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Use this guide to replace the battery in your Logitech MX Anywhere 3 mouse.
Lithium-ion batteries have a limited lifespan. If your mouse dies quickly, it may be time to replace the battery.
If possible, follow this guide after your battery has fallen below 25% charge. While your MX Anywhere 3 has a relatively small battery, any charged battery is a potential safety hazard if accidentally damaged.
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Slide the mouse's power switch to the OFF position and unplug any cables.
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Flip the mouse over so the feet are facing up.
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Heat an iOpener and lay it on the mouse feet for about two minutes to soften the adhesive.
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There are small gaps in the rims surrounding each foot. This is where to insert your tool when peeling up the feet.
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Push the tip of an opening pick (or spudger) underneath the mouse foot, into the gap in the rim.
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Slide your pick under the foot and lift to remove it.
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Repeat the process to remove the three remaining mouse feet. If you're having trouble sliding the tool under a foot, reheat it and try again.
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Use a pair of tweezers or a spudger to remove any large chunks of leftover adhesive. Thoroughly clean the bottom of the mouse with isopropyl alcohol and a lint-free of microfiber cloth. Allow the surface to dry completely.
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Peel your new mouse feet off their adhesive liners and press them firmly into place.
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Use a Phillips screwdriver to remove the four 4.3 mm‑long screws securing the two halves of the mouse together.
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Gently lift the top shell off the mouse up and flip it over the right edge.
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Use the point of a spudger or a clean fingernail to flip up the small, hinged locking flap on the interconnect cable ZIF connector (located on the underside of the top shell).
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Apply a heated iOpener to the board on the underside of the mouse's top half for two minutes.
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Gently slide the tip of an opening pick under the cable to separate its adhesive.
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Use your fingers or tweezers to pull the cable straight out of its socket.
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Use a pair of tweezers (or the point of a spudger) to lift the wheel assembly cables out from under their clip on the battery housing.
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Use a Phillips screwdriver to remove the three 3.4 mm‑long screws securing the battery housing.
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Lift the battery housing up and set it aside so you can access the connector underneath.
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Insert each arm of a pair of pointed tweezers into the small cutouts on the top of the battery connector socket.
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Slowly push the connector out of its socket, just enough to grip the top of the connector with another pair of tweezers or your fingers.
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Pull the battery connector completely out of its socket to disconnect it.
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Remove the battery housing.
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Flip the battery housing over so the battery is facing down.
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Lay a heated iOpener on the battery housing for two minutes to soften the battery adhesive.
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Insert the flat end of a spudger between the battery and its housing through one of the cutouts.
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Use the spudger to pry the battery away from the housing to separate its adhesive.
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Remove the battery.
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Use tweezers or your fingers to peel all the old adhesive off the battery housing—it shouldn't leave any residue.
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If your new battery doesn't come with adhesive pre‑installed, apply a couple strips of double-sided tape to the battery housing.
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Orient your new battery so the sticker is facing up and the cables are on the short side of the housing that protrudes outward. Press the battery firmly into place to secure it.
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To reassemble your device, follow these instructions in reverse order.
For optimal performance, calibrate your newly installed battery after completing this guide.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
To reassemble your device, follow these instructions in reverse order.
For optimal performance, calibrate your newly installed battery after completing this guide.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
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I just read the procedure for replacing the batteries on my MX Anywhere 3 mouse. It is the most ridiculous process I have ever seen. Logitech why have you designed this mouse as a throwaway? It obviously wasn't designed with the ability to just replace a bad battery with a good one through a simple swap typical of standard mice. For example Logitech's M-RAA93, P/N 830918-0000 is a straight exchange of 2 AA 1.5 V batteries !
I totally agree with William!
I also agree with the comments. I really like the Mouse but this battery replacement is ridiculous. RobforSVDP
After I reassembled my MX Anywhere 3 mouse, when I turn on the switch, the LED at the back of the mouse wheel only blinks red. I have already tried charging it, but the red LED keeps blinking whether it is charging (with the power switch turned on or off) or not charging (with the power switch turned on). Additionally, the LED on the Bluetooth switch, which has 3 options to connect up to 3 devices, no longer turns on. Does anyone can help me?
I also have this exact problem. Any advice?
