The latest AM-700995 is especially built to change the Sanwa M17 initial battery power which provides over dual capability of initial. Making use of this new battery power there's no anxiety of lower in energy of the transimitter. Ability: 3.7V 6000mAh Connector: JR Style with dense 20AWG Silicone Wire / 60mm Size: 78mm(L) x 47mm(W) x 12mm(T)