3S 4S 5S 10A 21V Lithium ion Battery Pack BMS
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3S 4S 5S 10A 21V Lithium ion Battery Pack BMS

LWS® has 10+ Years of experience in 7S 8S 15A Lithium ion Battery Protection Board For Battery Pack BMS. Authenticated by ISO9001, help us to provide more professional services. Highly responsibility engineering team can do the precision analysis and determination. Our 3S 4S 5S 10A 21V Lithium ion Battery Pack BMS can realize NO MOQ because of our flexible inventory policy.

Model:LWS-5S10A-208

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Product Description


Product Introduction

LWS® battery protection board 3S 4S 5S 10A 21V Lithium ion Battery Pack BMS to prevent the battery packs from overcharge, over discharge, over current, over temperature ,short circuit ; The following is the introduction of 3S 4S 5S 10A 21V Lithium ion Battery Pack BMS, hoping to help you better understand. Welcome new and old customers to continue to cooperate with us to create a better future!

Product Parameter (Specification)

Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD
PCM Specifications  For 18.5V(5S)Li-ion Battery Packs
Item parameter
5S
Single voltage acquisition parameters
Number of strings collected
±10mV 25℃
Single voltage acquisition error 3680mV
Single battery overcharge
protection value
Single battery over voltage protection value
2S

Single battery under voltage protection delay value
3660mV

Single battery under voltage protection recovery value
2200mV
Single battery under voltage protection Single battery over voltage protection recovery value
2S

Single battery under voltage protection delay value
2500mV

Single battery under voltage protection recovery value
Intelligent passive Balance
Balance functions System balance working principle 3200mV
Single voltage balance  start threshold
35mA
Balance current
30mV Cell voltage
Single voltage differential balance start threshold 15mV
Single voltage differential balance off threshold 2
Temperature sampling and protection functions Temperature detection points ±3℃
Temperature acquisition error 70℃
Battery discharge high temperature protection value
5S
Battery discharge temperature protection value delay value
55℃
Battery discharge high temperature protection recovery value -20℃
Battery discharge low temperature protection value 5S
Battery discharge low temperature protection value delay value -0℃
Battery discharge low temperature protection recovery value 60℃
Battery charge high temperature protection value 5S
Battery charge high temperature protection value delay value 50℃
Battery charge high temperature protection recovery value -1℃
Battery charge low temperature protection value 5S
Battery charge low temperature protection value delay value 5℃
Battery charge low temperature protection recovery value ±5% 25℃
Battery pack charge and discharge current sampling and protection functions

Current sampling accuracy ≤0.55mΩ
Sampling resistance value 12A Level one over current protection
Battery charge over current protection value 1 2S
Battery charge over current protection delay value 1 20S
Battery charge over current protection recovery delay value 1 40A Level one over current protection
Battery discharge over current protection value 1 2S
Battery discharge over current protection delay value 1 20S
Battery discharge over current protection recovery delay value 1

Battery charge over current protection value 2

Battery charge over current protection delay value 2

Battery charge over current protection recovery delay value 2 65A second level over current protection
Battery discharge over current protection value 2 320mS
Battery discharge over current protection delay value 2 5S
Battery discharge over current protection recovery delay value 2 130A According to the actual settings
Battery short circuit protection value 1 100-500uS According to the actual settings
Battery short circuit protection delay value 1 after disconnecting circuit 5S
Battery pack short circuit protection recovery delay value 1

Battery short circuit protection value 2

Battery short circuit protection delay value 2

Battery short circuit protection recovery delay value 2

Battery pack anti-charge protection

Battery total voltage acquisition and protection functions Battery pack total voltage acquisition accuracy ±0.5%
Battery pack load voltage acquisition accuracy ±0.5%
Battery pack over voltage protection 18400mV
Battery pack over voltage protection delay value 30S
Battery pack over voltage protection recovery value 18000mV
Battery pack under voltage protection 11000mV
Battery pack under voltage protection delay value 5S
Battery pack under voltage protection recovery value 12500mV
Battery SOC
SOC theory estimation accuracy ±10%
SOC is too low alarm value 10%
Power supply parameters System power operating range 10-18.5V
Maximum charge voltage 18.5V
Running state power consumption <15mA
Sleep static power consumption 350UA
Communication ,RS232 Support
0V precharge function 0V precharge function not support
Single set of working conditions maximum continuous discharge current 10A
maximum continuous Charge current 10A
Recommended for battery capacity According to the software design

20Ah

Appearance 1) No component damage  2) All solder are good
3) PCM doesn't warp  4) Meet the shipping appearance standar

Product Feature and Application

LWS® battery protection board 3S 4S 5S 10A 21V Lithium ion Battery Pack BMS
 is used for (5S lion) high-capacity battery pack.


Product Details

3S 4S 5S 10A 21V Lithium ion Battery Pack BMS
■ Support 5S LIION Battery Pack
■ Separate monitoring of each string of cells
■ 3 groups of temperature monitoring
■ Over voltage protection (single cell, battery pack), under voltage protection (single cell, battery pack)
■ Over current protection (charge, discharge), level short circuit protection, anti-charge protection
■ Temperature protection (high temperature, low temperature)


Notes

1) Wire connection strictly according to the drawing, do not intentionally short circuit.1) Wire connection strictly according to the drawing, do not intentionally short circuit.

2) Before charged, need to connect the cables first

3) When ten groups of batteries are connected in series, ensure that the voltage of each group of batteries voltage is the same. If not, fill each group of batteries separately before connecting them in series. In discharge tests, the group of cells with the fastest voltage drop is the differential cell.


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