1. MoreDef's Avatar
    Hi,

    I've recently gotten into using Accubattery and doing research on what would be best for my device. Accubattery, along with other sources, have advised that you only charge your battery up to 80% and advise against letting it run below 50%. That leaves one with 30% of battery to use before having to plug in. On top of that, best battery practices advise against using your phone while it's charging, because that will also damage your battery.

    My concern is, it seems like trying to save battery severely cripples the overall usefulness and convenience of a device. Using only 30% of the battery at a time seems counterintuitive to a device that's supposedly made to last the entire day. Is it worth it to even follow these rules? I mean, what's worth more to you android users, being able to use 30% of a phone for 4 years, or using it to it's full potential for 1 or 2 years?

    I'm really thinking of deleting the Accubattery app and just sticking with my charge to 100% and letting it run down to 10% every day while getting 5-8 hours of SoT. Being paranoid about battery is becoming more of a hassle than it is a convenience.

    Thoughts?
    09-24-2019 01:05 PM
  2. Rukbat's Avatar
    Accubattery, along with other sources, have advised that you only charge your battery up to 80% and advise against letting it run below 50%.
    You can charge to 98% with no problem. That has nothing to do with the battery, it has to do with the charging chip. It's supposed to stop the charge at 100%, but if that fails, you can cook the battery and destroy it.

    50%? That gives you the longest battery life. See Table 2 at Battery University - How to Prolong Lithium-based Batteries. 45% isn't going to cut the life that much. But drop it to 10% and you'll get about 700 charge cycles from it - maybe 25% of those (175 cycles) giving you the normal time to discharge, then dropping off, until you'll go from 98% to 10% in an hour or two.

    best battery practices advise against using your phone while it's charging, because that will also damage your battery.
    No, unless it causes the battery to get warm. Intensive gaming and quick charging at the same time would probably be bad. Reading a page on a site while charging normally isn't much different from charging while the screen is blank.

    Using only 30% of the battery at a time seems counterintuitive to a device that's supposedly made to last the entire day.
    I don't know where you got the "supposed to last the entire day", but that's not how cellphones ar designed. They're designed to sell, and to sell new ones every year. (Keeping a phone for 5 years doesn't do the manufacturer any good.) No one wants to carry around a 3 pound Gel-cel battery. Lithium batteries are light and can be formed into any shape, including very thin. (Aside from solidified hydrogen [which occurs at less than 30° above absolute 0], lithium is the lightest metal.) But lithium batteries are not deep-discharge batteries. If you canb only get 6 hours from the phone, carry a charger or power pack with you. (And since a power pack is a lithium battery, run it between 50% and 98% also.)

    Is it worth it to even follow these rules? I mean, what's worth more to you android users, being able to use 30% of a phone for 4 years, or using it to it's full potential for 1 or 2 years?
    I use 55% of my battery and, since user-replaceable batteries went out of fashion, and it costs $60 or more to replace an $8 battery, it's best to use it that way. Running a battery down to 10% every charge cycle can kill it (as in "doesn't charge, and discharges rapidly") in a month or two. If you get a new phone every 5 months, and don't care that you won't get any trade-in, drop it down to 25% every time. But if you plan on keeping the phone for a while, get ready to replace batteries.

    I'm really thinking of deleting the Accubattery app and just sticking with my charge to 100% and letting it run down to 10% every day while getting 5-8 hours of SoT. Being paranoid about battery is becoming more of a hassle than it is a convenience.
    You can do that - but as I said, get ready to replace batteries. You don't need Accubattery to tell you to charge the battery when it gets down to 50% (or 45%) - install GSam Battery Monitor and set the low battery alarm.
    MoreDef likes this.
    09-24-2019 01:31 PM
  3. MoreDef's Avatar
    Thank you for the insight and reasoning behind your response and opinion. I will try GSam Battery Monitor.

    In my defense, all day battery is a term that all cellphone companies use when describing their products. So it wouldn't be entirely incorrect to believe that the product you buy should last the entire day on one charge.

    Anyway, what would be a good set of numbers to work between? Charge to 90, discharge to 55?

    Thank again. I guess I'm just confused about how there's a whole subgroup of battery enthusiasts who focus on total screen on time, often times riding their devices to single digits numbers, and there's also a group who doing charge past a certain point, don't go lower than s certain point, and charge incrementally throughout the day...and both camps obsess over battery life, but are doing exact opposite things to show how good their battery performances are.
    09-24-2019 02:51 PM

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