EDARENUS Home Travel Cradle Desktop specialized delicate Charger + 900mAh Batteryof SJ4000 Camera Model: SJ4000 Charger 3.7V Li-ion Battery 900MAh 3.3Wh Input: AC100-240V 50/60Hz Output: DC5.0V---1A Compatible: SJ4000 4000 Action Camcorder Camera DVR