On average an Amaron battery can last 5 or 6 years in a diesel 4WD, whereas others might only last 3 or 4 in the same application. This is why warranties have never been an issue and our customers keep coming back. Amaron is truly a ‘Dual-Purpose’ Battery, meaning it will start and cycle like a marine battery only better. For this reason, the Amaron Battery performs well in 4WDs, trucks, and boats