High Quality 3.7V 900mAh Sj4000 battery Rechargeable Li-ion Spare Battery with charger For Sj4000 Sports Action Camera Accessories About The Battery Description: Name : battery for SJ4000Battery :Volt 3.7VCompatible: SJ4000Capacity : 900mAhWeight : 0.025Color : black Feature: 1.Slim and portable design、 easy to carry2.AC Desktop Wall Charger Input: DC 5V 500-1000mA3.Designed to quickly and safely charge digital camera and camcorder battery4.New generic Rechargeable Li-ion Battery5.Extra power for your digital video camera / camcorder6.High energy density、 high recycle life、 long life battery、 72 hours aging test7.High capacity / rechargeable Li-ion battery with supper power cell technology About The ChargerFeaturesModel: SJ4000 Battery Charger3.7V Li-ion Battery 900mah 3.33whInput: AC100-240V 50/60HZOutput: DC5.0V-1AWarning: Do not disassemble! Packing2 x SJ4000 Battery + 1 x Battery Charger