Just Mobile has released the Gum++ ($90), a new stylish high-capacity backup battery for smartphones, tablets, and other USB-powered devices. The Gum++ incorporates a 6000mAh battery encased in a glossy, durable hard ABS shell, and provides enough capacity to recharge an iPhone up to 3 times or add additional charge to an iPad, including the ability to provide up to 2.5A of current for full-speed iPad charging. The Gum++ is available in a range of…
