The club have secured the deal with local businessman Rob Brown, whose companies have been loyal supporters of the Brewers during the rise from non-league to the third tier of English football.
The official kit will be kept under wraps until August 4 when it will be exclusively previewed at the FA's headquarters at St George's Park in front of the Sky cameras.
Brewers commercial director Fleur Robinson says: "We are delighted that Baytree Cars will be Burton Albion's main shirt sponsor for the coming season
"It continues a long association with Rob Brown, whose companies have recognised the importance of the football club to the town of Burton-on-Trent.
"With our promotion to League One, we can offer even more powerful benefits of press and TV publicity that can help build awareness for our shirt sponsor.
"We are also delighted to join forces with a prestigious company such as Baytree."
Rob Brown's Burton-based Anvil Hire will continue to sponsor the away shirt. Anvil Hire is a national tool and plant hire company based in Burton and can be contacted on 01283 740765.
Brown, who is a director of Burton Albion, said: "I'm always proud to link my companies with a well-respected family club like Burton Albion.
"We want to support our local football club particularly at this exciting time when we are looking forward to League One football and I'm sure that the powerful advertising benefits of being the main sponsor of the Brewers will only serve to enhance the awareness of Baytree Cars and Anvil Hire."
Baytree is an independent car dealer owned by Chris McDermott and Brown and specialises in prestige, performance and luxury cars.