Ultra Truck batteries NZ, Ultra Commercial Batteries NZ. New Zealand's most respected choice for Commercial starting batteries, excellent cranking performance and proven long life. Ultra batteries are produced in one of the largest and most sophisticated battery manufacturing facilities in the world. Ultra Batteries are Endurant Batteries labelled as Ultra batteries, for those that know Endurant Batteries, you'll understand the quality. Click on any listed product to buy and/or for more information.