All batteries must be shipped with a ground shipping method.
Gaoneng GNB 850mAh 2S 7.4V Lipo Battery
Voltage: 2S / 7.4V
Discharge: 80C Constant, 160C Burst
Dimensions: 56mm(L) x 31mm(W) x 16mm(H)
Discharge Plug: XT30 Plug
I use this on some of my two inch micros. They perform as expected.