VP Racing - 7.4v 1000mAh 20C LiPo Battery is an ultra thing, but long LiPo crane stock battery. The battery is dseigned to fit into as little space as possible, taking up very little room allowing it to be fit into stocks and small battery compartments. The battery comes in a crane stock style, allowing each of the cells to be placed at different angles, the connector is a standard small Tamiya connector. The battery itself is rated at 1000mAh, giving it approximately, 2/3 of a day life span on single, or 1/2 a day on full auto. Perfect for those who have very little battery space, but still want all the power they can get. The batteries can also be used in remote control Cars, Boats, Planes and other Toys, as well as in DIY Electronics projects