Battery Tender® 12 Volt, 10 AMP/6 AMP/2 AMP Selectable Chemistry Battery Charger and Maintainer delivers the powers you need. It features a 6 AMP and 2 AMP power selection, and comes with a built-in 10 AMP Power Supply to ensure you have continuous power while the battery is disconnected, built-in wireless technology allows you to monitor your battery from your smartphone with the touch of a button, and stay up to date on your vehicle's power levels. Its vibration-resistant mechanism allows it to endure the most extreme work conditions. Select your battery and voltage type easily for your vehicle types such as trucks, SUVs, cars, motorcycles, and up to large motorhomes or industrial tractors. Equipped with a high-intensity LED work lights and a mounting hook so you can work efficiently. Comes with an industry-leading three-year warranty included for extra peace of mind.