Sony Vaio Duo 13 Battery Replacement

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Lift the Li-ion battery gently.
Pull out the flat cable gently and then remove the Li-ion battery completely.
Background: About the flat cable. Generally speaking, the red thick line is the "+" power line; the black thick line is the "-" power line; other thin lines are signal lines.
CAUTION: Don't damage the Li-ion battery or something bad will happen, such as gas leakage, electrolyte leakage, fire, and explosion. REF: https://doi.org/10.31224/osf.io/swcyg

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