The most recent AM-700995 is especially developed to replace the Sanwa M17 initial battery power which gives over dual ease of initial. Utilizing this brand new battery power there's no anxiety of lower in power of transimitter. Ability: 3.7V 6000mAh Connector: JR Style with thick 20AWG Silicone Wire / 60mm Size: 78mm(L) x 47mm(W) x 12mm(T)