12V 24V 5A 2 5A Designed for harsh environments the 5 Amp ultra tough Battery Tender® battery charger & maintainer is weather resistant and built to endure elements. Perfect for industrial heavy duty machinery that puts your gear to the test. This charger is versatile and designed to allow you to choose between AGM, Flooded, GEL, or Lithium (LifePO4) batteries. Switch easily between 12V @5 Amps or 24V @2.5 Amps. Integrated mounting capabilities give you the option to install easily on to your heavy duty vehicles and equipment.