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For more information on the best portable car jump starters ... you want your portable battery charger at 100%. Slow charging and discharging also help a lot—again, not what you need in a ...

That’s why this steep Gooloo Jump Starter sale is worth mentioning: Right now, the pick our editors named best overall is 50 ...

Running out of battery life is so two decades ago. Stay powered up with 10,000mAh of fast-charging power for a real nice 40% discount.

Charge Qube uses shipping containers and recycled electric car batteries to overcome grid connection and planning problems ...

The best portable chargers are compact, lightweight, and have a battery life that can last you more than one charge (an especially helpful feature for group travel). Read on for full reviews of ...

Which portable charger is best? If you don’t want to be caught with a dead battery in your phone, tablet, laptop, or other rechargeable devices, you need a portable charger for recharging on the go.

The Hellee Portable Charger With Built-In Cables is ideal for those who have multiple tech devices to charge at once and don't want to carry around a clunky charger. Currently on sale for $22 ...

With so many of us juggling multiple devices — smartphones, headphones, tablets, and even laptops — a portable charger has become ... or desperately rationing battery life on long-haul flights.