Defender offers great deals on a large array of Marine Battery Chargers, Pure Sine and Modified Sine Wave Power Inverters and Accessories, including Combiners, Isolators, Transformers and Boosters from top brands like ProMariner, Xantrex, Charles, Go Power, Sterling Power, and Marinco / Guest. For on the water emergency situations, we also stock Power Packs and Battery Jump Starters, to help get you out of a jam!
