48v LiPoFe4 battery 120ah 6kwh

First full battery built for Don’s BadBoy 48v.

4pcs 2p4s.

Test charging from bottom balanced 2.7v with no bms/balancer.

Random connected cells tested from 71 to 74ah.

10a to start, then switch to 20a.

Notice the banding! Don came over with an $850 tool and 3/8 galv steel.

One on left is first test with plain steel.