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