Waterproof protection for the ChargePro Battery Charger is due to its completely sealed, thermal epoxy design. Features 3-stage charging for fast, full charging and maintenance. Battery charger can be left on without causing harmful effects to battery and may be used for storage/maintenance. Ignition and reverse polarity protected. For flooded, AGM, or gel cell batteries. 3 banks with 10/10/10 amps per bank. Includes 6' cable. 2-3/5"D x 13"W x 7"H.