Best Amazon Big Spring Sale power bank deal: Only $9.99

JUST $9.99: As of March 27, the highly rated INIU power bank is just $9.99 with an on-page coupon during Amazon's Big Spring Sale.

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Opens in a new window Credit: INIU INIU Portable Charger $9.99 at Amazon
$21.99 Save $12.00

There's no worse feeling than falling victim to sudden phone death while you're simply trying to enjoy your day. Like, all your stuff is on there. No way to make calls, pull up a map, post on Instagram — you're completely in the dark. That is, unles you have a portable charger to ensure that you always have a bit of extra juice to get you through the day.

Luckily, this highly rated portable charger from INIU is on sale during Amazon's Big Spring Sale for just $9.99 when you use the included on-page coupon. It's usually priced at $21.99, so that's kind of a steal. Whether you find that your phone, handheld gaming device, or any other electronic device is constantly losing power while you're out and about, you can't go wrong with picking one of these things up.

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The INIU portable charger is super thin, and it won't weigh you down at just seven ounces. It supports lightning fast charging, and has multiple ports, including two USB-A ports and one for USB-C. Just throw it in your bag, and rest easy knowing that you always have a battery backup to get you through the day. You can get one for just $9.99 during Amazon's Big Spring Sale, so don't miss out — just remember to check off that on-page coupon to get the deal.