About Energy1 Batteries

Energy1 proudly manufactures our advanced marine batteries with Absorbed Glass Mat technology here in the United States. Our expansive dealer network ensures there is always somewhere to get the reliable and affordable peace of mind that a new Energy1 battery provides, from the South Florida coastline to New England!

Energy1’s parent company Western Branch Diesel is a family owned and operated business and has been serving the diesel engine industry for 70 years with 10 branches in 5 states. The home office in Portsmouth, Virginia, along with their branch in Beaufort, North Carolina, provide marine service and maintenance for MTUDetroit Diesel, Volvo Penta, Westerbeke and John Deere. The full-service departments in these marine centric branches are supported by a qualified parts department which stocks thousands of parts including a wide array of AGM batteries from Energy1.

Energy1 Spec Sheets

Get to Know our Lineup of Premium Marine Batteries

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Energy1 AGM Advantages

Group Size Marine Batteries

Specialty Marine Batteries