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 4S 18650 14.8V 10A BMS Battery protection board
4S 18650 14.8V 10A BMS Battery protection board
MPN :
SKU : 4SBMS10A1-H71
Stock : Out of Stock
Price:PKR 350.00
4S 18650 Battery BMS 10A 14.8V 16.8V Charger Protection PCB Board

Lithium battery protection board. It is used to protect the battery and prevent it from being over-discharged or over-charged during use, resulting in battery damage.

Features:
Small size.
Simple wiring.
Targeted.
Custom installation.
Parameters:
No. Parameter Value
1 Model HX-4S-D20
2 Voltage range 4.25~4.35V±0.05V
3 Size 35x35x3.6mm
4 Overvoltage range 2.3~3.0V±0.05V
5 Upper working current 10A
6 Working temperature -40 to +50 Celsius
7 Maximum instantaneous current 20A
8 Storage condition -40 to +80 Celsius
9 Static current Less than 30uA
10 Effective life More than 50000 hours
11 Internal resistance Less than 100m ohm
12 Short circuit protection Yes, Charge recovery
13 Charging voltage 16.8V-17V
14 Controller S-8254AA
Use Manual:
Connect 4pcs lithium battery at B+, B3, B2, B1, B-
P+ and P- is output or input
Attention:
Please strictly follow the wiring diagram: 0V (B-), 3.7V (B1), 7.4V (B2), 11.1V (B3), 14.8V (B+), do not intentionally short-circuit!
After connecting the wire, it needs to be charged before it has output.
In series 4 batteries, please ensure that the voltage of each battery is the same. If it is different, please charge each battery separately and then use it in series. In the discharge test, the rapidly decreasing voltage of the battery is due to a poor battery. Don't mix good batteries with bad batteries! The more similar the battery capacity or internal resistance, the better! (The effect of 2 good batteries +2 poor batteries = The effect of 4 poor batteries).
Caution:
The Battery protection board cannot be used for a lithium iron phosphate battery, hernia lamp, hand electric drill battery pack, electric fish electromechanical battery group, electric bicycle battery pack, children's car battery, 775(4A) above motor, 1W fisheye LED light.
For the discharge products with 3A current and above, the discharge ratio of the battery should be above 3C.
Multiplier calculation formula:
1C multiplier battery, 2000mAh capacity is equal to 2AH*1=2A upper limit working current.
3C multiplier battery, 2000mAh capacity is equal to 2AH*3=6A upper limit working current.
In use, if the battery is hot, it means that the battery multiplier is not applicable. This situation cannot be used for a long time, and the battery will be damaged quickly.
Application:
Small power inverter
Massager battery pack
LED lamp backup power
Electronic products
Solar street lamp battery pack
Monitoring standby power supply
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