12 Volts 2 Amp VRLA Charger and Maintainer with Alligator Clips/12v 2000mah VRLA battery charger Accurate voltage detecting, ensure fully charging but avoid of over-charging. Perfect for charging all 12-volt lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell) Dual color LED shows the operating situation of the charging progress. Short circuit protection. Current becomes much less than the rated charging current when short circuit occurs. Dual color LED shows the operating situation of the charging progress.