3.7v Cell 13s 48v 40a Lithium Battery Bms With On/off Switch And Balance Function Continuous Current 40a Maximum Current 120a - Battery Storage Boxes - AliExpress
Source BMS 13S 48V 15A 25A 35A Li ion Battery PCM/PCB Protection Circuit Board with Balacnce temperature sensor ,ON/0ff switch on m.alibaba.com
48V 13S 40A BMS with mini size for Dorado battery - GreenBikeKit BBS, ebike batteries, Bafang M620, Bafang M600, Bafang M500, Bafang M510, KT controller with display-GreenBikeKit.com
48V 13S 25A Universal Ebike battery BMS with small size for Hailong/tigershark/new-polly case-Greenbikekit BBS, ebike batteries, Bafang M620, Bafang M600, Bafang M500, Bafang M510, KT controller with display-GreenBikeKit.com
Smart Battery BMS 13S 48V Lithium ion Battery Protection Board
DALYBT 13S Li-ion 40A Smart BMS
Amazon.com: 13S 6P 48V Electric Bike Lithium Battery Case with 20A Balance BMS Including Holder Nickel For E-Soccter Battery 48V Use DIY Battery Storage Box in Series Plastic Batteries Case for 18650