7s-21s 300a Lithium Ion / Lifepo4 Smart BMS + Bluetooth RED When voltage and amps are

When voltage and amps are within range the BMS will allow current to flow between B- and C-

Red flash: Low voltage

2v per cell)

5C with proper stack pressure)

7s-21s 300a Lithium Ion / Lifepo4 Smart BMS + Bluetooth RED When voltage and amps areThese BMS units are brand new and work for all variations from 7s to 21s and everything in between. This BMS is rated for 300a continuous. These come with the bluetooth already installed. Included is 4x 4AWG wires with ring terminals already crimped. This makes installation even easier for you. There is also a 400a fuse that must be installed in line on the positive size of the battery as shown in the wiring diagrams. We include a 400a fuse so you can