The M18™ REDLITHIUM™ XC5.0 Resistant Battery is built with a resistant housing, providing increased protection against exposure to common oils, greases, and solvents found in transportation maintenance and manufacturing environments. In addition, the M18™ REDLITHIUM™ XC5.0 Resistant Battery delivers the same best in class performance as the standard M18™REDLITHIUM™ XC5.0 battery with 2.5X more runtime and 20% more power than the standard lithium-ion batteries. Best-in-class construction: Resistant housing designed to provide increased protection against exposure to common oils, greases, and solvents All-weather performance: delivers fade free power in extreme jobsite conditions Fuel gauge onboard: Displays remaining runtime