M12™ FUEL™ takes 12 V technology to the next level of performance. Milwaukee® M12™ FUEL™ features a POWERSTATE™ brushless motor REDLINK™ Plus™ electronic intelligence and REDLITHIUM™ battery technology, resulting in longer motor life, more runtime and more power. The POWERSTATE™ brushless motor works harder and lives longer than all leading competitors, while reducing noise and cooling more rapidly to deliver years of maintenance free performance. The M12™ REDLITHIUM™ XC4.0 battery provides up to 4X more runtime than standard Lithium-Ion batteries. REDLINK™ Plus™ intelligence hardware and software is the world's most advanced system of cordless power tool electronics that will maximize performance and protect your investment.