The Northstar NSB-AGM31, ultra high performance battery delivers superior cranking, unrivaled cycling, faster recharge, and minimal maintenance. When you drive a heavy duty vehicle, you need a heavy duty battery. Whether it’s a bus, bulldozer, long haul truck, or refrigeration unit, you need a battery that can take the punishment. NorthStar heavy duty batteries deliver more starting power and increased reserve capacity, with some of the highest CCA ratings in the industry and unrivaled vibration...