Technology company Dark Energy has created Reservoir, a phone sized battery charger that gives you six full charges out of a single charge.
Dark Energy is targeted at the busy urbanite whose life depends on their smartphone. The Dark Energy Reservoir can be used to give power to your phone, tablet, camera, music device, or any other device that has a USB power source.
This nifty gadget definitely accommodates your mobile lifestyle and is one you should own if you have a busy, device-dependent lifestyle.
[via Wingman]