4S 10A 18650 BMS Charger Li-ion Lithium Battery Protection Board comes with over-charge, over-discharge, overcurrent and short circuit protection, for a variety of various shapes 3.7V lithium-Ion batteries. 4S-A01 is Small size, suitable for many requirements of high integration, low cost of the occasion, to meet a wide range of performance requirements to ensure that the battery pack is absolutely safe and reliable.
Connection Diagram to connect Lithium Battery to Protection Board is shown in image.
Features:
- This protection board is suitable for 4 series Li-ion cell.
- Adopt a precision integrated circuit for fast and safe charging.
- Support overcharge protection, over-discharge protection, and short circuit protection.
- This product has gone through load and ageing test for quality assurance.
Specifications:
- Model: 4S-A01
- Charging voltage: 16.8V-17V
- Overvoltage range: 2.3~3.0V±0.05V
- Upper working current: 8 to 10A
- Internal resistance: less than 100mΩ
- Effective life: more than 50,000 hours
- Length (mm): 72
- Height (mm): 17.8
- Weight (gm): 3
Applications:
- Small power inverter
- Massager battery pack
- LED lamp backup power
- Electronic products
- Solar street lamp battery pack
- Monitoring standby power supply.
Package Includes:
- 1 x 4S 10A 18650 Lithium Battery Protection Board

5V 8-Channel Optocoupler Relay Board Module
MP3-TF-16P MP3 SD Card Module with Serial Port
3D Printer CNC Lead Copper Nut for 8mm Screw
LM8UU 8mm Linear Motion Bearing
TTP229 4x4 Capacitive Touch Keypad Module 16 Channel
TDA8932 Digital Power Amplifier Board 35W Mono Low Power Consumption Module
4mm Gold Connector Male-Female Pairs
2 x 1.5V AA Battery Holder with DC 2.1 Power Jack for DIY Projects 








nihal otaal –
nice