Gallery for TravelCard Plus to juice up your smartphone while on the go - Image 6 of 8

As smartphones become bigger, the more battery it consumes. And as we become more mobile, the more we need external batteries to help our devices keep up. But being mobile also means you don't want to be lugging around all these cables and big, bulky battery extenders. A Kickstarter project,… Return to TravelCard Plus to juice up your smartphone while on the go
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