CX-10 2pcs 3.7v 100mAh Batteries and 1 USB Charger Cable Spare Part for Cheerson CX-10 Rc Quadcopter Replacement batteries,perfectly compatible with Cheerson CX-10 Mini RC Quad copter. 3.7v 100mAh lithium battery,light wight and high quality. Durable and pratical battery, rechargeable with long life using. Additional USB charging cable,more convenient for you to quick charge multiple batteries. Package include: 2pcs CX-10 batteries with 1 original charging cable