Plugable BT-KEY3 Battery Replacement
NorthernBigDummy and one other contributor
Last updated on Jul 10, 2026
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Community-Contributed Guide
An awesome member of our community made this guide. It was not created by iFixit staff.
Introduction
Go to step 1 ↓If your Plugable BT-KEY3 keyboard is exhibiting behavior shown in above video, this take-apart and battery replacement guide may be helpful.
What you need
Parts
Tools
Video Overview
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I apologize, I missed a chance to take a picture/video of removing the hinges. Use a plastic card to slightly bend the hinges outward and then slide each leaf off.
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Use the Phillips #00 screwdriver to remove screws circled in red.
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After screws are removed, the cover should unclip using a flat plastic and can then be removed for access.
Ask FixBot
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The battery has adhesive applied to it.
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Battery is presumably below 80% (that's why you're removing it in the first place), if not please get its charge lower before gently removing.
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Bend away from case.
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Cut red and black wire leads close to battery.
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Replace with equal sized or greater battery.
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Sorry for missing pictures of the new battery, but I found a vape in the street that was 402535 and it fit fine. (40 is 4.0 mm by 25 mm by 35 mm)
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To reassemble your device, follow these instructions in reverse order.
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