The Exposure Support Cell 3.4A is designed to extend the burn time on your Exposure lights through Smart Port Technology. Ideal if you’re competing in an endurance race or are just greedy for power.Each Support Cell comes with a Support Cell Connector which allows you to charge the battery from your Smart Charger. The parts needed for mounting are also included.Exposure Support Cell 3.4A SpecificationsCable Length: 30cmWeight: 75gCompatability: Equinox, Diablo, Axis, Joystick, Sirius, HT1000