Milwaukee M18HB5 18V 5.0Ah XC5 High Output Li-ion Battery

Delivers up to 50% more power than the M18™ REDLITHIUM™ 5.0 Ah battery
Runs up to 50% cooler than the M18™ REDLITHIUM™ 5.0 Ah battery
Improving the productivity on the job site while keeping roughly same size and weight of the battery vs. the M18™ REDLITHIUM™ 5.0 Ah battery

Enhanced onboard fuel gauge with readability in direct sunlight
REDLINK™ overload protection electronics in tool and battery pack deliver best in class system durability
Compatible with all M18™ tools in the range