Something wrong with your maths or measurement.
Cell pack is 56.6v
13 x 4.04v + 1 x 0v = 52.52V
14 x4.04v =56.56v, so all good. Maybe check your switch, or just unplug the multi-pin connector and plug it back in again. You did remember to switch it on, right?
Cell pack is 56.6v
13 x 4.04v + 1 x 0v = 52.52V
14 x4.04v =56.56v, so all good. Maybe check your switch, or just unplug the multi-pin connector and plug it back in again. You did remember to switch it on, right?