swap 2 and 5............ so they become 3 and 4
double check all battery connections and wires
heat gun of feel connections to check if any are getting hot
Investigate whether a bus bar would be better (if you don't already have bus bar connection between batteries)
double check all battery connections and wires
heat gun of feel connections to check if any are getting hot
Investigate whether a bus bar would be better (if you don't already have bus bar connection between batteries)