Owners of Apple’s various iPhone models have historically been the most satisfied and loyal smartphone customers in the world. The fit and finish on Apple’s iPhones is unmatched, the iOS user experience is outstanding, and Apple’s customer service is second to none. This has been the case for years and it’s largely still the case to this day, but a growing number of iPhone users is becoming increasingly frustrated due to a horrible bug that has been impacting iPhone 6, iPhone 6 Plus, iPhone 6s and iPhone 6s Plus models.

As you’ve no doubt read by now or even experienced yourself, there is a severe bug causing many iPhones to shut down despite still having about 30% of their charge remaining. Apple is working on a software fix but unfortunately nothing has been released at this point. There is a battery replacement program for some iPhone models, but only a small fraction of affected devices are eligible. If your iPhone isn’t eligible even though it has been shutting down at 30%, all you can do is sit and wait for Apple to issue a fix.

Well, that’s actually not all you can do. Below, you’ll find a handful of battery cases and portable chargers that will help you avoid these bothersome shutdowns by keeping your iPhone’s charge above 30%. They’re all affordable, they’re all highly rated, and they’ll all tide you over until Apple finally figures out how to fix this problem.

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