12 Volt Battery Charger, 10A, Spring Loaded Door, 5215 Great for 12V batteries with 10 or more amp-hours Specifications: Output: 7.5 amps Wire lead length: 2′ Dimensions: Charger: 6″ long x 3-3/8″ wide x 2-1/4″ tall Shore plug center opening: 1-1/2″ diameter Shore plug mounting holes: 1/8″ diameter