This sleek USB power supply has a whopping 13,000 mah of USB power, which can be used by plugging your USB devices into either of the (2) supply ports (2.1Amp or 1.0Amp) The unit is very compact for this amount of capacity and measures; 5.5in x 2.5in x .75in and weighs 9.7 ounces. There is a function button that will display in percent the amount of charge remaining, or turn on the LED light. Battery is as shown, (Black and White case)
Using this Power Supply in conjunction with the ActionCamNX and its internal battery will allow the camera to record for over 20 hours, or many charges of you ActionCamNX camera or other USB powered device, i.e. phones, tablets, etc.
(1) 13000mah USB Battery/Power Supply
(1) USB Charge Cable
Note: Camera not included, only shown for size comparison