SKU: #5084Power & Components
2S 20A 7.4V / 8.4V 18650 Lithium Battery Protection Board with Balance
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₹75.00
₹65.00
(Inc. GST)Save 13%- •Feature: � 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.
- •This board provides complete protection and automatic cell balancing to ensure safe charging, stable discharging, and long battery life
- •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
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SKU: ET05084
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Description
The 2S 20A 7.4V / 8.4V 18650 Lithium Battery Protection Board with Balance is a high-grade, precision-tested electronic component designed for reliable performance in prototyping, education, industrial control, and custom hardware engineering.
🔹 Key Features
- •This board provides complete protection and automatic cell balancing to ensure safe charging, stable discharging, and long battery life
- •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
🔹 Technical Specifications
Feature:� 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.
🔹 Pin Configuration & Wiring
🔹 Applications
This component is engineered and suitable for:
- •Microcontroller interfacing (Arduino, ESP32, Raspberry Pi, STM32)
- •IoT telemetry, environmental monitoring, and smart home systems
- •Robotics navigation, obstacle detection, and motion sensing
- •STEM education, university electronics labs, and maker prototyping
🔹 Package Includes
- ✓1 × 2S 20A 7.4V / 8.4V 18650 Lithium Battery Protection Board with Balance
Wholesale Tiered Pricing
Selected Quantity:
Subtotal: ₹65.00 +18% GST
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