Zippy Compact, the latest addition to our Zippy battery series offers excellent performance and high quality in a 'Compact' size. These packs provide the same capacity and discharge rate as our Flightmax line, but give you alternative sizes for applications that require a specific shape.Great for models with limited battery compartment space!Zippy batteries deliver full capacity discharge as well as being the best value batteries in the hobby market today!Spec.Capacity: 850mAhVoltage: 2S1P /2 Cell / 7.4VDischarge: 25C Constant / 35C BurstWeight:51g (including wire, plug case)Dimensions: 54x18x30mmBalance Plug: JST-XHDischarge Plug: JST