The newest AM-700995 is very developed to displace the Sanwa M17 initial battery power gives over double simple initial. Using this brand new battery there isn't any anxiety of reduced energy of transimitter. Ability: 3.7V 6000mAh Connector: JR Style with dense 20AWG Silicone Wire / 60mm Size: 78mm(L) x 47mm(W) x 12mm(T)