Product description
​4 Genuine UDI RC 3.7V 500mAh Rechargeable Li-Po Batteries for USA Toyz UDI U818A, U818A-1, U818A HD, U818A HD+ 2.4GHz 4 RC Quadcopter Drone. DO NOT attempt to use these batteries with any models other than the UDI U818A, U818A-1, U818A HD or U818A HD+ or models from other sellers as we cannot guarantee compatibility.
DO NOT attempt to recharge batteries that are fully drained, have come into contact with water or have become damaged upon collision as this can result in overheating.
Not compatible with 818A WIFI FPV Model