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Fleets with heavy and medium duty trucks depend on the Maxwell Engine Start Module (ESM) for fast, reliable starting in cold and hot climates. Rugged, lightweight, and low maintenance, the Maxwell ESM takes over all heavy duty engine cranking and is used to crank diesel engines and engines running on alternative fuels, including compressed natural gas (CNG), liquid natural gas (LNG), biodiesel, dimethyl ether (DME) and propane or liquefied petroleum gas (LPG). The Maxwell ESM gives drivers the confidence to shut off and start their trucks throughout the day—helping to minimize idling and in turn reduce both fuel consumption and engine wear-and-tear.

The Maxwell ESM is by far the leading ultracapacitor-based engine starting product on the market today and offers unmatched capability in truck starting.

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Maxwell Technologies ULTRA 31/1100/24V

24V Heavy Duty Truck Engine Start Module

Maxwell Technologies ULTRA 31/900

Heavy Duty Truck Engine Start Module

Maxwell Technologies ULTRA 31/1800

Heavy Duty Truck Engine Start Module

Maxwell Technologies ULTRA 31/900/24V

24V Heavy Duty Truck Engine Start Module