Charge quickly with RAVPower's discounted USB-C power bank for less than $21

There's nothing worse than your phone running out of juice before the end of the day, so it's always worth having a power bank in your bag or jacket pocket. This RAVPower portable charger with USB-C (opens in new tab) is perfect for taking on the go thanks to its slim design and right now you can snag it for its best price yet when you clip the coupon on its product page and then enter promo code TVAN4Q56 during checkout. That drops it down to $20.64 which is lower than we've seen it go before, though you'll need an Amazon Prime membership (opens in new tab) to snag the lowest possible price. Without Prime, your total will come out to $21.99, which is still lower than this charger has reached otherwise.

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RAVPower USB-C Portable Charger (opens in new tab)

With a USB-A Quick Charge 3.0 port and a USB-C PD port, you can charge up two devices at top speed. You'll just need to clip the coupon on its product page and enter the code below to snag this low price.

With a 10,000mAh capacity, it is capable for charging most smartphones two to three times over which is more than enough to get you through even the heaviest day of usage. It has a USB-A port that is Quick Charge 3.0-enabled for phones that support it, as well as a USB-C port with Power Delivery up to 18W for fast charging compatible phones. Regardless of which phone you're rocking, you'll be able to get powered up and perhaps even give a friend some juice at the same time. There's a Micro-USB port for powering the power bank itself back up or you can use that same USB-C port to get it back to full even quicker.

This power bank hasn't been available for long, though it's already garnered a rating of 4.5 out of 5 stars (opens in new tab) based on over 85 customer reviews at Amazon.

Adam Oram

Adam Oram is a Senior Writer at iMore. He studied Media at Newcastle University and has been writing about technology since 2013. He previously worked as an Apple Genius and as a Deals Editor at Thrifter. His spare time is spent watching football (both kinds), playing Pokémon games, and eating vegan food. Follow him on Twitter at @adamoram.