With its integrated 12-volt plug, the TransitPlus portable battery can be ready to charge up your phone at any time.
We'd love to recommend this innovative technology, but at this early stage the Upp fuel cell charger is just too cumbersome and too expensive.
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Able to simultaneously charge four tablets, this 48W Aukey AIPower quad-port car charger is the most powerful we've tested.
At last, a nice cup of tea and the iPhone can co-exist in harmony. The KettleCharge works at home or while camping.
Solar-powered phone chargers for the developing world, 3D-printed satellites and bespoke shoes for the masses have won the backing of Sir Richard Branson.
Forget that snap-on charging cover. The Gear family of wrist-worn smart devices sports a smaller cradle that takes up far less space.
With three new smartwatches, Samsung also gave us new charging cradles for them. They're smaller and easier to use than the chargers for the earlier Gear watches.
Carbon is a wristwatch-like portable solar charger that gives you up to three hours of extra power for your gadgets on the go.
Like to camp? Prone to power outages? Have a look at this week's freebie, a compact thermoelectric generator that charges your gadgets with the aid of pretty much any heat source.
This portable USB charger offers a point of difference: it's a DIY assemble-yourself kit that runs on AA batteries.