PARALLEL STACKING FEATURE* This NEW feature allows two chargers to work together to combine the output current achieving up to 120A for large battery banks. In addition to meeting global safety and regulatory standards TRUECHARGE2 Battery Chargers feature low electrical interference and superior efficient power factor corrected multistage charging. TRUECHARGE2 Battery Chargers can be mounted virtually anywhere given their unique drip-proof design. With certified ignition protection even a gasoline engine room is an alternative for installation. Trouble-free installation is ensured with easy-to-access AC and DC wiring compartments and reverse-polarity battery protection.