BatteryMINDer Model 1510: 12Volt 1.5 Amp Maintenance Charger/Desulfator

Applied ambient temperature sensor from 0°f-130°F Operating range ensures the battery will never be overcharged in or undercharged regardless of temperature extremes. Holds up to 4 batteries at a time (6 batteries or 12V connected in parallel) requires the use of Y-Connectors 210 AY (sold separately) or the supplied 18 gauge insulated wire. Extends battery life up to four times compared to new batteries are not properly charged-maintained. Recovers automatic low batteries, high frequency (steps) type high voltage full-time desulfation, reverse polarity, short circuit and overheating protection. Worldwide 100-240VAC 50/60Hz