Best Battery Cases for iPhone 8

Smart iPhone battery case
Smart iPhone battery case (Image credit: iMore)

Watching YouTube videos, browsing Facebook, sending emails, and making calls are all things we do with our iPhone, and unfortunately, it never seems like there is enough battery life to get it all done in a day. Luckily for all of us, there's a simple solution to keeping your iPhone 8 charged and always ready to go: a battery case!

If you're looking to stay charged up on the go, here are our favorite battery cases for your iPhone 8!

iPhone 8 Smart Battery Case

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If you're looking for the ideal battery-rific partner to go with your iPhone, then why not head straight to the source and check out Apple's iPhone 8 Smart Battery Case?

Designed with a soft microfibre lining on the inside, and a smooth silicone exterior, the iPhone 8 Smart Battery Case increases your talk time up to 26 hours, and your internet use up to 22 hours. Plus, it worked seamlessly with your iPhone 8, displaying the case's power status on your iPhone's screen so you know precisely how much charge is left!

The case doesn't come in a huge variety of colors, but you can pick from an incredibly sleek white, black, or (RED) case for around $99.

See at Apple

Trianium Atomic Pro iPhone 8 Case

With nearly 200 5-star reviews on Amazon, the Trianium Atomic Pro iPhone 8 Case Battery Charger is a powerful little backup battery to consider pairing with your iPhone 8.

Designed with a protective, 360-degree bumper case, and able to charge your iPhone with the push of a button, this protective battery case will add an additional 14+ hours of talk time or nearly 10+ hours of web browsing time to your iPhone 8's battery life.

Unlike plenty of other battery cases, the Trianium Atomic Pro is actually quite slim and compact (though it's definitely not designed to be ultra-thin and minimalist). You can pick up this particular battery case in white/turquoise, white/grey, black/burnt orange, and classic black for around $45.

See at Amazon

Maxdara Charging Case iPhone 8

If you're looking for a case that'll add over 15 hours of talk time to your battery life while still protecting your iPhone from scratches, falls, and accidents, then take a peek at the Maxdara Charging Case iPhone 8.

After sliding your iPhone 8 into the Maxdara, you'll instantly add 17+ hours of talk time, or a whopping 10+ hours of additional app-use time to your iPhone's battery. On top of that, one more unique feature the Maxdara has is its power-level indicator using 4 multicolored LED lights that let you know when you're runnin' out of juice.

While most battery cases come in a small handful of colors, the Maxdara Charging Case comes in over six, including black, blue, gold, pink, silver, white, and rose gold (plus, for only $17.99, why not check it out?!)

See at Amazon

Mophie Juice Pack Air

Mophie's Juice Pack Air case has been a favorite for years, but now there's an option for your iPhone 8: and with Mophie's excellent product design, it's a good bet you'll love it for your iPhone 8, too!

Not only does the Mophie Juice Pack Air keep your iPhone 8's battery alive for an additional 27 hours, but it also has the ability to charge wirelessly with one of Mophie's chargers. That means you no longer would have to worry about hauling lightning cables around with you! Or replacing them when they fray and die!

This sleek and sharp case may not be the thinnest, but it looks and pairs perfectly with the iPhone 8's aesthetic and feel.

You can pick up the Mophie Juice Pack Air in four colors, including black, rose gold, navy blue, and (RED) for around $99.

See at Mophie

BoxLegend iPhone 8 battery case

The BoxLegend case promises to pack quite a power-punch: after you slide in your iPhone 8, you'll get up to 92 hours of music or 27 hours of talk time, along with 16 hours of extra app use. It takes around 2.5 hours to fully charge your iPhone 8 once it's dead, though!

This fairly thin, 0.51-inch case may not be the most protective option for your iPhone 8, but it is a wonderful option if you're looking to squeeze a little extra juice out of your tech.

The BoxLegend case comes in only two colors: rose gold and black for around $20 a pop.

See at Amazon

Alpatronix BX170 Ultra-Slim charging case

If you're looking for a reliable battery case that won't add a terrible amount of bulk to your iPhone 8, while still being able to (almost) perfectly match any iPhone color, then check out the BX170 Ultra-Slim charging case from Alpatronix!

Apple-certified, designed with a scratch guard, as well as a raised bezel in case you drop it face-down on the ground and super-duper easy to install, the Alpatronix BX170 Ultra-Slim charging case is an incredibly well-designed and durable battery pack for your iPhone.

One downside? The Alpatronix BX170 Ultra-Slim charging case doesn't work with Apple's EarPods or with a Lightning cable or traditional 3.5mm headphones – it's only compatible with any wireless Bluetooth headphones or Apple AirPods since it takes up the Lightning port on your iPhone.

That being said, the BX170 is relatively affordable (around $32) and comes in colors that perfectly match your iPhone 8!

See at Amazon

What's your pick?

Let us know about your favorite battery case in the comments down below!

Luke Filipowicz
Staff Writer

Luke Filipowicz has been a writer at iMore, covering Apple for nearly a decade now. He writes a lot about Apple Watch and iPad but covers the iPhone and Mac as well. He often describes himself as an "Apple user on a budget" and firmly believes that great technology can be affordable if you know where to look. Luke also heads up the iMore Show — a weekly podcast focusing on Apple news, rumors, and products but likes to have some fun along the way. 

Luke knows he spends more time on Twitter than he probably should, so feel free to follow him or give him a shout on social media @LukeFilipowicz.