I was doing some research on the Switch and found out there were 2 version, a 2017 version and a 2019 version and the only difference I tell is the battery life, but I didn't know there were 2 versions. Source: CNET
Original Nintendo Switch (2017)
Model number: HAC-001.
Product serial number: Begins with XAW.
Battery life: approximately 2.5 to 6.5 hours
New Nintendo Switch (2019)
The new Nintendo Switch has better life, up to 9 hours and comes in distinctive packaging
Model number: HAC-001(-01).
Product serial number: Begins with XKW
Battery life: approximately: 4.5 to 9 hours
Original Nintendo Switch (2017)
Model number: HAC-001.
Product serial number: Begins with XAW.
Battery life: approximately 2.5 to 6.5 hours
New Nintendo Switch (2019)
The new Nintendo Switch has better life, up to 9 hours and comes in distinctive packaging
Model number: HAC-001(-01).
Product serial number: Begins with XKW
Battery life: approximately: 4.5 to 9 hours
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