Best Smartphone Charging Cases

These cases keep you charged and protected. What more could you ask for?

Portable chargers are a sensible way to make sure that you'll never get stuck with a dead battery while out and about—but even the slimmest and most compact chargers still require you to carry around an additional gadget. And those wires? Forget about it.

Thankfully, dual-purpose cell phone charging cases can come to the rescue by giving you a streamlined solution while protecting your valuable device at the same time. Look for an option that provides plenty of juice while not interfering with your phone's features. Battery life will be the least of your worries!

Apple battery case
Go an entire day without worrying about needing to plug in. | Apple

Enjoy up to 39 hours of talk time and 22 hours of internet use with this charging case that offers maximum longer battery life and optimal protection at the same time. A soft microfiber lining helps protect your phone on the inside while the exterior silicone finish feels great in your hand.

Swaller battery case
Old school devices can be big and clunky. Fortunately, technology keeps improving. | Swaller

When daily protection is just as important as keeping your device charged, this smart charger case is perfect for everyday use. The ultra-slim design made of liquid silicone rubber adds less than a quarter-inch to your iPhone, so you'll forget that it's even on.

Wixann charger
As devices age, their power weakens. This is a surefire way to solve that. | Wixann

This charging case expertly solves the problem of low battery by extending 100% to your phone's service life with a built-in lithium polymer battery. For added safety, advanced chips protect your phone against overheating, short-circuiting, and overcharging.

mophie charging case
When you care about how your device looks, you'll want the accessory that complements it. | mophie

Enable effortless charging using virtually any wireless charging technology. An integrated standby button allows you to choose when to charge or save some juice for when you need it most, while the Qi-compatible charging allows you to "top off" your phone and battery case at nearby outlets.

TRS charger
The bottom line is you need peace of mind when you're away from a regular charger. | TRS

Sync your phone right to your laptop or computer without even having to remove the battery case thanks to advanced sync-through technology. This high-capacity charging case can effectively provide up to 200% extra battery life to your phone—17 hours of talk time, 12 hours surfing the web, and an impressive 60 hours of listening to music.