By Hope King @lisahopeking August 27, 2015: 2:57 PM ET
NomadPlus portable charger - $35
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Portable batteries are no good if they're never charged. The $35 NomadPlus charges itself and your device at the same time. It's also more compact than standard portable battery packs.
The same company also makes a small flexible portable charger that fits on your key chain.
