Dual battery charger for the SJCAM SJ8 Pro action camera. With this charger, you can charge the batteries without having to insert them into the camera. Perfect for owners of multiple batteries. The microprocessor in the device controls the charging process, ensuring it is fast and safe for the batteries. Simply connect the charger to a USB port on a computer, power adapter, or car charger using a Micro-USB or Mini-USB cable. One or two batteries can be charged at a time. 2 inputs: Micro-USB and Mini-USB. 2 diodes to indicate the charging status. Input voltage: 5 V/2 A, output voltage 4.35 V/0.8 A (x2). 2-wire inputs.