This 3.7V 500mAh LiPo battery is a genuine UDI RC replacement battery for your drone. It will give extra flight time and increase performance due to its higher current output and power. Direct replacement battery for UDI U818A, U818A-1, U818A HD, U818A HD+ , no modification is needed.
Price : $24.99
Brand : USA Toyz
5 Genuine UDI RC 3.7V 500mAh Rechargeable Li-Po Batteries for UDI U818A, U818A-1, U818A HD, U818A HD+ 2.4GHz 4 RC Quadcopter Drone
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