starts working when the voltage difference between adjacent cells reaches 0.1V. The balancing process continues until the difference drops to about 0.03V. Because of this smart balancing system, the battery pack stays stable and reliable. This module is suitable for 4S lithium battery packs, including both LiFePO4 and Li-ion batteries. It is commonly used in solar energy storage systems, electric vehicles, and DIY battery projects. 🔹 Key Features Supports 4S LiFePO4 and Li-ion battery packs Active energy transfer balancing Maximum balancing current up to 2A Improves battery efficiency and lifespan Reduces voltage differences between cells Low heat generation compared to passive balancers Automatic balancing during charging and discharging 🔹 Technical Specifications Parameter Specification Battery Type LiFePO4 / Li-ion Battery Series 4S Balance Method Active balancing Maximum Balance Current 2A Operating Voltage Range 2.0V – 4.5V Balance Start Voltage Difference ≥ 0.1V Maximum Balance Current Condition ≥ 0.2V difference Balance Stop Difference ~0.03V Operating Temperature -20°C to 60°C 🔹 Applications This active balancer is suitable for many battery systems, such as: Solar battery packs DIY lithium battery packs Electric scooters and bikes Energy storage systems Backup power systems 🔹 Package Includes 1 × 4S 2A Active Balancer Module
Charging Ballance Plate (4 String 3.2V Lpf)
[Lithium Battery Protection Board] Features: 3.6V balance voltage, balance current is 58mA Purpose:Charge equalization Technical parameters:Balanced voltage and balanced current Note:The balance board is suitable for the lithium iron phosphate battery pack without balanced charge. The charge balance makes each battery pack fully charged at the same time. The equalizer has no charge and discharge protection function, and can not replace the protection board. When the battery is charging, it can discharge the fully charged battery through resistance to balance the shard. Product size: 26*20.5*2.4mm Solder joint description:B- Connect to the negative terminal of the battery pack B1 connects to the contact between battery 1 and battery 2 B2 Connects to the contact between battery 2 and battery 3 B3 connects to the contact between battery 3 and battery 4 B4 Connects to the positive terminal of the battery string
16s 2Amps Active Balancer Equalizer for NCM/LFP Battery
[Lithium Battery Protection Board] The 16S2A Active Balancer (NEEY) is a battery management solution designed for 16 series lithium-based battery packs. It supports 2A of current per cell for active balancing, which helps ensure that all cells in the battery pack are charged to the same voltage level. Active balancing optimizes battery performance by redistributing energy from higher-voltage cells to lower-voltage cells, thus improving the overall efficiency and lifespan of the battery pack. This balancer helps to prevent overcharging or deep discharging of individual cells, ensuring a safer and more reliable operation. The NEEY designation indicates the specific brand or model, offering efficient and effective cell balancing for applications such as energy storage systems, electric vehicles, and other lithium-based power solutions. Balancer Specification – Suitable – 16S 48volt 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. Balance 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 – 1. Balancer Unit 2. Balancer Wires
NE5532 2.1 Channel Tone Preamplifier Board Audio Equalizer Subwoofer Preamp Tone Control Bass Pre Amplifier DC10-24V
[Amplifier Board] Product Introduction The product innovation uses a single power supply, which can share power with the power amplifier board. It is very convenient to use NE5532 as the operational amplifier. The operational amplifier IC base is welded to facilitate the replacement of the operational amplifier, and improve the playability. All CBB capacitors are Philips capacitors, and Potentiometer are high-quality platform produced sealed Potentiometer. You can check our others amplifier boards here. Product parameters Product name: 2.1 channel front stage board Frequency adjustment range: 22Hz-300Hz Power supply voltage: DC10-24V Operational amplifier model: NE5532 Board size: 82x30mm Number of channels: single/dual channel input possible Board thickness: 1.6mm Audio input: onboard terminal Centre-to-centre distance of Potentiometer: 3cm * 3cm