backup battery

Just Mobile Gum++ Backup Battery [REVIEW]

Introduced by Just Mobile earlier this year, Gum++™ backup battery is the company's latest offering in its ever growing lineup of quality battery packs, that allow optimized recharging of USB-powered devices on the go. We have previously reviewed the Gum™, Gum Max™ and Gum Max Duo™ battery packs and today, we'll go hands on with the medium-sized...