Logitech K540 Battery Replacement
Spencer Day and 2 other contributors
Last updated on Nov 20, 2025
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OEM Guide
iFixit collaborated with the manufacturer to make this guide.
Logitech
Logitech and iFixit are working together to help people repair their Logitech devices.
Introduction
Go to step 1 ↓Follow this guide to replace dead AA batteries in your Logitech K540 wireless keyboard.
It’s natural for batteries to lose capacity as they age. If your keyboard dies quickly and doesn't hold a charge, it may be time to replace the battery.
What you need
Parts
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×2
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Slide the power switch on the top right corner to the OFF position.
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Flip your keyboard over and lay it down so the edge with the two tilt legs is closest to you.
Ask FixBot
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Use your finger to pull the tab near the middle of the battery cover inward, towards the center of the cover.
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With the tab pulled in, lift and remove the cover.
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Use your finger to lift the edge of the outer battery and remove it.
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Slide the second battery out of the recess and remove it.
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To reassemble your device, follow these instructions in reverse order.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
Reuse or Recycle—Never put discarded electronic parts in household waste. Visit Logitech Recycling to find your nearest recycling points, including the option to mail back old devices to Logitech for free if there’s no convenient solution in your area. You can also take your e-waste to any R2 or e-Stewards certified recycler. And don’t let good working parts or repaired devices die a slow death in your sock drawer—pass them along to someone who can use them.
Share your experience—Leave a comment here or send your feedback directly to Logitech at repair@logitech.com to help shape future repair guides and product design.
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