Light on when charging......Light off when charge complete
100% brand new and high quality
100% brand new and high quality Package include : 3PCS 3.7v 450mah battery + 1to3 Charger For Udi U818A WIFI FPV U845 U919 U919A U945A RC drone Rechargeable up to hundreds of times Light on when charging......Light off when charge complete Easy install,great backup Highly Recommended Spare Parts