Four Charging Banks - Each bank is fully automatic and microprocessor controlled charge 4 different batteries at the same time Dual-Bank Charging - For large batteries, connect two banks to the same battery to double the charging output current to 4 to 24 amps Fully Automatic - Charger automatically selects from 2 to 12 amps output per bank to minimize charge times while ensuring not to overload the total input current Start/Stop Interface - Push button to begin or end the charging process Recovery Setting - Use to automatically recover and charge severely discharged 12 V batteries Detachable Cables - Four detachable 6 foot cables with 75 amp, color-coded clamps Digital Display - Separate digital display for each bank Multiple Battery Type Settings - Separate standard, AGM and lithium settings to assure a complete charge Multi-stage charging - For added precision, safety and battery life Safe-start, reverse polarity and short circuit protection - The charger will not apply current to the battery clamps until they are properly connected Overcharge protection - The charger will not over charge the battery Thermal Runaway Protection Fan-Cooled - For dependability and peak performance Rugged Construction - Heavy duty steel case for durability