Battery
Brand new out of the box...my macbook pro ...battery only last about 2 hours??
Hi,
Did you charge the battery?
If you did, resetting SMC could solve the issue.
https://support.apple.com/en-us/HT201295
If it doesn't help, you'd better contact Apple Support or make Genius Bar reservation if your neighborhood retail Apple Store is open or find opened Apple Authorized Service Provider to be examined it.
https://www.apple.com/retail/geniusbar/
https://locate.apple.com/findlocations