The first and only cordless Worm Drive Skilsaw gives you legendary SKIL power to go anywhere. Powered by the TRUEHVL™ battery, designed specifically for our legendary Worm Drive saw. The brushless motor responds to challenging applications by boosting power and torque, and all-magnesium construction makes it lightweight and tough. TRUEHVL™ features a unique battery design that maximizes heat dissipation, patented Stay Cool™ technology that wraps each cell in a temperature controlling material, and intelligent power management that monitors and optimizes each cell. Together, these innovations deliver the ultimate in performance and 425 cuts per charge. Go from zero to full charge in only 1 hour. Get all the power you need, from the ONLY cordless Worm Drive Skilsaw. SKIL has redefined power. Again.