How to Replace Dead Batteries in an Apple Magic Mouse

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Put new batteries in your Magic Mouse in seconds
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This wikiHow teaches you how to replace the batteries in Apple's wireless Magic Mouse. If your Apple Magic Mouse model has replaceable batteries, changing them is easy. If you're using a rechargeable Magic Mouse (such as the Magic Mouse 2) without replaceable batteries, we'll show you how to recharge it.

Quick Steps

  1. Remove the back cover of the Magic Mouse.
  2. Remove the dead AA batteries (and dispose of them properly).
  3. Insert two new AA batteries.
  4. Place the back cover back on the mouse.
Method 1
Method 1 of 3:

Changing the Batteries

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  1. The Magic Mouse's On/Off switch and battery compartment are both on the bottom of the mouse.
    • If your Magic Mouse doesn't have a tab to remove the back cover and instead has a rectangular-shaped hole, you will not be able to remove the internal battery. This is a rechargeable Magic Mouse; to learn more, jump ahead to this section .
  2. To do so, slide the circular On/Off switch that's near the front of the mouse (on a green track) down. The green track should disappear when you do this.
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  3. This tab is at the bottom of the mouse; sliding it down toward the rear end of the mouse will cause the cover to pop up.
    • If the cover doesn't come up when you slide the tab down, use something thin (such as a guitar pick or a paper clip) to pry the cover up while holding down the tab. Be careful so you don't scratch the mouse.
  4. Doing so will remove the cover and reveal the two AA batteries inside. [1]
  5. This is easiest to accomplish if you use your fingernails or a thin plastic object to pry each battery out by its front or back end.
    • Never use a sharp metal object to remove batteries, as doing so will risk puncturing a battery or harming the mouse's internal components.
  6. Both batteries will have the "+" ends facing the front of the mouse and the "-" ends toward the rear of the mouse.
  7. You'll need to make sure that the slot for the black tab is aligned with the black tab at the bottom of the mouse.
  8. This will snap the cover back into place.
  9. Doing so will reveal a green track, and a small light in the top-right corner of the mouse's underside should come on, signifying that your mouse is on.
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Method 2
Method 2 of 3:

Charging a Magic Mouse 2 or 3

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  1. While you can't remove the Magic Mouse 2 or 3's battery, you can recharge it when its battery is low.
  2. This port is toward the bottom of the mouse's underside. It's a small, thin, rectangular hole.
    • Your mouse should have come with its own charger, though you can use any Lightning charger to charge it.
  3. The wall socket side of the charger cable's power adapter, which resembles a white cube, has two prongs that should fit into the wall like any other standard plug.
    • If you want to charge your mouse using your computer, gently tug the cable away from the power adapter and then plug the USB end of the cable (the end which was attached to the adapter) into one of your computer's USB ports.
  4. This end goes into the Lightning charging port at the bottom of your mouse's underside. [2]
    • It doesn't matter which side of the Lightning charger is facing up or down when you plug it into the mouse.
  5. Doing so will ensure that your mouse is fully charged by the time you take it off of the charger.
    • Your mouse will likely charge faster if you plug the charger into a wall socket than if you use a USB slot.
    • You may want to keep an eye on your mouse's battery life to ensure that your mouse doesn't die at a bad time.
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Method 3
Method 3 of 3:

Checking Battery Percentage

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  1. To do so, simply move the mouse around and look for a response from the cursor on your Mac's screen.
    • If your mouse isn't connected, it may not be on. You can turn on your mouse by flipping it over and sliding the switch near the front of the mouse up so that it displays green.
  2. It's in the top-left corner of your Mac's screen. Doing so will prompt a drop-down menu.
  3. This option is near the top of the drop-down menu.
  4. It will be in the menu on the left side of the System Settings window. Or, if you're using an older version of macOS, you'll see this option in the second row of options in the System Preferences window.
  5. It's in the bottom-left corner of this window; you should see a battery icon here, with the percentage of your mouse's remaining battery life listed to the right of the battery icon.
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Community Q&A

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  • Question
    How can I remove a battery cover that is stuck?
    Community Answer
    Hold down the cover release tab, then wedge a firm, thin object into the space between the mouse's body and the cover, and pry the cover up. You may need to use something like a flathead screwdriver to do this, though you'll need to be extremely careful not to accidentally nick the batteries as you pry.
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    Not Helpful 3 Helpful 8
  • Question
    How should I connect my Magic Mouse?
    Community Answer
    Make sure the mouse has batteries and is turned on. Go to System Preferences, press "Mouse," and press "Set Up Bluetooth Mouse." Click the mouse you are using.
    Thanks! We're glad this was helpful.
    Thank you for your feedback.
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    Not Helpful 2 Helpful 5
  • Question
    What do I do if my mouse keeps going on and off?
    Community Answer
    Various fixes such as putting tin foil at the positive end or scratching the contact areas provide temporary relief. Look carefully at the positive contact on the mouse. One may be recessed into the housing. Fill the space with some conducting material and it may work.
    Thanks! We're glad this was helpful.
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      References

      1. ↑ https://support.apple.com/guide/mac-help/change-magic-mouse-batteries-mh29201/mac
      2. ↑ http://appleinsider.com/articles/15/10/13/apples-redesigned-magic-mouse-2-magic-keyboard-gain-integrated-batteries-lightning-ports

      About This Article

      Article Summary X

      To replace batteries in an Apple Magic Mouse, start by flipping the mouse over and turning it off by pushing down the on/off switch. Then, push the black battery tab downwards to open the cover. After you’ve removed the cover, take out the 2 AA batteries with your finger. Next, put 2 new batteries in the mouse, making sure the plus ends point towards the front. Finish by clipping the battery cover back into position and turning the mouse on. For tips on how to recharge the Magic Mouse 2, keep reading!

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