This $39 30000mAh portable charger will keep your smartphone powered up for days

The Aukey USB-C 30000mAh portable charger is down to $38.99 with code AUPOWER8. This charger has predominantly sold for around $50 since its release earlier this year. Aukey releases a lot of coupon codes, which can be hard to track, but there have not been a lot of direct price drops on this charger ever before.

Aukey's charger comes with two USB ports, including a Quick Charge 3.0 port, in addition to a USB-C port. The 30000mAh charge means it could ideally charge an iPhone 7 nine times before needing to refuel. That's a lot of juice in one device. It can charge a Nintendo Switch while playing, slowly charge a 12-inch MacBook, and it works with Android devices too.

The charger comes with a two-year warranty.

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John Levite
J.D. Levite has been in the deals game since 2012. He has posted daily deals at Gizmodo, The Wirecutter, The Sweethome, and now for Thrifter. He was there for the first Prime Day and has braved the full force of Black Friday. If you cut him, he bleeds savings. But don't try it for real. That's a metaphor.