Super User is a question and answer site for computer enthusiasts and power users. It only takes a minute to sign up. First sign was that laptop battery led now always orange charging and never reach green charged when plugged.
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- If Your Original Laptop Battery Or Your New Xtend Replacement Battery Is Not Charging To 100%?
Charge without OS running never reaches green led too. Linux 3. My battery design capacity is mAh My battery age is 2. Is this a sign of battery degradation? Do I need to worry about that?
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EDIT : I remember before the "fall" last full capacity was about at mAh and did not degrade much by mAh at once or during days earlier. I monitored it for a while with script. This is a sign of battery degradation. If you look at the cat output, design capacity of your battery is mAh while the last full capacity is mAh. That's approximately a You should perform a battery calibration to ensure that you have current and accurate information about battery wear. Source: howtogeek.
I continued to use same battery and now I use it. Last week, it got back to normal, suddenly. I've noticed that some newer laptops have a setting that when enabled, protects the battery from being overcharged. Check your BIOS settings as this setting might be enabled. It is also possible that after an update, that Linux also protects the battery in some way. Though I can't confirm this with certainty. Laptop Battery Power Cycle:.
Below are the directions for calibrating the battery software:. Note: If your computer will not recharge the battery at all this calibration will not help. This process may cause the battery to fail permanently if you are unable to recharge the battery immediately following the discharge. Laptop Battery Calibration For Windows:. Laptop Battery Calibration For Mac:. If the re-calibration is performed correctly and does NOT fix the problem a new battery should correct the issue. Does your laptop say its charging to a certain percentage but turn off as soon as you unplug the AC adapter?
If your computer shuts down immediately after unplugging the AC adapter, your battery has failed completely.
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The most common reason this happens is that the battery ran out of power completely. Laptop batteries have a computer chip inside each battery. This chip monitors the battery status and requests a charge from the laptop when required. The chip requires a small amount of energy from the battery to continue functioning. When the battery loses all charge the computer can no longer communicate with the battery, and as a safety precaution, the computer will not allow electricity to be sent to the battery.
Mac 101: Battery not charging? Recalibration may be the answer
Without the software in the chip to restrict the flow of electricity there would be a potential fire threat, so the laptop refusing to use the battery is a safety feature. Unfortunately, this is a non-fixable state, and a new battery is the only solution. This may be an indication that you need to replace your AC Adapter. It is more difficult to charge a new battery than it is to charge an older "broken in" battery.
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Asked 7 years ago. Active 7 years ago. Viewed 6k times. Here is an image of what I see when checking the charge: The way I read this is that the Total Battery Energy by design is The other laptop does the same but up to Luis Alvarado Luis Alvarado k gold badges silver badges bronze badges. Tom Tom 4 4 silver badges 6 6 bronze badges.
After careful checking, the battery was sold as new but was an old one.
[ubuntu] My battery won't charge past 66% on my macbook
Bogie Bogie 2 2 silver badges 9 9 bronze badges. Already mentioned in the question that I did a recalibration with both. Sign up or log in Sign up using Google.