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4S 14.8V 20A Lithium Battery Protection Board
Protective board for 3.7V lithium-ion batteries with over-charge, over-discharge, over-current, and short circuit protection.
- Model: HXYP-4S-BMD1
- Voltage range: 4.25~4.35V±0.05V
- Max working current: 10A
- Max Peak current: 20A
- Working Temperature: -40~+50°C
- Storage Temperature: -40~+80°C
- Resistance: 45m
- Small current: 6uA
- Life cycle: Around 50000 hours
- Length (mm): 36
- Width (mm): 36
- Weight (gm): 4
Top Features:
- Small size design for a four-cell battery pack
- Simple wiring and circuit
- Over-charge Protection
The HXYP-4S-BMD1 is a small size square-shaped board suitable for packing four 18650 cells, providing high integration and reliability for various performance requirements. This Battery Management System (BMS) ensures the safety and reliability of the battery pack by monitoring battery status and controlling the charge/discharge process.
The BMS controller offers protection against short circuit and over-discharge, automatically turning off the power supply when the maximum battery capacity is reached. With a maximum operating current of 20A and a quiescent current of up to 10A, this board ensures efficient battery management.
For soldering instructions, follow the guide below:
- B+: Connect to battery positive
- B1: Connect point between battery 1 and battery 2
- B2: Connect point between battery 2 and battery 3
- B3: Connect point between battery 3 and battery 4
- B-: Connect to battery negative end
- P+: Connection for charge/discharge positive
- P-: Connection for charge/discharge negative
* Images are for illustration only; actual product may vary.