Milwaukee m18 fuel 7in. Variable speed polisher is world's first cordless full-size rotary polisher. By harnessing power, performance and run-time of m18 fuel technology, this tool delivers corded performance that allows users to power through most demanding applications. At more than 1 lb lighter than corded and ability to deliver total control through a variable speed dial and trigger, m18 fuel polisher frees users from extra work, distractions, paint damage, and inconvenience caused by cords. Paired with m18 xc 5.0 batteries, m18 fuel polisher can complete a full size car on 1-charge when working on moderate to good paint. M18 fuel polisher is equipped with a rubber over mold front housing to protect paint from scratches in use as well as a removable dust cover to protect motor and electronics from wool fibers and residue. M18 fuel polisher is designed to distribute more of its weight over pad, providing natural pressure on surface area and more.Milwaukee m18 redlithium xc5.0 battery delivers up to 2.5x more runtime, 20% more power and 2x more recharges than standard lithium-ion batteries. Lithium-ion battery pack features superior pack construction, electronics, and performance giving you more work per charge and more work over pack life than any battery on market. Rechargeable battery offers 5.0 amp-hours of runtime.