This Gens Ace 5500mAh 11.1V 60C 3S1P Lipo battery pack comes pre-equipped with the industry standard EC5 connector, no soldering required! With a maximum discharge rate of 120C, this 3S 5500mAh Lipo pack is ready to give you all the power you need, whatever your application. Gens Ace batteries deliver full capacity & discharge as well as being the best value batteries in the hobby market today! Trust Gens Ace for long LiFe and consistent durability run after run. This size is a great fit in Arrma RC cars!