Einleitung
Before reading this guide, check the “Battery Won’t Charge” and the “Short Battery Life” on the troubleshooting section to see if your issue can be solved without replacement: Lenovo ThinkPad x120e Troubleshooting - iFixit
If you are going to replace the battery for the Lenovo ThinkPad x120e, you do not need any tools or special skills, just make sure to remove the battery carefully.
CAUTION: If your battery appears to be swollen, please refer to this article first before beginning the replacement: What to Do With a Swollen iPhone Battery
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Flip the laptop upside down and locate the battery latches under the battery.
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Place your thumbs on both latches and push the latch inwards.
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With your thumbs still on the latches, slide the battery out of the laptop.
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To reassemble your device, follow these instructions in reverse order.
For optimal performance, after completing this guide, calibrate your newly installed battery.
Take your e-waste to an R2 or e-Stewards certified recycler.