Making an iPhone Battery Is Harder Than You Think
Every iPhone battery starts as a lithium polymer cell—but that's only the beginning. Before it can safely power your phone, it has to be programmed, assembled, tested, and inspected.During a visit to one of China's largest battery factories, I got the chance to build an iPhone battery myself and see just how much engineering goes into something we usually take for granted.
From programming the battery management system to quality control testing, here's what it takes to make a battery that's safe enough to go inside your phone.
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00:00 Building an iPhone Battery
00:22 Inside a Massive Battery Factory
00:57 Why Every iPhone Battery Needs a BMS
01:49 Assembling the Battery
02:58 Quality Control Testing
03:29 Reading Battery Health Data
03:49 Applying Apple's Adhesive Strips
04:08 Installing the Finished Battery
04:26 Why Phone Batteries Are So Impressive
#iPhone #Battery #Manufacturing #Engineering #China #iFixit
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