2pcs 3.7V 500mAh battery for Udi U818A U818 RC Helicopter spare part | Wish
Holy Stone 5 In 1 Fast Battery Charger(Max Current 2.5A Input) with 2 x UDI 818A 3.7v 500mAh batteries- Buy Online in Paraguay at Desertcart - 12564508.
Original Battery for UDI U818A PLUS U49W / U49C AA818 RC Drone Quadcopter Spare Parts 894325 7.4Wh 7.4V 1000mah LiPo Battery|Replacement Batteries| - AliExpress
Model Aircraft Battery 6pcs 3.7 600mAh for UDI U817 U818A for V959 V222 V929 for S032 Four-axis Aircraft Helicopter Battery Charger Upgrade Accessories – Toys Story | Shopping For Children