Use power adapter instead of battery

Unfortunately, there isn't any other way to bypass having the battery connected. Note that when the battery reaches 100% charge, the power adapter quits charging the battery.

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Sep 08, 2025

Does a laptop use power from the battery if its plugged in or

I answered all three, the first question varies wildly from PC makers or series of laptop. Ultrabooks typically use 45W power adapters as processors rarely use more than 35W so your peak charge to discharge rate of the battery will vary much more, a gaming laptop/mobile workstation will use a 200-250W power adapter to factor in the GPU using 125-150W so there is more headroom to

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Mar 02, 2026

How to force Ubuntu use AC power instead of laptop battery

Is there anyway to force Ubuntu use ac power instead of laptop battery? I don''t want to use battery sometimes. battery; Share. Improve this question. Follow edited Feb 18, 2021 at 14:29. user833907 asked Feb 18, 2021 at 9:08. Mahdi Yaghoubi Mahdi Yaghoubi. 3 2

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Sep 29, 2025

macbook pro

Sometimes, when I use it with the (original) adapter, it says that the power source is power adapter, but the battery is still draining and not charging: This is a huge problem as the level of charge can become very low before I even notice it. Also, I''m not doing any resource-intensive work. As an experiment I left it running and observed the

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May 06, 2026

Can I Use a 90W Adapter Instead of a 45W Laptop? Exploring Power

A 90W adapter may charge the laptop faster, but it can also put more stress on the battery. The increased power supply can cause the battery to degrade faster, reducing its overall lifespan. Additionally, using a higher wattage adapter for prolonged periods may make the battery drain faster during regular use, requiring more frequent charging

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Sep 08, 2025

using power adapter without battery g750JX, safe or not safe?

Hello, I searched the forums and the general consensus seems it''s safe to use the power adapter with the battery removed. I had my last ac adapter plugged into a surge protector and the sucker finally gave out after about a year. I have a nice, brand new APC 700 or 800w 1080va with AVR and I''d like...

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Jan 05, 2026

How to use a 100W PD adapter like a full AC adapter and not

However, today I started having an issue only when the battery was charging and I was using that laptop. It surpassed the 100W of the charger and started cycling between AC power mode and battery mode. Once the battery was charged, there was no issue. First time I''ve had the issue, hopefully it was a one time thing.

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Jul 10, 2025

Any way to use external power for multi-meter instead of the 9V battery?

I have read discussions on NOT to use external power, say an ac adapter, instead of the 9V battery. But what if I mostly do is to test for continuity, would it be acceptable in such case? What other alteratives are possible, such as the 6 x1.5V cells battery case or most recently, use Li rechargeable battery (for phone use) (2 x5V or what?

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Oct 29, 2025

How to use only ac adapter and not battery?

To my understanding, having the ac adapter plugged in when the battery is at 100% quickly shortens the battery shelf life. Since I can''t remove the battery, is there a way to

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May 10, 2026

Force MacBook Pro to use power adapter as

I am using my Mac as an alarm clock for the time being and to do that I need my Mac to never sleep overnight. So, my Mac needs to be plugged in constantly overnight. To practice good battery health techniques, is there a way to force my MacBook to not have the cord charge the battery, but to just use the wall adapter as a power source.

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May 28, 2026

MacBook Air M2: Power Adapter vs Battery : r/macbook

Hi MacBook family, I recently bought a MacBook Air and I am loving it. Huge upgrade from my 2016 MacBook Pro. I just have a quick question about either using it with the power adapter vs using battery and using the power adapter to charge

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Mar 22, 2026

MacBook Air: Power Adapter vs Battery, How to Prolong Battery

I recently bought a MacBook Air and I am loving it. Huge upgrade from my 2016 MacBook Pro. I just have a quick question about either using it with the power adapter vs using battery and using the power adapter to charge it when the battery is low (like around 50-60% battery). I keep seeing mixed advice online as well.

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Oct 31, 2025

Force Mac to use Power Adapter as Power Source

I just bought a new MacBook Pro 2015 15" and I really want the battery to stay healthy. Is there a way to force my Mac to use the Power adapter as power source, instead of

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Sep 10, 2025

How to choose Mac''s power source as the c

keeping macbook always connected to a power adopter will effect the battery can i keep my mac always connected to power adaptor will it effect the battery of my mac or not when i start using mac for sometime i use it on battery like 10 % (i will use it from 90% to 80 % ) so create some activity in battery and then connect to a power outlet when charge was at 80%

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Jul 17, 2025

Can I make my laptop run on ac instead of battery power

Charge cycles are when you charge a battery and then unplug and discharge it to 0%. Every time that''s a cycle. You shouldn''t have to worry about leaving your laptop plugged in as nothing bad should happen. Either way your laptop''s design may not let it run off of A.C power instead of the built in battery.

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Jan 12, 2026

Dead battery

Anything happens to that power adapter (i.e. a slight jiggle in the connection, a sudden surge in power draw from the processor, performance loss of the battery pack) and anything you haven''t saved or are actively processing (think critical

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Jul 18, 2025

Nighthawk M6 mr6110-1s4mes (Use the supplied power adapter

Solved: My problem is when I try to operate the device only via the cable without using the battery, I receive a message in the device stating (Use (Use the supplied power adapter when operating without battery) even though I use the cable and power adapter that came with the device . Solved! Go to Solution. NETGEAR. 5G WiFi 6 Mobile Router

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Apr 07, 2026

How to force laptop to use AC power instead of battery when

Can''t seem to find a setting for that in Windows 11, and not sure how to navigate and find it in the BIOS. I am using an MSI Vector GP68 12v. I do have the battery efficiency mode where my battery charges only from 50%- 60%, but since I run my laptop docked as a desktop replacement, I am thinking just forcing it to run on AC power will be better for the longevity of the laptop.

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Dec 12, 2025

Power source: power adapter, battery is not charging : r/mac

Power (system information) shows AC power at 15w. I also tried a 65w AC adapter from Lenovo and even if it recognises the actual power output, the same message appears when clicked on the battery: battery is not charging. Is this how these MBA computers work? Do they only charge using the original adapters?

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Sep 22, 2025

Using a 9V battery instead of a DC power supply

I have a DC power adapter that has the following specs: Input Voltage: 100-240V AC, 50-60Hz, 0.5A Output Voltage: 9V DC, 1.5A I am interested in taking a 9V battery and a snap adapter so I can use my device

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Mar 02, 2026

Bosch power tube adapters to convert 750hw chamber to smaller battery

D) Take advantage of sales of different sized batteries. Currently I could purchase a 500hw for $835nzd instead of the retail price of $1235nzd. An additional 750wh from Pole costs $1832 nzd. E) If I have a second battery it makes perfect sense to have a smaller/lighter battery. Also on big bike park days I would use about 1200hw of battery

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May 20, 2026

How To Use Any Brand Battery With Any Power Tool: A Universal

Confirm voltage compatibility with the targeted power tool. Recognize that using adapters may void warranties or present safety risks. Existence of Universal Power Tool Battery Adapters. A universal adapter for power tools would allow for cross

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Jun 05, 2026

Use power bank instead of laptop battery? | Tom''s Hardware Forum

I have an old HP Probook from 2010 that have a bad battery. I was wondering if I could buy an external laptop battery/power bank and use it instead of the laptop battery. The laptop battery is removable and I currently use it only when connected through the power brick. Could the external...

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Jun 11, 2026

Is it harmful to keep the MacBook Pro adapter plugged in all

to keep things short, al dente basically does everything you can do automatically. one of the biggest factors is not leaving batteries at a high voltage (charge) for extended periods of time. with lithium batteries, there is something called "storage voltage". if you don''t plan to use a battery for a long time, you should discharge and power off somewhere around 60-70% of the batteries

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Oct 19, 2025

Using power supply instead of battery on phone : r/diyelectronics

What I did was I carefully peeled off the battery tape, cut the connections between the battery and the little circuit board (take care to not short them!) and then connected my power supply to where the battery used to be connected. If you want to be careful, do it outside, on a non-flammable surface like concrete, but if you do it right, the battery itself shouldn''t take any damage.

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Jul 03, 2025

Touch2O™ Faucet using a generic power adapter instead of using

No, you cannot rewire the supplied battery pack (RP78389) for a power adapter, or use an off-brand power adapter plugged into the electronics module. The faucet is only designed for use with a battery pack or Delta Faucet 9V Power Supply (EP73954 or EP102157).

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Apr 11, 2026

Windows Laptop

1.) Remove the laptop battery when at home, put it back in when travelling. 2.) Some software to force bypass charging the battery when on AC power, so the wall power is

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Sep 03, 2025

Can I make my laptop run on ac instead of battery power

Hi, I have an Acer Aspire E15, and it has a non-removable battery unlike my old laptop, where you could just take it out. Is there anything I can download for Windows 10 to

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Jul 10, 2025

How to use laptop in ac power supply mode without removing

Ideally when you have the AC adapter connected system does not use the battery.Once the battery is 100% charged power supply to the battery is automatically cut

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Feb 10, 2026

Can I force my macbook pro 2021 to use po

Can I force my macbook pro 2021 to use power adapter instead of battery. It has an ''X'' on the battery symbol. The battery is not charging. I want to make a time machine backup, however the message is that the because the battery power is too low it cannot back up to time machine. I want to backup before heading to a apple repairer..I also

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Dec 30, 2025

How to use adapter power instead of battery to save its life?

I wouldn''t go overboard to save your battery life, but here are a couple of suggestions you should consider: https://

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Aug 29, 2025

Battery Adapter for Power Tools: Enhance Versatility

When using battery adapters for power tools, it''s essential to consider voltage compatibility, cross-brand compatibility, pin arrangement, performance impacts, cost vs. performance, and warranty issues. Cost

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Feb 19, 2026

Using Laptop with only Adaptor power

Sometimes, I run demanding tasks that consume a lot of battery power. Additionally, charging the battery generates a noticeable amount of heat. Since I always have

Guide
Jan 25, 2026

plugged-in laptop starts using battery instead of AC

ASUS K95VB, Win2008 64bit > ASUS adapter ADP-90YD B is plugged in, battery charged up to 100% > I want to continue using the computer being plugged in, but after some time (randomly? not sure) it stops > using AC power and starts using the battery again > I have to phyically unplug the adapter...

Guide
Jun 09, 2026

I only use my laptop with the power adapter plugged in. Is

yes, because you see, your battery ''charger'' isnt actually a charger, its a power supply. What happens when your system is plugged in is that the power is divided by the PMIC (Power Managment Integreted Circuit), inside your device that will supply power to the load (to running your system) and any leftover power will then be used to charge the battery.

Guide
Apr 26, 2026

Run laptop off AC power without charging battery

Both of my laptops (HP Pavilion dv6z-3000 and Clevo P157SM) can run without a battery attached. To test whether this can be done safely, turn off the computer, remove the

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May 26, 2026

Is it possible to route the power form the ac directly to the

Is it possible to route the power form the ac directly to the cpu instead of the battery? Is it true that my C batteries will get charged in my amp if use the power adapter with it? comments. r/WindowsHelp. r/WindowsHelp. Ask any questions about Windows and get help here! For issues unrelated to Windows, use r/TechSupport

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Apr 26, 2026

Using a 45W adapter instead of 60W : r/macbookpro

(No, the battery won''t degrade if it is always fully charged''). You can check the amount of cycle counts and health of your own battery by clicking the Apple tab in the top left corner, hold ''Options'' key and click ''System Information''. The ''Power'' tab will show all information about your battery.

Guide
Sep 01, 2025

How to use AC Power Adapter instead of battery

You can instead limit the percentage to "maximum lifespan mode" via the app, this will avoid the battery overcharging when plugged in and will utilise ac power : https://

6 Frequently Asked Questions about “Use power adapter instead of battery”

Can a laptop use a battery only?

Few laptops are designed to use the battery only and few can also power on with AC charger. Example: 1) AC Charger --> Battery --> Laptop motherboard 2) AC Charger --> Battery and Laptop motherboard You can do a simple test: Remove the Laptop Battery and only connect AC Charger and try to power on, see if it works.

How to disable battery charging while AC adapter connected?

Ideally when you have the AC adapter connected system does not use the battery.Once the battery is 100% charged power supply to the battery is automatically cut off.However if you want to disable battery charging while the AC adapter is connected,you have a option in Battery Meter (in Control Panel or click on battery icon on taskbar).

Does the AC adapter damage the battery in a Dell laptop?

Once the battery is fully charged, the Dell laptop will continue to use power from the AC adapter." Our family doctor has a Dell laptop in each examination room as she went "paperless" over 2 years ago. The AC adapters are plugged in all the time and it (apparently) has not harmed the batteries. Thank you. That's helpful!

Does battery stop charging if AC adapter is connected?

Once you enable that option battery will stop charging even if the AC adapter is connected,however once you reboot the system,battery will automatically start charging normally. Hope this helps, Thank You

Should I remove the battery if I'm running on AC power?

In the end, we decided to not use this functionality for the following reason: If you want to wear down the battery less because you will mostly be running on AC power, simply consider removing the battery altogether and only use it with AC power.

Is it a waste if the adater doesn't use battery power?

Thought that if the machine still is fully functioning without any help of battery power as long as it's plugged in, it'd result saving battery's life span significantly. I feel it just a waste if the batteries still need to be consumed even when the machine could use the power from the adater.

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