Originally Posted by
TOURNAMENT_FISHERMAN
I have a 24v system. The only thing about charging batteries with on onboard charger, monitor your water levels in the battery. If a cell goes dry the battery will be ruined if you charge it without water.
also on charging your batteries, I always let mine get as low as I can before I charge them because if you charge them after you have only used the battery for a short period of time, the batteries will eventually develop a "memory" and they will eventually get to where they won't hold a full charge.