GAONENG GNB 2S 7.6V HV 550mah 100C XT30 LiPo Battery Lighting1 FPV Drone Helicopter Quadcopter

All five new GN3 2s 550mah were charged to 4.35 v, used them all once down to 3.5v. All but one would recharge, battery charger says that " no battery detected " output of failed battery 4.75v, !! All the other four batteries are good! A

The Lightning 1 is a joy to fly, when paired with the 550 mah battery 100c