Most HP laptops let you swap the battery yourself in under five minutes

You can replace an HP laptop battery without tools or technical skill on most models. The battery slides out from the bottom or back of the machine, and a new one slides in. The whole job takes two to five minutes. Some newer HP models have the battery glued in, which means you'll need to send it to a repair shop — but you can check your specific model before you buy a replacement.

The first step is finding out whether your laptop has a removable battery. Look up your exact HP model number (usually on a sticker on the bottom), then search "[your model] removable battery" or check the HP support page for your machine. If it does, you can order a replacement battery online and install it yourself. If it doesn't, you have two paths: pay HP or an authorized repair shop to replace it, or use your laptop plugged in until you're ready to replace the whole machine.

Key Takeaways

  • Check your exact HP model number on the bottom of the laptop, then search whether your model has a removable battery before buying a replacement.
  • If your battery is removable, power off the laptop completely, flip it over, and slide the battery out using the release latch or button on the side.
  • Insert the new battery by aligning the metal contacts and sliding it in until you hear or feel a click, then power on to confirm it charges.
  • If your model has a glued-in battery, contact HP support or an authorized repair center — replacing it yourself will damage the laptop.
  • A replacement battery for most HP models costs between $30 and $80 and ships within a few days from major retailers.

Finding your laptop model and checking if the battery comes out

Your HP model number is printed on a sticker on the bottom of the laptop. It usually starts with "HP" or "Pavilion" or "Envy" and includes numbers and letters — for example, "HP Pavilion 15-ab123nr" or "HP Envy x360 13-ay0043dx". Write this down or take a photo.

Go to the HP support website (support.hp.com), enter your model number in the search box, and open your laptop's product page. Look for a section called "Specifications" or "Battery" and read whether it says "removable" or "non-removable". If the page doesn't say clearly, search Google for "[your exact model] removable battery" — user forums and YouTube videos will show you whether people can take the battery out on that machine.

If your battery is non-removable or glued in, stop here and contact HP support or a local repair shop. Opening the case yourself will void the warranty and may damage the machine. If it is removable, move to the next section.

Powering down and locating the battery release

Close all programs and shut down your laptop completely. Do not just put it to sleep — press the power button and wait for the screen to go black and the lights to stop. Unplug the power adapter and wait 30 seconds for any remaining charge to drain.

Flip the laptop over so you're looking at the bottom. Look for a battery compartment — it's usually a rectangular panel with a label that says "Battery" or shows a battery symbol. On some HP models, the battery is visible without removing anything. On others, you'll see a small panel held in by one or two screws.

If there's a panel, use a Phillips-head screwdriver (usually size #0 or #1) to remove the screws. Keep them in a small cup or on a piece of tape so you don't lose them. Gently pry the panel off with your fingernail or a plastic spoon — do not use a metal tool, which can scratch the case.

Removing the old battery

Once the battery is visible, look for a release latch or button. On most HP models, there's a small plastic lever or button on one side of the battery. Push or slide it away from the battery, and the battery will pop up slightly or slide out partway. If you don't see a latch, the battery may just slide straight out — try gently pulling one end toward you.

Grasp the battery by its sides (not the metal contacts) and slide it out completely. Set it aside on a clean, dry surface. Do not touch the metal contacts on the battery or inside the laptop — oils from your skin can interfere with the connection. If you need to touch them, wash your hands first or wear a clean cotton glove.

Installing the new battery

Take the new battery out of its packaging and inspect the metal contacts on the bottom. They should be clean and shiny. If they look dirty or tarnished, wipe them gently with a dry cotton cloth.

Align the battery with the slot in your laptop. The metal contacts should face downward, toward the laptop's internal contacts. Slide the battery in slowly until you feel resistance, then push firmly until you hear or feel a click. The battery should sit flush with the case — if it's sticking up, it's not fully seated. Push again until it clicks.

If your laptop had a battery panel, slide it back on and replace the screws. Tighten them by hand — do not use a power drill, which can strip the holes.

Powering on and confirming the charge

Plug in the power adapter and press the power button. Your laptop should start normally. Once it's fully booted, look at the battery icon in the system tray (bottom right corner on Windows, top right on Mac). It should show that the battery is charging. If it shows "plugged in, not charging" or "0%", the battery may not be making good contact.

If the battery isn't charging, power off the laptop, unplug it, and remove the battery again. Check that the metal contacts on both the battery and the laptop are clean and dry. Reinsert the battery, making sure it clicks firmly into place. Plug in the power adapter and check again.

Let the laptop charge for at least two hours, then unplug it and use it on battery power to confirm it holds a charge. Most new batteries take a few charge cycles to reach full capacity, so don't be alarmed if it doesn't last as long as you expect on the first day.

What to do if your battery is not removable

If your HP model has a glued-in or soldered battery, you have three options. The first is to contact HP support and request an out-of-warranty battery replacement. They will quote you a price (usually $100 to $200 including labor) and either mail you a prepaid shipping label or direct you to a local service center.

The second option is to find an independent laptop repair shop in your area. Search "laptop repair near me" or ask for recommendations on local community boards. Independent shops often charge less than HP — typically $80 to $150 for battery replacement — but quality varies. Ask whether they use genuine HP batteries or third-party replacements, and whether they offer a warranty on the work.

The third option is to keep using your laptop plugged in. If you mostly work at a desk, this is practical. If you travel or move between rooms often, it becomes inconvenient. Many people choose this route until they're ready to buy a new laptop.

Buying a replacement battery

Order your replacement battery from a major retailer like Amazon, Best Buy, or Newegg. Search for your exact HP model number plus "battery" — for example, "HP Pavilion 15-ab123nr battery". Make sure the listing shows your model number in the title or description.

Genuine HP batteries are more reliable than third-party ones, but they cost more — usually $50 to $80. Third-party batteries from brands like Anker or Lenmar cost $30 to $50 and often work well, but they may not last as long or hold a charge as reliably. Read the reviews carefully and check the return policy in case the battery doesn't work with your machine.

Batteries ship quickly from most retailers — usually within two to five business days. If you need one urgently, check whether a local Best Buy or Micro Center has it in stock for same-day pickup.

Frequently Asked Questions

Can I replace the battery while the laptop is in sleep mode?

No. Always power off the laptop completely and unplug it before removing the battery. Even in sleep mode, there is still power flowing through the machine, and touching the battery contacts while power is on can damage the battery or the laptop's charging circuit.

What should I do with the old battery?

Do not throw it in the trash. Lithium batteries can catch fire in landfills. Take it to a Best Buy, Staples, or local electronics recycling center — most accept old batteries for free. Some retailers that sell batteries also take old ones back.

Will replacing the battery void my warranty?

If your battery is listed as removable by HP, replacing it yourself will not void your warranty. If your model has a non-removable battery and you try to open the case, you will void the warranty. Check your model's specifications before you start.

How long does a new laptop battery last?

A new battery typically lasts two to four years depending on how often you charge it and how you use the laptop. Batteries degrade over time — after 500 to 1,000 charge cycles, most batteries hold 80 percent of their original capacity. If you leave your laptop plugged in constantly, the battery will degrade faster.

What if the new battery doesn't fit or doesn't charge?

Double-check that you ordered the correct battery for your exact model number. If you did and it still doesn't fit, contact the retailer for a return. If it fits but doesn't charge, remove it and reseat it firmly, making sure the contacts are clean. If it still doesn't work after two attempts, the battery may be defective — return it for a replacement.