13S 48V 15A 20A 25A 30A Lithium 18650 BMS / PCM / PCB Batterieschutzplatine Mit EIN / AUS Schalter Von Jnt_ebikebattery, 73,13 € | De.Dhgate.Com
Amazon.com: DALY Smart BMS Li-ion 13S 48V 30A with Programmable Bluetooth Module and Common Port : Electronics
10S 36V 13S 48V 14S 58.8V Lithium Ion Battery PCB board with 20 to 30A constant discharge current for electric bike battery – LLT POWER ELECTRONIC | Electric bike battery, Lithium ion