These BMS was designed and made for UPS backup power system ,it offers over-charge , over-discharge ,over-current ,short circuit protection , Low temperature protection and has 6 roads of temperature detection ,with Isolated RS485 and RS232 communication ,which can tansfer date of each single cell such as  temperature , current , voltage ,electricity amount etc .BMS address can be set via DIP switch on the PCB board,there is only one host BMS and the remainning will be slave BMS，address with Host BMS will be 1 ,and other address will be from 1~15 with slave BMS .host BMS will communicate via communication port with computer .

4S to 7S Lithium or Lifepo4 Battery Application (30A to 60A Current Available) Size:110*55*8.5mm

$13.80 – $1,488.00Buy it now This product has multiple variants. The options may be chosen on the product page

3S~4S lithium ion or Lifepo4 Battery application 80A current will be available) Size:65*65*08mm

$15.20 – $448.00Buy it now This product has multiple variants. The options may be chosen on the product page

7S lithium ion solar power PCB Size:34*66*10mm

$11.80 – $548.00Buy it now This product has multiple variants. The options may be chosen on the product page

3S Lithium Ion Battery PCB Board with 80A Current

$11.90 – $13.20Buy it now This product has multiple variants. The options may be chosen on the product page

3S 12.6V Li ion Battery PCB board

$7.90 – $132.50Buy it now This product has multiple variants. The options may be chosen on the product page

3S Lithium Ion Battery PCB Board with 60A Current

$19.20 – $762.00Buy it now This product has multiple variants. The options may be chosen on the product page

4S lithium ion Battery application 6A current will be available) Size:35*35*3mm

$9.80 – $112.00Buy it now This product has multiple variants. The options may be chosen on the product page

4S Lifepo4 Or 3S Lithium Ion Battery PCB Board with 50A Current

$12.60Buy it now This product has multiple variants. The options may be chosen on the product page

6S lithium ion Battery application 15A current will be available) Size:50*32*5mm

4S lithium ion Battery application 6A current will be available) with UART communication Size:70*17*5mm

3S~4S lithium ion or Lifepo4 Battery application 50A current will be available) Size:95*50*07mm

3S~4S lithium ion or Lifepo4 Battery application 30A current will be available) Size:75*50*07mm

3S lithium Battery application 80A current will be available) Size:152*37*8mm

$59.40Buy it now This product has multiple variants. The options may be chosen on the product page