General Question

chefl's avatar

What phone battery can be fully charged and can be discharged completely with no problem?

Asked by chefl (892points) 1 month ago
18 responses
“Great Question” (0points)

Is it across the board that it should be ideally, don’t let it discharge below 20%, and only charge till 80%?

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Answers

Hawaii_Jake's avatar

We had a long-time jelly here named JohnPowell who sadly died some time ago. He was an IT genius. He built computers for other jellies, and he gave expert information about all tech questions. When asked about how to best maintain a phone battery, he said the idea of 80/20 is old. He had a phone that he plugged in nightly and left plugged in until he woke the next morning. He used that phone for 6 years.

chefl's avatar

I don’t know which phone/battery he had.

Hawaii_Jake's avatar

I don’t remember.

However, all phones now are sealed. You can’t open the phone and change the battery. It’s a moot point.

smudges's avatar

John would be honored that you remembered him that way, @Hawaii_Jake.

Hawaii_Jake's avatar

@chefl The article linked expertly by @canidmajor has your answer. The 80/20 rule was invented for nickel/cadmium batteries. All phones now use lithium/ion batteries. It further explains that you should not run any battery down to 0% power. And it thankfully says it’s perfectly fine to leave a phone plugged in all night even though it will be full in just a matter or hours. This really is not something you need to spend a lot of energy worrying about.

chefl's avatar

I wasn’t talking about me. Safety experts advise to not leave things plugged unattended.

chefl's avatar

Some Q&A sites have no dates, so how does one tell if it’s upto date info? What if the latest info is contradictory to the one not dated.

Hawaii_Jake's avatar

^Life is full of ambiguity. Learn to live with the dissonance and go with the flow.

canidmajor's avatar

Once again, @chefl, you prove that you are not interested in reasonable answers to your questions, but only want to argue. I am now sorry that I wasted the few minutes find8ng you a good, current, article to help you out.

You know what? Plug it in, don’t plug it in, blow it up, ruin it, care for it, do whatever you would have done if you hadn’t wasted our time with this Q.

jca2's avatar

I have a Samsung and all the time, I run the battery down to zero or almost zero and I will charge it to various percentages, up to 100. My phone is two years old and it’s fine.

The Samsungs have removable/replaceable batteries.

Blackwater_Park's avatar

It’s not rocket science. Don’t let it drop to zero very often, plug it in to charge at night. It’s smart enough to handle being fully charged often. A li battery has roughly 500–1000 charge/discharge cycles before it’s really compromised. If you drop it below 20% regularly expect 500 or less. If you are like most people you get a new phone every couple of years so don’t worry about it with one caveat, avoid temperature extremes. If it’s too hot or cold for you, your phone feels the same.

Forever_Free's avatar

New technology batteries and the circuits responsible for the charge take charging characteristics in their design now.

Brian1946's avatar

@chefl “Safety experts advise to not leave things plugged unattended.” Then by all means abide by their advice. Perhaps you should unplug your refrigerator and all your clocks, whenever you go to bed or leave your dwelling. ;)

chefl's avatar

“However, all phones now are sealed. You can’t open the phone and change the battery.”
” “The Samsungs have removable/replaceable batteries.”
I’ll leave it to be discussed.

smudges's avatar

^^ No one’s that interested. As @canidmajor says, and I myself said quite some time ago, all you want to do is ask more questions and argue. Why bother if you like none of the answers ever given?

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