GEN Mini 1 Onboard Battery Charger - 1 BankWicked Tough, Wicked Smart!The GEN Mini 1 On-Board Battery Charger is a rugged and compact waterproof charger for 12V lead acid batteries. It can be mounted onto virtually any vehicle, such as a boat, car, tractor, or RV. Safe to leave connected indefinitely; the GEN Mini interactively diagnoses, recovers, and charges Wet, Gel, MF and AGM batteries chemistries from 20-120Ah and maintains all battery sizes. 5 year limited warranty included.Waterproof Fully-Sealed100% completely sealed. Protects our units from the most extreme environments and rated at IP68. Rapid Charging TechnologyCharges batteries 2X faster than traditional linear battery chargers. High Frequency, High EfficiencyHigh-frequency, high-efficiency for a lightweight, compact charger. Designed for SafetyReverse polarity, short circuit, open circuit, spark proof, overheat, overcurrent & overcharge. Features:Full interactiveRapid charging technologyMultiple Battery ChemistryDesigned for safetyVariable input compensatedAbnormality protectionHF/HE switch mode designRecovery modeWaterproofWARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.