The Charge on the Run series battery charger has proven to be an important advantage to serious fisherman everywhere. The unit utilized boat engine charging current to charge trolling motor batteries while the engine is running. There are no connections to the ignition system or engine, just connect to starting or trolling motor batteries. Up to 30% more battery time on the water, which is great for windy days when your battery needs to be at its strongest and even decreases overnight charge time. The charger is easy to install, lightweight, waterproof, and ignition protected.