Description
AC Delco Heavy Duty Maintenance Free Batteries (HMF) are the high performance batteries with long life. These batteries use a special hybrid alloy system that minimizes water loss, making the battery maintenance free. Minimizing the water loss also helps in increasing the life of the battery. One of the most important features of these batteries is high cranking power. – See more at: https://www.delhibatteries.com/car-batteries-details/INA-42B20R/304/9/1/35/1#sthash.e9Yp6ZdN.dpuf
