iFlight Fullsend 1S HV 300mAh 40C Lipo Battery-PH2.0 (5pcs/pack)The FULLSEND 1S HV 4. 35V 300mAh 30C Lipo Battery comes in a very lightweight and very compact size. The long shape of this battery makes it works best on Alpha A65 Tiny Whoop drone. The Lipo will just fit into the iFlight Alpha A65 Tiny Whoop drone. Using this battery will give you a significant increase in flight time as well as a bit more power over the stock battery. Checkout all our 1S Batteries and the rest of our iFlight Collection! Features