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Remember when laptops used to come with removable batteries? If you needed more run time than you could get from the built-in battery, you could just shut down your PC, pop out the battery, and insert a fresh one. It was also a pretty good way to breathe new life into a laptop after a few years of use if the battery wasn’t lasting as long as it used to.

While there are still a few laptops that ship with removable batteries, odds are any thin-and-light model you may have your eye on has a built-in battery that’s not designed to be replaced.

But that doesn’t mean your only choice is to plug into a wall jack if you’re running out of juice. You can pick up an external battery pack with a compatible power plug… or just buy a RAVPower portable charger with an AC plug so you can plug in a standard laptop adapter.

Normally RAVPower charges $90 and up for its portable batteries with AC plugs. But today you can pick one up on sale for as little as $67 when you use a coupon code.

Here are some of the day’s best deals.

Portable batteries

Windows Tablets



You can find more bargains in our daily deals section.

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