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Is Running a Laptop Without a Battery Safe for You and the Device?

One of our readers has posed this question on the groovyPost forums and, since quite a few people seem to be wondering the same thing, I’ll try to give an answer.

Laptop no battery

Life Without a Laptop Battery

I had a laptop that had a faulty battery, so I removed the battery and continued to use the laptop on AC power, as it rarely left the house. The fact that it almost never left the house made me give up on the idea of buying a new battery for it. It’s mainly being used as a desktop replacement.

Did it affect the computer performance or harm it in any way? No, it did not. Did it continue to work just as before? Yes, it did.

There is no reason why a laptop wouldn’t work just fine without the battery in it, as long as you take a few aspects into account.

First of all, make sure you’re using the original power adapter that came with the laptop. Power variations could cause components on the laptop’s motherboard to fail, which is something that the battery can prevent, by acting the way a UPS would.

And speaking of power, you probably shouldn’t use a laptop without a battery if you live in an area where high-intensity electrical loads are likely. If you know that you don’t have good quality electrical current, don’t do this, or use a UPS too. That way you can make sure that your laptop doesn’t suffer any damage in the event of a high load. Not to mention a UPS is essential anyway as you won’t lose your work in the case of a power outage, and they act as a surge protector too.

Another important thing is never to remove the power cord from the laptop when the laptop is working, as that could cause damage to its components.

Also, don’t touch the battery contacts when it’s plugged in. They are well hidden in the case of most laptops, but you could get a bit of a  jolt. It’s pretty low-voltage — most of them are at 24V maximum.

And remember only to take out the battery when the laptop is turned off and unplugged.

Battery Care

If you’re doing this in order to protect your battery, which makes sense if the laptop doesn’t go anywhere and only sits on your desk, make sure you charge the battery to around 40% before taking it out and storing it. To maximize its life, you can store in your fridge, in a Ziploc bag.

If you don’t want to do that, you should at least do a full charge-discharge cycle periodically. This should prolong your battery life.

Conclusion

As long as you take some common sense precautions, using a laptop without its battery shouldn’t cause any problems — just make sure that you use a rubber band to prevent the power adapter from falling off the table.

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2 Responses to Is Running a Laptop Without a Battery Safe for You and the Device?

  1. David Spector March 2, 2015 at 10:31 am #

    Modern ion-transport batteries do not need discharge-recharge cycles, not even one little bit. Discharging all the way for long life was needed only for early rechargeable (nickel–cadmium, NiCd,or NiCad) batteries.

  2. Toni May 27, 2017 at 11:45 pm #

    Hello! This is completely informative. Now I know why mine doesn’t turn on. What’s the best thing to do to a motherboard failure which is caused by an AC adapter that is not the laptop’s original adapter?

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