Chloride Exide PowerLast NS70MFR Maintenance-Free Battery ​The Chloride Exide PowerLast NS70MFR is a high-performance, maintenance-free car battery designed to deliver maximum starting power and long-lasting durability. Engineered with advanced Calcium-Calcium grid technology, it offers superior resistance to vibration, minimal self-discharge, and instant cold-cranking performance for medium to large passenger cars, SUVs, and commercial vehicles requiring a Right-hand positive terminal setup