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Old 02-18-2019, 07:34 PM   #1
RhD97
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Can this damage the battery?

I was charging my Kindle and at some point I had to disconnect the charger from the USB and plug it back a few seconds later. I wonder if this unplug-plug thing can damage the battery life
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Old 02-18-2019, 07:47 PM   #2
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I'm not an engineer but I have read quite a bit on the care of lithium ion batteries and I've never read of that being a problem. That doesn't mean that it's not but my guess is that it's not. I wouldn't hesitate to do it myself if I had a reason.

These batteries are pretty sturdy. Most of the things that can shorten their lives have just a small effect. For example there's a chart on batteryuniversity.org that shows that batteries last longer if you keep them charged around 40% to 60%. This is from memory so I may not have that exactly right. But if you charge them fully it just takes a little bit off their overall lifetime. I always charge mine to 100% even though I know that isn't optimal. I just find it convenient and my batteries tend to last a long time.

I know this isn't a real answer to your question but I hope it helps.

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Old 02-18-2019, 08:13 PM   #3
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Quote:
Originally Posted by RhD97 View Post
I was charging my Kindle and at some point I had to disconnect the charger from the USB and plug it back a few seconds later. I wonder if this unplug-plug thing can damage the battery life
It didn't affect your battery at all, but you did use up one of the thousands of mechanical plug/unplug cycles of the USB plug and socket.
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Old 02-18-2019, 08:54 PM   #4
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It didn't affect your battery at all, but you did use up one of the thousands of mechanical plug/unplug cycles of the USB plug and socket.
What is this cycle exactly?
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Old 02-18-2019, 10:04 PM   #5
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What is this cycle exactly?
Plugging the cable in, then unplugging it. This can be done thousands of times, but eventually something will wear out or break.
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Old 02-18-2019, 10:05 PM   #6
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What is this cycle exactly?
Just physical wear and tear on the USB socket/plug in the device.
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