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Avenir Telecom’s Energizer Hard Case P28K is an 27.8mm thick smartphone with a 28,000mAh battery in it. | Photo by Jon Porter / The Verge
Four years ago, my then-colleague Vlad brought you news of an 18,000mAh battery with a phone in it. Well, I am delighted to inform you that Avenir Telecom is at it again, only now it’s packed a smartphone into a 28,000mAh battery. That, in this industry, is what we call progress.
The device itself is called the Hard Case P28K, and like its predecessor it’ll be sold under the Energizer brand (which Avenir licenses from the battery manufacturer). The company claims the P28K’s battery is substantial enough to last for a whole week regular of usage. The device also has a pretty rugged IP69 rating to survive the kinds of off-the-grid adventures you might want to have while away from a charging point. Talk time is rated at 122 hours (or a…