The perfect solution for powering select Ocean Matrix mini converters in the field as well as any other products with a 2.1mm power jack. Provides 2 Amp Hours of 5VOLT DC power with a NiMh rechargeable AA battery system. If your NiMh batteries run down, you can insert regular Alkaline AA batteries and finish the job. AC adapter and auto cigarette charger cable are provided. Fitted with a 2.1mm jack, but there are several adapters available for GPS, Cell Phones, as well as AJA Video equipment modules. USB adapter cable for USB output at 5V. The battery pack can deliver 5VDC @ up to 2.5 Amps, which is 12.5 Watts max power output. The CTX-5VPTR will have no problem powering devices requiring 1 Watt.