FASTEST 18V CORDLESS TIRE INFLATOR. The Milwaukee M18 Inflator delivers fast, accurate, easy inflation with the portability to take anywhere. Optimized for Passenger, Light Truck, and Other Medium Duty tires. Rated to deliver max 150PSI, the high efficiency motor tops-off 33" Light Truck tires in under 1 minute. The TrueFill Technology features an Auto-Pressure check that WAITS for the pressure to stabilize, CHECKS the system pressure, and FILLS until desired target is reached. In addition, an Auto Shut-Off feature will stop inflation at selected PSI to prevent overinflation allowing users to set it & forget it. Delivers up to 2.5X more run-time, 20% more power and 2X more life than standard lithium-ion batteries. The M18 REDLITHIUM XC 5.0 Extended Capacity Battery Pack features superior pack construction, electronics and performance to deliver more work per charge and more work over the life of the pack than any battery on the market. The M18 REDLITHIUM XC 5.0 Battery features an advanced design, protecting the pack against harsh jobsite environments. This protection routes water away from the electronics and out of the battery pack extends run-time and life by minimizing heat and prevents pack failures from vibration or drops. This unique to Milwaukee design also allows the battery to operate in extreme cold weather conditions (below O degree F/-18 degree C).