Maxwell Engine Start Module Delivers Instant Power for Cold Weather Cranking CHALLENGE Rail yard driver Mike Deffely shuts off his truck 30 to 40 times a day when working intermodal. During Ohio’s cold winter months, his truck’s lead-acid batteries often left him stranded. “When it gets colder, the batteries aren’t cranking hard enough,” he said. “Usually you have to wait at least a half hour to charge everything up or enough to a point where you can start, and then once you’ve got it started, you cannot shut the truck off. It was a pain.” SOLUTION Deffely retrofitted his 2002 Freightliner Columbia with a Maxwell ESM. He removed one battery from the four-battery system and replaced it with one ESM, which connects directly to the starter and isolates the batteries from the starter. W

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