
Expander is added to the battery’s negative active material to improve capacity, cold cranking performance, cycle life, charge acceptance, and partial-state-of-charge cycling. Hammond offers more than 120 formulations precision-engineered to a wide variety of needs.
Quality Matters

Custom formulas to optimize cranking and high-temperature performance.
Motive Power
Deep Cycle


Stationary Float
Industrial
PSoC


Custom expander formulations to provide excellent starting capability and long cycle life.
Start-Stop OEM

Tomorrow’s battery, available today.
AGM batteries offer superior performance, with a glass mat separator that delivers up to twice the life of standard flooded batteries and unprecedented energy output even in the most demanding conditions.




