Automatic multi charger 12v with this charger you can charge all your 12v 12 120ah sealed lead acid batteries which are usually found in cars motorbikes and other vehicles 100 fully automatic charger and battery maintainer 3 different switch modes can be selected mode 1 144v 08a for batteries under 14ah mode 2 144v 38a for batteries from 14ah upwards at normal conditions mode 3 147v 38a for batteries which require a charge of 147v andor charging below 0c the