Introduction
Here's how to replace a dead Surface Go 2 or 3 battery. This is a difficult repair as both the screen and battery are glued in place. Make sure you order the right battery as well as replacement adhesive!
Battery part number: DYNU01 (Go 2) or G16TA047H (Go 3). Both use the same connector, but a Go 1 battery will not work as the connector is different
What you need
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Follow the steps in the screen replacement guide up until you have removed the screen
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Be careful not to crack the screen or damage the touchscreen cables
Ask FixBot
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Remove two Phillips 00 screws from the battery connecter
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Lift up the connector and insulate it with tape, so that you don't accidentally reconnect the battery
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Use 99% isopropyl alcohol or Ifixit adhesive remover to soften the adhesive under the battery
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Tilt the device to make sure the adhesive remover flows underneath the battery, and leave it for 1-3 minutes
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Use a plastic card or thin cutting wire to slice up the adhesive. Most of it is concentrated in the middle of each cell. Using a suction cup to pry on each cell can also help.
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Peel off the old adhesive tape and clean the area with more isopropyl alcohol
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You should also remove the old screen adhesive, both on the case and on the screen itself
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Place new double-sided adhesive on the replacement battery, and press down to stick it in place
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Install the screws onto the battery connector
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Apply new adhesive to the screen, reconnect it, and apply firm pressure to adhere it
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