At my work, the janitors bought a DeWalt (you'd think quality?) cordless drill, top of the range. One of the batteries wouldn't work. I opened it and soldered a wire back on that hadn't been done properly and had fallen off. I guess that's how fires start in transporting batteries.
But they all know someone who does.
It's actually a very easy task. Usually just an array of cells in honeycomb formation with tabs, soldered to each other.
Not in my experience. I've created a battery for a third of the price. And I know the cells in it are good ones and not Chinese s*it.
Solder works fine.
Which makes them brick themselves and you lose everything.
I usually have to sand them first, then the solder gets a grip.
It came from the same website you used.
It still shows Apple are a bunch of f****ng criminals.
Li Ion is a pretty standard thing.
Easy for a device to tell how full one is. They use the same chemistry.
Since they use the same chemistry, it should be able to tell. How is it reacting to charge/discharge compared to when it was installed (and assumed new) for example.
You can see it getting weaker with age and work out when it will die. You can do that yourself, a computer would find it easy.
It's the storage capacity that decreases with time.
It doesn't really matter. You watch how it weakens over time from when you got it.
They are in my experience. They just wear out faster, and start with a lower capacity.
Why do yourself what can be done for you. The whole point of a computer is to assist you.
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