Maxwell Technologies introduces ultracapacitor-based engine start module for medium-duty diesel trucks
Green Car Congress
MARCH 5, 2014
The ESM ULTRA 31/900 is a no-acid, lead-free energy storage solution that weighs less than one-fourth of the Group 31 lead-acid battery it replaces in the battery bay of the truck. Unlike the batteries, the ESM has three terminals. ESM diagram. Heavy-duty version shown). Click to enlarge.
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