12V 24V Heavy-Duty Car Battery Charger 15A Trickle Maintainer with RepairThis heavy-duty battery charger maintains and repairs 12V and 24V lead-acid batteries for vehicles, boats, and equipment. The smart dual-mode system automatically switches between fast charging and float maintenance once the battery reaches full capacity. Thicker pure-copper windings (1.56mm) provide superior durability and 30% more conductivity than standard chargers. The pulse repair function helps recover sulfated or deeply drained batteries, while winter mode ensures reliable charging in cold weather.Itemweight14.35 poundsProductdimensions8.3 x 5.1 x 9.8