1. Mophie Juice Pack

No list of the best iPhone 6s battery cases can be complete without this popular brand–mophie. The Juice Pack may not boast a huge battery but it’s 1,840mAh battery is good enough to provide more than 20 hours of extra talk time. As for design, this battery case looks a bit on the slimmer side. With the rubberized exterior, you get enhanced gripping. Besides, it can also endure drops and ward off scrapes. Additionally, you can choose Juice Pack in four attractive color options including black, blue, pink and purple.

2. Wavypo

For extra battery, don’t go for your lightning cable or adapter, buy Wavypo’s battery case for your iPhone. This 4000mAh extended rechargeable charging case works as a portable power bank and protects your iPhone from potential damage. This external battery pack adds 150% additional battery life to your smartphone. Its built-in lithium polymer battery gives you 18 hours of talk time, 12 hours of internet browsing or 70 hours of audio play.

3. Pxwaxpy

This battery case for your iPhone 6s not only provides power for your phone but also 360-degree protection from scratches and other daily wear and tear. The high-quality chips will safeguard against overheating, overcharging, and short-circuiting. Further, the battery pack supports syncing data to your computer and simultaneously charges your phone without removing it. It’s available in three colors, namely black, pink, and red.

4. HETP

A battery case from HETP adds up to 200% more power to your iPhone 6s. With this extra power, you can surf the Internet, watch videos, listen to music, and talk to your loved ones for a long time. A notable feature of this battery case is that it protects your phone not only externally, but also internally. Over-charging and overheating are common issues with ordinary battery cases, but not with HETP case. Another significant feature is the easy installation and removal. Many users have experienced that they find it difficult to install a battery case. HETP’s battery pack is precisely crafted to fit on your iPhone 6s comfortably.

5. Trswyop

Check out this powerful high capacity 8500mAh battery case for your iPhone 6s that provides 200% extra power. That’s up to 17 hours of talk time, 12 hours of web browsing, 60 hours of music playback, 13 hours of video, and 3 hours of 3D games. Further, the built-in internal high-quality chips prevent any danger of short-circuiting, overheating, and over-charging. At the same time, the 360° complete bumper design and hard shell back protect your phone from scratches and other daily wear and tear – the best of both worlds! USP: All-round protection

6. Alpatronix

Alpatronix battery case is a style icon, finish and looks are impressive. Apart from beauty, the case is certified by Apple and boasts a 3100mAh battery under the hood. Like other battery cases, you can sync and charge simultaneously. The precise cut objects none of the function of iPhone 6s. Lastly, there are many different colors along with different bumpers to suit your style.

7. Oakwill

Oakwill brings one of the best replacement battery cases for your iPhone 6s. A noteworthy feature is LED indicators, which show the battery status of this portable charger. When this charger case runs out of power, you can quickly charge it with a charging cable. Oakwill has packed 5000mAh Li-polymer rechargeable battery, which allows you to enjoy 28 hours talk time, 98 hours music time and 22 hours video time. That’s all! Summing up… The best thing about battery cases is they are portable chargers. Instead of holding those heavy power banks, it is incredibly comfortable to install a battery case, which keeps your iPhone charged always. You may also like to explore other iPhone 6s accessories:

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