Extend iPhone Battery's Lifetime

We touched upon iPhone batteries in two previous posts. When the capacity of Li-ion batteries drops to 80% of brand new cells, they're considered EOL. What reduces the cells' ability to hold charges? Apparently there're chemical processes at work between charging/discharging. The processes develop oxidation at the negative electrode.…

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iPhone Battery, Again

In my previous post back in November last year, we started discussion of iPhone battery. My first iPhone was a 3Gs. Upgraded to iPhone 5 and then iPhone 6. For each I owned, the battery usually became less reliable after one and a half year of use. It was not…

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iPhone Battery

iPhone has a good run of ten years so far. Technologies such as display, camera, wireless, storage and main processor have progressed hugely. The battery pales in comparison. Inside latest iPhones is the same Lithium-ion polymer battery technology deployed since the very first original iPhone. Capacities also have changed little.…

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