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Laptop Battery life

  1. #1
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    Default Laptop Battery life

    CAN I LEAVE MY LAPTOP PLUGGED IN ALL THE TIME??
    does doing this reduce battery life?
    googled this questions and i came up with a lot of contradicting answers but still not able to decide..
    does any one know for sure..?
    or does it require the continous dischrging and recharging??

  2. #2
    rajan1311
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    yes it does reduce battery life.
    I dunno for sure, but, its always adviced that u plug in only when ur low on battery.

    But y do u care abt battery life as u always plug ut in

  3. #3
    Platinum Member strider's Avatar
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    Always when the laptop battery reaches drastic level, you should plug it in.
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  4. #4
    Swifty
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    it is always better to charge Battery when it shows Low.

  5. #5
    Alligator itsmemad's Avatar
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    Quote Originally Posted by Antidote View Post
    CAN I LEAVE MY LAPTOP PLUGGED IN ALL THE TIME??
    Answer is NO.

    If you care about your battery, please don't always plug it in. When the battery remains charging after it's full and the temperature inside the Battery bay is high, the capacity decreases.

    It's better to discharge it till 20-30% and then, recharge it to 100%. Always try to continue this cycle.

    Once in a month, drain the battery down to 5% too.

    Also, if you plan not to use the Notebook for few days, make it sure that the battery is charged around 40% at the time when you shut it down.

  6. #6
    Its Time To Change ! deepmohan's Avatar
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    In fact there is no specific answer to this question.

    Keeping it pluged in does not reduce your battery life.

    All battery's have a specific number of recharge cycle if that is crossed then the battery will not withhold chagre, so its always suggested not to discharge the battery too much.
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  7. #7
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    correct
    Quote Originally Posted by deepmohan View Post
    In fact there is no specific answer to this question.

    Keeping it pluged in does not reduce your battery life.

    All battery's have a specific number of recharge cycle if that is crossed then the battery will not withhold chagre, so its always suggested not to discharge the battery too much.
    Battery life will go down with time.
    The only thing you should be careful about is keeping it at 100% or very low charge for long periods of time.

  8. #8
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    Battery life does get affected by overcharging so I would advise you to charge only on low battery.

  9. #9
    Its Time To Change ! deepmohan's Avatar
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    Quote Originally Posted by vaishaliv View Post
    Battery life does get affected by overcharging so I would advise you to charge only on low battery.
    All most every laptop have this facility if the battery is full it will cut the power to the battery to prevent it from overcharging and heating.

    So no issues if you keep it plugged in even if the battery is full.

    Some models and manufactures may ask or will require to remove the battery if its full and you want to use it on AC adapter plugged in.
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  10. #10
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    if u wana use ur laptop for long tym like 3-5 hour or if ur playing games with reach graphics, remove battery and run ur laptop with ac supply, ofcors battery should b removed with charged fair enuf. insan or battery dono ki sanse pehle se hi tey hoti he, so kam khao+gam khao=zyada jiyo.LoL

  11. #11
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    Hi all !

    Surely LAPTOP Battery life will be reduced when the power is pluged in !

    the basic fact is the discharged battery power is utilised for powering the laptop so when you simultaneously plug in power, the power is passed thru the battery and given to the laptop circuit ! ultimately the power cycle gets reduced in battery since the direct mains power is utilised.

    Hmmm. i have a idea .... have two battery pack one use it with power Chord plugged in surely it will go off soon, use the other while traveling, ocassionally with power plugged in !

    hope my idea works bye :shifty:

  12. #12
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    Surely LAPTOP Battery life will be reduced when the power is pluged in
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

    not true.
    remove the battery and connect the power. The laptop will work.

    So no if ur battery is fully charged it'll not be used when plugged in.

  13. #13
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    yes it reduces battery life, confirmed

  14. #14
    Its Time To Change ! deepmohan's Avatar
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    Quote Originally Posted by viksharmavik View Post
    yes it reduces battery life, confirmed
    Better if you can share the source and how you made it confirmed.

    So that others can know the truth.
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  15. #15
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    The answer is unknown, I leave my laptop charging and I have been using it for two years now, so far so good. It hasn't affected the battery in anyway and it's functioning perfectly. I think it depends on the brand, and ensuring the voltage of power your battery is receiving isn't too high, as you use it.

  16. #16
    Gold Member webworld's Avatar
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    Quote Originally Posted by gauviz View Post
    Surely LAPTOP Battery life will be reduced when the power is pluged in
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

    not true.
    remove the battery and connect the power. The laptop will work.

    So no if ur battery is fully charged it'll not be used when plugged in.
    I think what he said is right for the modern laptops. They come with an automatic system which cuts when the battery is fully charged and starts using the AC power source. Even in mobiles when a mobile is fully charged further charging is automatically cut off. But it is a confirmed fact that if you choose your battery to fully exhaust before charging it up again, it will reduce its life period too fast. Some people do that because of ignorance.

    Do you believe in old computers you are not able to use it directly through AC adapter, I mean without battery. My old Lenovo ThinkPad was not equipped to use it directly on AC.

  17. #17
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    I leave my laptop plugged in all the time and I have never had any problem with this. I have a Acer aspire 5750-6 br864, its battery is working perfectly, I bought that laptop in 2011. Based in my experience, I do not believe that to keep battery all time in charging can decrease the life time of the baterry.

  18. #18
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    Quote Originally Posted by webworld View Post
    I think what he said is right for the modern laptops. They come with an automatic system which cuts when the battery is fully charged and starts using the AC power source. Even in mobiles when a mobile is fully charged further charging is automatically cut off. But it is a confirmed fact that if you choose your battery to fully exhaust before charging it up again, it will reduce its life period too fast. Some people do that because of ignorance.

    Do you believe in old computers you are not able to use it directly through AC adapter, I mean without battery. My old Lenovo ThinkPad was not equipped to use it directly on AC.
    You're right, windows 10, I noticed when my battery is fully, it stops charging it and uses the AC power source, leaving joy battery battery fully charged

  19. #19
    Platinum Member panchabhut's Avatar
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    Aws long as you unplug the power, when NOT in use, there should be no problem. Battery gets damaged in overcharging, when the laptop is off but charging is on. As long as the laptop is on, the charging power is consumed by the laptop, so there is little effect on the battery. Nothing damages the battery more than keeping it on charging overnight in power off mode.
    I personally know this from the sharply different battery life of the same model laptops used by different persons. Those who had the habit of keeping it on charging overnight had their battery getting damaged in 2-2.5 years. Those who charging only when the laptop was powered on had their battery functioning properly for 3-3.5 years.
    webworld likes this.
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  20. #20
    Silver Member challengewriter's Avatar
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    Quote Originally Posted by panchabhut View Post
    Aws long as you unplug the power, when NOT in use, there should be no problem. Battery gets damaged in overcharging, when the laptop is off but charging is on. As long as the laptop is on, the charging power is consumed by the laptop, so there is little effect on the battery. Nothing damages the battery more than keeping it on charging overnight in power off mode.
    I personally know this from the sharply different battery life of the same model laptops used by different persons. Those who had the habit of keeping it on charging overnight had their battery getting damaged in 2-2.5 years. Those who charging only when the laptop was powered on had their battery functioning properly for 3-3.5 years.
    There isn't actual proof, you know. I do that and my battery is very fine.

  21. #21
    Platinum Member panchabhut's Avatar
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    The data quoted is based on official records of about 100 laptops of same make and model issued to different persons of the same organisation.
    Earth, Wind, Fire, Water, Consciousness.

  22. #22
    Silver Member vinisouz's Avatar
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    Quote Originally Posted by panchabhut View Post
    Aws long as you unplug the power, when NOT in use, there should be no problem. Battery gets damaged in overcharging, when the laptop is off but charging is on. As long as the laptop is on, the charging power is consumed by the laptop, so there is little effect on the battery. Nothing damages the battery more than keeping it on charging overnight in power off mode.
    I personally know this from the sharply different battery life of the same model laptops used by different persons. Those who had the habit of keeping it on charging overnight had their battery getting damaged in 2-2.5 years. Those who charging only when the laptop was powered on had their battery functioning properly for 3-3.5 years.
    It is important to remember that the new laptops have a control charge which cuts the voltage off in the battery, and the laptop only uses the energy over the electrical grid.

  23. #23
    Gold Member webworld's Avatar
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    Quote Originally Posted by panchabhut View Post
    Aws long as you unplug the power, when NOT in use, there should be no problem. Battery gets damaged in overcharging, when the laptop is off but charging is on. As long as the laptop is on, the charging power is consumed by the laptop, so there is little effect on the battery. Nothing damages the battery more than keeping it on charging overnight in power off mode.
    I personally know this from the sharply different battery life of the same model laptops used by different persons. Those who had the habit of keeping it on charging overnight had their battery getting damaged in 2-2.5 years. Those who charging only when the laptop was powered on had their battery functioning properly for 3-3.5 years.
    I think that is an interesting point. You mean to say that it doesn't matter to use laptop plugged in AC as long as the laptop is on. But when the laptop is off, it should be removed from the power socket or switched off, right? That is a good finding.

    As long as an automatic power cut off technology is present in the laptop, I think there is no issue in using a laptop plugged in a power source.

  24. #24
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    Don't plug in your laptop becuase it will shorten the battery life of your battery.

  25. #25
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    Battery of any kinds of device, from handheld devices such as mobile phone, ebook reader to tablet and laptop, is stated as 1000 times charging. Which means if you charge your device every day, your device's battery will last about three years. Charging more means you will drain battery more quickly.

  26. #26
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    Hi,

    there are two types of laptop batteries.3 cell and 6 cell.6 cell batteries can hold the charge longer.the main factor for battery drain is use of wi fi !Costlier laptops usually have 6 cell battery. I have a lenovo Ideapad netbook with 3 cell battery which is 6 yrs old now and having 1hr 30 min capacity(it was 2 hrs 30 min when new).I use the battery till the low battery audible warning sounds, then switch on the charging. anyways, keeping it on charge all the time will SURELY reduce battery life.Unfortunately there is no auto charging cut off on laptops like we have on UPS/Inverter.I feel they could include auto cut off and Temp.sensor too for the exorbitant prices they charge.

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