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Ahead of Amazon's October Prime Day, several top-rated portable chargers are on sale.

Deals include popular brands like Anker and Iniu, with discounts up to 82% off.

Amazon's Prime Big Deal Days event will take place on Tuesday, October 7, and Wednesday, October 8.

While I don't ever dare to check my weekly screen time report, I already know the numbers are (ahem) concerning—hence why my phone battery is always drained by the time I go to bed. That's why as of late, a portable charger has become as much of an everyday essential as my driver's license or car keys.

In short, I never leave home without a back-up battery.

Now, some of the best portable chargers money can buy (including ones I personally own and use 24/7) are on sale ahead of Amazon's October Pr

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