Our best-selling BatteryMINDer just got even better! This BatteryMINDer Battery Charger/Trickle Charger/Desulfator System replaces the BatteryMINDer Plus 12117 and features a SmarTECHnology plug 'n run 1.5 Amp battery charger/maintainer with full-time automatic pulse desulfator that can help extend a battery's life up to 4 times its normal life. 14F to 104F (-10C to +40C) operating range. Ideal for charging, maintaining or recovering 12V flooded, sealed, maintenance-free, starter, deep-cycle, Optima brand sealed AGM, and marine batteries. Worldwide 100-240 VAC 50/60 Hz input. Energy Star compliant and California Energy Commission certified.