Just Mobile has added a new product to their line of backup batteries. The new Just Mobile Gum is small enough to carry in your pocket at 2.9 X 1.36 X 0.9 inches, but it packs 2200mAh charging capacity. It’s Apple-certified for iPhone and iPod and comes with a 30-pin charging cable, but it also comes with a USB-to-microUSB cable for charging other devices. It has a high-grade aluminum shell in silver, black, or red. It comes with a travel bag, and it’s available for $49.95 in the US, 49.95€ in Europe, £39.95 in the UK.