How to replace the battery in a Lenovo ThinkPad X1 Carbon 3rd gen

Open the back of a 3rd generation ThinkPad X1 Carbon and swap the internal battery for a new one. It suits anyone comfortable with a small screwdriver and a plastic pry tool. You need the correct replacement battery and a charged screwdriver bit set.

Lenovo ThinkPad X1 Carbon 3rd Generation Disassembly Battery Replacement Repair Quick Look Inside, by It's Binh (Been) Repaired & Everything Reviewed on YouTube. 11 min 14 s.

Video length
11 min 14 s
Time to do it
30 minutes
Difficulty
Medium
Steps
9

What you need

Steps

  1. Power off the laptop and unplug the charger. Hold the power button for a few seconds to drain leftover charge.

  2. Flip the laptop over and remove the eight or so Phillips screws from the bottom cover. Keep them in a cup so they do not roll away.

  3. Slide a plastic pry tool into the seam along the back edge and work around the cover. Lift the bottom panel off slowly.

  4. Find the battery connector on the motherboard. Unplug it by pulling the connector straight out, not by tugging the wires.

  5. Remove the screws holding the battery in place. Count them as you go so you can put them back in the same spots.

  6. Lift the old battery out of the chassis. Note how the cable is routed so the new one sits the same way.

  7. Set the new battery in place, route the cable, and screw it down. Plug the connector firmly into the motherboard.

  8. Press the bottom cover back on until the clips click. Refit the screws and tighten them in a cross pattern.

  9. Plug in the charger and power on. Check that the laptop recognises the battery and charges normally.

Tips and common mistakes

Work on a clean, flat surface and keep screws sorted by location, since lengths can differ.

Do not force the battery connector; it only fits one way and can be damaged by twisting.

If the laptop does not see the new battery, unplug and reseat the connector before assuming the battery is faulty.

Questions

Do I need to disconnect the battery before removing it?

Yes. Unplug the battery connector from the motherboard first so no power is flowing while you work.

Will I lose my data when I change the battery?

No. The drive stays in place, so your files and settings remain. Back up anyway before opening any laptop.

How do I know which battery to buy?

Match the model number printed on the old battery and confirm it fits the 3rd generation X1 Carbon.

This guide was drafted from the video's details and general task knowledge. It has not been checked against the full video. Check the video and relevant product instructions before following a procedure. Report a correction.

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