BFL13 wrote:
Two 100AH 12v batteries. As a 24v get 100AH As a 12v get 200AH
Acceptance rate for charging the 200AH/12v is say 40a, what is it for the 100AH/24v?
In this case, 20A. Double the volts, half the amps from 12V to 24V. Still takes the same amount of time to charge. Like KJ said, everything is the same. Yes, solar controllers have different limits depending on panel and battery configuration. BTW, learned this from reading inverter manuals. Couldn't figure out why 48V inverters had 4x less charging amps than 12V.
EDIT: This doesn't prevent manufacturers from making larger amp chargers for higher than 12V batteries. For example, Victron's 5kW 48V inverter/charger has a 70A charger but their 5kW 12V inverter/charger has a 200A charger.
