https://it.ifixit.com/Guida/Acer+Chromebook+13+CB5-311-T7NN+Battery+Replacement/120732
Acer Chromebook 13 CB5-311-T7NN Battery Replacement - Guida di riparazione iFixit
To avoid electric discharge and possible damage to internal components, the battery should be disconnected from the motherboard as a prerequisite...
acer chromebook