Back in the day, just about everything that used a battery had a hatch or a hutch that you could open to pull it out and replace it if need be. Whether it was a radio, a cordless phone ...
After carefully measuring the dimensions of this battery, it was replicated in plastic with a 3D printer. This enclosure was then stuffed with a small lithium cell scavenged from a USB power bank.
Within days of its launch, the Samsung Galaxy S25 Ultra received a teardown treatment, revealing its innards. YouTuber JerryRigEverything also put the phone through his usual durability test, where it ...
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