3.7v 100mah 751517 li ion Rechargeable Battery for Cheerson CX-10 CX10 CX12 JJ820 V646 V676 JJ810 RC Helicopter RC Quadcopter High quality and durable, less worry about battery's going dead within a short time. Provides excellent continuous power sources to your device, features high energy density and extra long lifespan. Built-in smart protective PCB charging module, effectively prevents over charging, over discharging, over current, short circuit. Widely used for MP5, GPS, remote controller, mobile phone, iPod, tablet PC, Bluetooth speaker, headphone, camera, radio, portable DVD, MID, PDA, POS machine, solar lamp, interphone, for PSP, electric toys and other devices with the same battery size and capacity. 1. Please allow slight color deviation between the paper cards and the pictures s