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Best Portable Charger: Lumina 15000 mAh Ultra Compact Portable Charger
Nothing’s worse than a low battery when you’re trying to meet up with friends or navigate to a new place. Luckily, if you have a Lumina power bank, you’ll never have to worry about hitting the red zone again. It boasts a 15000 mAh battery capable of charging your phone from 0 to 100 percent about 4 times before you need to juice it back up. (When you give it a little shake, you’ll see small LED lights that indicate how much power is left.) It has two USB outputs, so you can charge up to two devices at once, plus 4.8A output, a high-speed charging technology. The bank has a durable aluminum alloy outer casing, but on the downside, weighs about one pound, which is pretty heavy compared to alternatives out there. Even so, it’s a small price to pay for the full battery peace of mind.