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crwdns2944351:0crwdnd2944351:0Microsoft Surface Laptop 4 (15-inch) Battery Replacementcrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Spencer Daycrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Spencer Day

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Introduction
Use this guide to replace the battery in your Microsoft Surface Laptop 4 (15").
***For your safety, discharge the battery below 25% before disassembling your laptop.device***. This reduces the risk of a dangerous thermal eventfire if the battery is accidentally damaged during the repair.

 If your battery is swollen, [[What to do with a swollen battery|take appropriate precautions|new_window=true]].
You'll need replacement adhesive for the battery in order to complete this repair. Strong double-sided tape like [product|IF317-072-5|Tesa 61395] is recommended.
''Some photos in this guide are from a different model and may contain slight visual discrepancies, but they won't affect the guide procedure.''
Conclusion
For optimal performance, [[Battery Calibration|calibrate your newly installed battery|new_window=true]] after completing this guide.
Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.
***To reassemble your device, follow these instructions in reverse order.***
***To reassemble your device, follow the above steps in reverse order.***
Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before you install it.
Take your e-waste to an [[link|https://www.ifixit.com/Wiki/E-Waste|R2 or e-Stewards certified recycler|new_window=true]].
Repair didn’t go as planned? Try some [link|https://www.ifixit.com/Wiki/Troubleshooting_Problems_After_a_Repair|basic [[Troubleshooting Problems After a Repair|troubleshooting|new_window=true]] or searchcheck out our [link|https://www.ifixit.com/Answers/Device/Microsoft%20Surface%20Laptop%203204%201520%222815-inch%29|Answers community|new_window=true] for help.