?Exact Replacement Batteries?suitable for hubsan x4 h107c h107d JJRC H43WH h37 h31 drone
?Quick Recharged,Long Cycle Life?1 in 5 battery charger,charging 5 batteries at the same time,about 150 times minimum
?Battery Size&Weight?42*20*8mm/1.65*0.78*0.31inch,the drone battery weight is about 12g
?Specification?3.7V 500mAh Lipo battery,guarantee more power,high drain lithium-polymer rechargeable battery
?Safe Charging?the charger is with Over charge protection, Short circuit protection.while the voltage of battery is close to 4.2v ,the charger will stop .it will protect batteries from the damage.