ON THE WAY&reg;12Pcs ICR 3.7V 14500 2000mah Rechargeable Lithium Battery with PCB Protected Board + 14500 Battery Charger 12Pack of Model-14500 Li-ion Rechargeable batteries, 3.7V, 2000mAh Can be charged over 500 times.Warm tips:Before purchase, please make sure the battery voltage corresponds with your device voltage Li-Ion Rechargeable 14500 with IC Protection LED indicator shows current charging status.Automatically stops when charging is complete Fit for camera, MP3/MP4 Player, electronic toys and other electronic devices