Smartphone external batteries come in a variety of styles, but the Power Annex might be one of the better designs out there. Instead of taking the form of a bulky case or a separate device all together, it boasts a slim shape that easily sticks to the back of the phone when being used. The size of an Apple remote, the Power Annex is a great device to have on hand for everyday situations.
Designed by KERO Products, a design duo based in Chicago, Illinois, smartphone external batteries has been given a great makeover. Providing up to a 75% charge. It is currently seeking crowdfunding on Kickstarter. It hopes to reach a goal of $40,000.
Adhesive Smartphone External Batteries
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Magnetic Smartphone Power Banks
Powerful Gadget-Charging Flashlights
Ingenious Phone Batteries
Hyper-Fast Phone Chargers
Conveniently Concealed Battery Packs