Energizer Hard Case PS28K Smartphone 28,000mAh Battery
Priced at around $271 USD and set for release this October, the IP69-rated Energizer Hard Case P28K smartphone is one that can last up to 1-week of normal use (or over 3-months on standby) on a single charge, thanks to its massive 28,000mAh battery. There are some tradeoffs as in it being 27.8mm thick and weighing 570g.


Energizer Hard Case PS28K Smartphone 28,000mAh Battery
For comparison purposes, it has a larger battery than the iPhone 15 Pro Max (4,441 mAh), Samsung Galaxy S24 Ultra (5,000mAh), and OnePlus 12 (5,400mAh) combined. Other features include a 6.78″ IPS LCD screen, a MediaTek MT6789 processor, 8GB of RAM, 256GB of internal storage, and 33W fast charging. Let’s just say that it puts the competition (Unihertz Tank 3) to shame, but the Hard Case P28K definitely won’t be able to fit in most pockets.

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  • Compatible with T-Mobile 5G and Verizon 5G. Ready for 5G on other select networks dependent on availability; contact your service provider for...
  • Ultra-fast 5G performance. Make the most of 5G speed with the MediaTek Dimensity 930, an octa-core processor with frequencies up to 2.2GHz.
  • 6.5 FHD plus 120Hz display. Enjoy smooth gameplay and seamless scrolling on a razor-sharp display with a blazing-fast refresh rate.

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