Hi, this is a 3S 40Amp BMS that I've used for my 12V power bank that utilizes car 12v chargers to charge my stuff. Basically a 3s9p configuration for for 18650 2500mah
UG LAND INDIA BMS 3S 12V 25A 18650 Lithium Battery Protection Board Electronic Components Electronic Hobby Kit Price in India - Buy UG LAND INDIA BMS 3S 12V 25A 18650 Lithium Battery
4S or 3S 12V Li ion or Lifepo4 Battery smart BMS with Bluetooth function UART and RS485 communication with 60A to 120A constant current – LLT POWER ELECTRONIC