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
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
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