Microsoft Surface Book Keyboard Battery Replacement

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Preparations for removing batteries

Grab a nonmetal bucket, and fill it with sand. (1/2 gallon should do it)
This is in case the batteries get punctured or catch fire when being removed.
If you notice that you have punctured the battery or notice a sweet, metallic smell, throw the backplate into the bucket, and move the bucket and yourself outside.
See here: iFixit Battery Safety

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