More power. You get it by adding multiple batteries. Today’s vehicle manufacturers design the electrical systems to manage factory-option electrical components up to the maximum of the vehicle’s factory charging system.

Just add-up your aftermarket electrical accessories - or the accessories you want to install - including fog or driving lights, high intensity lighting, winches, stereo systems, cell phone chargers, lap top computers, inverters, refrigerators, microwave ovens and blenders. You'll be able to see what your system needs. And your power gap