The best Galaxy S7 Edge battery cases to keep the power flowing

Incipio Offgrid Wireless Battery Case
Simon Hill/Digital Trends
It’s horrible when your smartphone battery dies, especially if you aren’t anywhere near a charger or an outlet. If you find that your battery simply can’t make it through the day, then you might want to pick up a case equipped with an external battery pack. Whether you’re on a camping trip, hunting Pokémon, or just need some extra juice to see you through to bedtime, try snagging one of the Galaxy S7 Edge battery cases below for a little peace of mind.

The Best

Incipio Offgrid Wireless Battery Case ($67+)

Incipio Offgrid Wireless Battery Case
  • Capacity – 3,700mAh
  • Output – 1A
  • Size – 6.5 x 3.05 x 0.62 inches
  • Weight – 118g (4.16oz)

This battery case boosts your S7 Edge’s battery life by around 70 percent. It’s slim and lightweight, too, at least compared to other S7 Edge battery cases on the market. The finish is matte black with a soft-touch material that adds grip and is comfortable to hold. You can recharge the case via the Micro USB port on the bottom, and it supports Quick Charge 2.0 pass-through, so you can juice your S7 Edge up in a hurry as long as you use a QC 2.0 charger. This case also supports wireless charging on the Qi or PMA standards.

It comes in two pieces. You slide your S7 Edge into position, then snap a bumper onto the top, which features metallic button covers for the power and volume buttons. There’s also a cut-out on the back for the camera and a redirect for the speaker at the bottom. There’s even a metallic button at the bottom that brings the four white LEDs, allowing you to see the remaining power.

The bumper should provide some protection, but there are cut-aways that expose the edges of the screen. There’s also only a very slight lip, meaning it’s still susceptible to damage if dropped. The bottom section is bulky, so you’ll need the 3.5-millimeter headphone extender that’s included in the box if you want to plug headphones in.

Amazon Incipio

The Rest

Mophie Juice Pack Case ($85+)

Mophie Juice Pack Case
  • Capacity – 3,300mAh
  • Output – 1.8A
  • Size – 6.39 x 3.14 x 0.73 inches
  • Weight – 122g (4.3oz)

You can expect about a 60-percent bump to your S7 Edge’s battery with this case on. It’s a little heavier and bulkier than it should be for its capacity, but it does support QI wireless charging. It will charge the S7 Edge first if you plug it in, but, sadly, it doesn’t support pass-through fast charging. The button covers for volume and power work well, though, and there’s a generous cut-out on the back for your smartphone’s camera. The lack of a front-facing opening for sound is a little disappointing, so it does muffle the S7 Edge a wee bit.

On the back, there’s a power button to turn the case on and off and four LEDs give you an idea of how much power remains. The power button is a bit too easy to accidentally press, however. This case should offer reasonable protection from bumps and drops, and there’s a slight lip at the top and bottom. The screen is pretty exposed still, so if your S7 Edge lands on an uneven surface, it could end up scratched or cracked.

There’s also a Micro USB cable in the box and a headphone adapter, which you’ll need for most of the accessories you might plug into the 3.5-millimeter audio port.

Amazon Verizon Best Buy

ZeroLemon Battery Case ($60)

ZeroLemon Battery Case
  • Capacity – 8,500mAh
  • Output – 1.2A
  • Size – 6.5 x 3.06 x 0.82 inches
  • Weight – 218g (7.68oz)

If you really want to extend your S7 Edge battery life for as long as possible, then this could be the case for you. It has a whopping 8,500mAh rating, so you can expect to boost your S7 Edge battery by around 150 percent. It supports Quick Charge 2.0 pass-through charging as well, and it even has an extra USB output that can be used to charge other devices, albeit at a slower rate.

With such a large capacity, this case is inevitably huge and very heavy. The TPU outer layer is shock-absorbent, however, so it should offer decent protection even if the screen is left pretty exposed. There’s also a standard power button on the back with a four-LED display to show the remaining power. The button covers for the volume and power work fine and there’s a cut-out for your smartphone’s camera. Despite the redirect ports for the speaker at the bottom, it still muffles the sound a bit.

Unfortunately, there’s no headphone extender in the box and you’re going to need one to plug most headphones in. This case also doesn’t support wireless charging, and NFC won’t work with the case on either. Because the battery is so big, you can expect it to take at least 8 hours to charge, possibly longer. It’s not the best design we’ve seen, but it does offer plenty of juice.

Amazon

Trianium Atomic S Pro Case ($30)

Trianium Atomic S Pro Case
  • Capacity – 5,000mAh
  • Output – 1.6A
  • Size – 6.4 x 2.93 x 0.6 inches
  • Weight – 131g (4.64oz)

Here’s a slim case that will double the battery life of your Galaxy S7 Edge. You can charge and sync your S7 Edge through the case, but there’s no support for wireless charging. There’s a standard power button on the back, too, along with the usual array of LEDs for checking the remaining power. The case also features a soft, rubber finish that’s quite comfortable to hold.

It comes in two parts that slot together, which makes it easy to fit around your S7 Edge. That said, it is harder to get off than on. The sides do leave the edges of the screen exposed, but they also provide quick access to your smartphone’s buttons, ports, and camera. The bottom section is chunky, so the case comes bundled with a headphone extender, and there are redirects for the speaker. The case even comes with a Micro USB cable.

We wouldn’t rely on the case for drop protection, however, because it leaves your phone’s sides and screen exposed. Nonetheless, it offers a decent amount of power for the money.

Amazon

Product Review

Samsung's Galaxy Fold proves folding phones are the future

Samsung's Galaxy Fold is finally here -- it's the company's first foldable smartphone, with three screens, six cameras, and a dual-cell battery. What's it like to use? We spent some time with it to find out.
Mobile

The Best iPhone 7 battery cases to give your phone some extra juice

The iPhone 7 doesn't have terrible battery life, but you never know when you'll need to juice up on the go. To help, here are the best iPhone 7 battery cases that can keep your smartphone charged and ready for long-term use.
Mobile

Spruce up your Lenovo smartphone with the best Moto Mods for the Moto Z-series

Moto Mods, the snap-on accessories compatible with Lenovo's Moto Z-series smartphones add a lot of value without adding a lot of bulk. Looking to try one out? Here are a few of our favorite Moto Mods.
Deals

Looking to upgrade? These are the best iPhone deals for April 2019

Apple devices can get expensive, but if you just can't live without iOS, don't despair: We've curated an up-to-date list of all of the absolute best iPhone deals available for April 2019.
Mobile

Sidestep banking fees with the nationwide launch of T-Mobile Money

T-Mobile has launched its Money banking service nationwide in the U.S., and it offers an extremely tempting set of features for everyone, including industry-leading interest rates, a powerful app, and no banking fees.
Mobile

The OnePlus 3 & 3T both receive an open beta for Android Pie

Android 9.0 Pie has been released. But is your phone getting Android 9.0 Pie, and if so, when? We've done the hard work and asked every device manufacturer to see when their devices would be getting the update.
Mobile

Selfies are now banned at China’s gigantic Aperture Spherical Telescope

You can't take a selfie with the world's largest single-dish radio telescope anymore, as the Chinese government has banned everything from smartphones to digital cameras in the surrounding 5-kilometer area.
Mobile

Charge and sync with the best Lightning cables for your iPhone or iPad

If you’re looking to replace a lightning cable, or in need of something a little longer or tougher, we’ve got you covered. Here are 10 of our favorite cables for the iPhone and other iOS devices.
Deals

Make some time for the best smartwatch deals for April 2019

Smartwatches make your life easier by sending alerts right on your wrist. Many also provide fitness-tracking features. So if you're ready to take the plunge into wearables and want to save money, read on for the best smartwatch deals.
Android

The dramatic BlackBerry Key2 Red Edition is now available in the U.S.

BlackBerry's Key2 is likely to be the best keyboard-equipped phone in 2019, with a modern look, some powerful specs, and totally revamped features. Here's everything you need to know about it.
Computing

Want to make calls across the internet for less? Try these great VOIP services

Voice over IP services are getting more and more popular, but there are still a few that stand above the pack. In this guide, we'll give you a few options for the best VOIP services for home and business users.
Digital Trends Live

Digital Trends Live: Samsung Galaxy Fold woes, zombie pigs, and more

Today's topics: Samsung Galaxy Fold, Facebook A.I. voice assistants, YouTube comes to Fire TV, facial recognition on airline flights, the SpaceX DART program, Yale's zombie pigs, and much more!
Mobile

Samsung Galaxy S10 update gives manual control of Bright Night mode

Samsung 2019 flagship smartphone lineup is here, and there aren't just two phones as usual — there are four. There's the Galaxy S10, S10 Plus, as well as a new entry called the S10e, as well as the Galaxy S10 5G.
Deals

The excellent Moto G6 is just $99 from Google Fi for a limited time

Getting a cheap smartphone can be a great way to squeeze value out of your dollars. Motorola's Moto G-range has always been good value, but never better than this: Get the Moto G6 for just $99 from Google Fi.