M18 18-Volt Brushless Cordless 1/2″ Mud Mixer Kit w/Charger. M18 18-Volt Lithium-Ion Brushless Cordless 1/2 in. Mud Mixer Kit W/(2) 5.0Ah Batteries, Charger Tool Bag The M18 Mud Mixer with 180 handle is the industry first dedicated cordless solution that delivers the performance and durability to fully replace corded mixers. With the POWERSTATE Brushless motor it has the power to mix compounds, such as concrete and mortar. Using our RE’sINK intelligence the variable speed dial, the variable speed trigger and the lock on combine to give the user ultimate control for a consistent mix and cleaner working environment. With the M18 RE’sITHIUM battery the user can mix up to 15, 5-Gal buckets on one 5.0Ah battery.