. Why can some devices be used with a 0% dead battery as long as they’re plugged in, while others have to be charged a bit first?

Question

. Why can some devices be used with a 0% dead battery as long as they’re plugged in, while others have to be charged a bit first?

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Answer 1

It’s a design tradeoff. Some devices are expected to be used while being charged while others aren’t. With the latter case, you could save costs by making it charge the batteries offline.