Charges up to 36 batteries in parallel, in less than 24 hours. Can be wall-mounted or on a stationary bench, 16 charge rates for precise charging. Each battery accepts charge required, depending on size, state of charge and temperature. Engineered so that an initial high charge rate tampers down to a safe finishing level. A safety-conscious isolated transformer and a heavy-duty diode rectifier with deep reserve capacity are standard features on this model. Use up to four model 6075 bus bar that includes 10 pairs of charging leads.