Passenger vans with heavy cooling loads
A Traveller or Urbania running a staff or school route may carry a dozen or more people, with the air conditioning working hard and the engine idling at every pickup. Rear cooling and interior lighting, where fitted, add a steady load, and the battery is asked to restart a large diesel many times a day. For vans in this role we recommend a battery at or above the original capacity and a test at each service, rather than waiting for a no-start at the depot.
