Powerful function: the battery fast charger can hold all 12V and 24V automotive, marine and deep cycle batteries such as AGM, GEL, SLA, used in cars, trucks, SUVs, motorcycles, lawnmowers, boats, etc. MULTIPLE PROTECTION: The intelligent battery charger has backward, over-current, over-voltage, and short circuit protection with fireproof material to ensure safe charging anytime and anywhere. Smart to use: the car battery charger provides automatic adjustment of temperature compensation in hot climate and undercharging in cold climate to maximise charging efficiency. Multipurpose: All-in-one battery solution as car battery charger, battery maintenance device, trickle charger and battery desulfator, bring you more convenience with higher efficiency. Easy to use: there are no complicated steps, just plug and charge, stay at home and charge your batteries yourself, more convenient and easier to use.