Best battery cases for Samsung Galaxy S7
It's a god idea to first take a look at Samsung's own Galaxy S7 battery case, which is available in black and grey, complementing the smartphone perfectly. Samsung is calling this product a "Wireless Charging Battery Pack", but it is, ultimately, also a case. The accessory includes a 3400 mAh battery, and can charge your Galaxy S7 wirelessly, letting you know how much battery you've got left via a four-level LED indicator. We must note that the case leaves the bottom of the Galaxy S7 a bit exposed, so it doesn't offer the best protection you can get.
If you simply must have a Samsung Galaxy S7 case that includes a giant battery, look no further than the ZeroLemon ZeroShock 7500 mAh Rugged Extended Battery Case. With 7500 mAh on board, this chubby case should be able to recharge your precious Galaxy about two times. The case is shockproof, and it's definitely the toughest on our list, but at the same time it's also the bulkiest. It's currently available via Amazon for $69.99 (down from the original price of $99.99).
Mophie has made a name for itself by selling exactly the type of cases that we're talking about here. The Mophie Juice Pack External Battery Case for Samsung Galaxy S7 provides edge-to-edge protection while also being stylish and not too bulky for a product in this class. The case includes a 2,950 mAh battery, which can only deliver about 60% extra power to your Galaxy S7. On the plus side, the Mophie Juice Pack is compatible with most wireless charging technologies, so you don't necessarily need a Samsung-compatible charger when using it.
The Incipio offGRID Wireless Charging Battery Case for Galaxy S7 features a two-piece snap-on design that makes it easy to install, and will absorb shocks whenever you drop your phone. It has a 3700 mAh capacity (which should be enough to fully recharge your S7), plus frontal LED lights to show remaining power levels. Moreover, as the name of the accessory suggests, you've got support for wireless charging (Qi and PMA standards).
Bastex Protective Shell with Rechargeable Battery
This Bastex battery case is the most affordable on our list, and yet the only flaw (so to say) that we think it has is the lack of wireless charging. The case provides edge-to-edge protection, and includes a 4200 mAh cell - good for offering up to 110% of extra battery life to any Galaxy S7 that may be wearing it. There are three versions of this Bastex battery case - black, white, or gold - each having its own kickstand.
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