Amazon's Prime Day deals are up to 50% off — here's my favorite power banks and chargers

Charmast 10,000 mAh Portable Charger: was $24 now $12 @ Amazon
With its compact design, 20W charging speed, and integrated charging that also doubles as a lanyard, this Charmast portable charger offers a lot of utility in a small package.

INIU Portable Charger: was $29 now $17 @ Amazon
The INIU 10000mAh Portable Charger is our top pick for the best power bank you can buy right now. Combining its compacr size, 10,000 mAh battery capacity, and two USB-A ports, it's the portable charger for anyone that needs on-the-go power.

INIU 10,000 mAh Portable Charger: was $23 now $20 @ Amazon
Big things come in small packages. That's certainly true with the INIU 10,000 mAh Portable Charger because it manages to fit two USB-A and one USB-C port into a design that's roughly the size of a playing card. Plus, there's a pull out holder that can hold your phone in place while it's charging.

Newdery 10,000 mAh Portable Charger: was $39 now $28 @ Amazon
Flaunting a transparent design, the Newdery 10,000 mAh Portable Charger packs enough USB ports to charge several gadgets at the time, including an embedded Apple Watch charger.

Anker 713 (Nano II 65W): was $39 now $19 @ Amazon
The 735 offers a blend of power and price for its pocketable size. The 45-watt capacity is ideal for most setups, and when not required, the prong folds up and away for safe storage in a backpack. It comes with a bundled 13-inch cable.

Anker 622 Magnetic Battery: was $69 now $31 @ Amazon
Don't waste time looking for an outlet to charge your iPhone. The Anker 622 Magnetic Battery allows you to charge on the go by snapping it on the back of an iPhone. It also features a kickstand that lets you use your iPhone in StandBy mode as well. 

Kuxiu X55 Fast Wireless Charger: was $49 now $37 @ Amazon
Thanks to its foldable design, the Kuxiu X55 Fast Wireless Charger can easily be stowed away and can simultaneously charge your iPhone, AirPods, and Apple Watch. Luckily you can still use it to charge other Android phones and wireless earbuds.

Mophie 10,000 mAh Powerstation Power Bank: was $49 now $33 @ Amazon
More of a traditional power bank, the Mophie 10,000 mAh Powerstation has enough gas in the tank to give most phones two charges, all without being too bulky in size for travel.

Anker 633 Magnetic Battery 10,000 mAh Power Bank: was $79 now $39 @ Amazon
When you're traveling and can't find a spare outlet, the Anker 633 Magnetic Battery will come to save the day by snapping onto the back of an iPhone, or resting an Android on top of its wireless charging pad. With its 10,000 mAh battery, you'll get more than a few charges out of it.

CUKTECH 20 Power Bank: was $99 now $59 @ Amazon
You could pay more for Anker, but I've been testing the Cuktech 20 Power Bank for a while now and it's just as good of an alternative at a lower cost. Not only does it have a massive 20,000 mAh battery, but it even has a screen that shows the real-time charging status of each port, along with a neat light strip running along the power bank that gives it a nice touch. And don't forget to clip $20 coupon to get more savings on it.

Cuktech 30 Power Bank: was $199 now $149 @ Amazon
It's the biggest, most massive power bank on our list, but the Cuktech 30 Power Bank features a 40,000 mAh battery that's enough to power a MacBook Pro, so you won't need to rely on an outlet. There's also a built-in 20W wireless pad for your phone.

Anker 321 MagGo Battery: was $25 now $19 @ Amazon
For iPhone owners who need on-the-go charging, the Anker 321 MagGo Battery is a simple 5,000 mAh power pack that fastens to the back of the iPhone for convenience.

Mregb Portable Solar Power Bank: was $299 now $28 @ Amazon
It's not often you find a power bank with exception utility, nor this kind of discount. Yet, the Mregb Portable Solar Power Bank has it all, including a handy LED flashlight when you need it. And with its integrated solar panel, you can even recharge it with sun power.

UGREEN 65W USB-C GaN Charger: was $39 now $27 @ Amazon
Prime members only! For powering most of your gadgets while on the go, the UGREEN 65W GaN USB-C charger has everything you need including two USB-C and 1 USB-A ports. Its compact design makes it an easy companion on your trips. Sign into your Prime account to see this price. 

Anker Prime 27,650 mAh Power Bank: was $179 now $149 @ Amazon
Talk about power! The Anker Prime 27,650 mAh has a massive battery with up to 250W total charging power to even some laptops. There's even an integrated display to show you real-time charging speeds with all of its ports.

iWALK MAG-X Magnetic Wireless Power Bank: was $39 now $31 @ Amazon
Part MagSafe charger for your iPhone, part Apple Watch charger, the iWALK MAG-X Magnetic Wireless Power Bank offers the convenience of charging your two favorite Apple gadgets simultaneously.

Anker Nano Battery Pack: was $44 now $31 @ Amazon
This 10,000mAh portable charger from Anker has a built-in USB-C cable, making it the perfect accessory for most smartphones and tablets. We like this battery pack accessory because of its battery status display. Make sure to click the on-page digital coupon to get this price at checkout.