Author: Michael Crider / Source: reviewgeek.com

Your smartphone is kind of like a supervillain: it’s super-intelligent and has fantastic capabilities, but it’s also insanely hungry for power. Feed it on the go with these picks for the best portable battery chargers.
Portable batteries are pretty simple in technical terms—a big honkin’ lithium-ion cell, a plastic case, and some connections to get the electricity in and out.
But as with any product, thoughtful design and handy features can boost some models above the rest. We’ve chosen the best battery for users with multiple devices, the best one for those who need to juice up a laptop, the one with the most massive portable capacity, the best to take advantage of new fast-charging phones, and the most pocket-friendly battery on the market.Note that there are no batteries below that use Qi wireless charging. There are few out there, and the technology itself is getting more and more popular thanks to its inclusion on the latest iPhones. But with the inherent inefficiency of wireless charging (quite a lot of the energy is lost between the battery and the phone compared to a conventional charging cable), we don’t think they’re especially good buys at the moment. If you want wireless charging, stick to something you can plug into a wall—at least for now.
Best Multi-Device Battery For Sharing The Juice: Heloideo Portable Charger ($40)

At first the Heloideo 10,000 mAh battery doesn’t look like much. But look again and you’ll see that it’s packing some hidden surprises. Tucked into the plastic case is not one, not two, but three integrated charging cables, for Lightning port iPhones, newer Android phones with USB-C, and an older MicroUSB port to cover all the bases.
The back of the gadget also includes a fold-out AC plug so you can stick the thing directly to the wall to recharge it. Throw it in a bag for a weekend and you won’t need any extra chargers or cables to keep your phone full. At $40 it’s a…
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