An Oxford-based startup has turned to crowd-funding to help develop Zap&Go, a phone charger with an emphasis on speed and portability. Thanks to a graphene super-capacitor and an ad-hoc power supply, the device will reportedly charge to its 1,500-mAh capacity – enough to fully charge an iPhone 5s – in only five minutes and promises to be a much more practical solution than current alternatives, particularly when traveling.
