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.
- 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.
Mophie Juice Pack Case ($85+)
- 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.
ZeroLemon Battery Case ($60)
- 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.
- 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.
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