The Makita 12V CXT™ Lithium-Ion Cordless String Trimmer (model RU03Z, tool only, batteries and charger sold separately) is a versatile and powerful solution with less weight for landscape cutting and trimming, but without gasoline. The RU03Z delivers 9,000 RPM and up to 38 minutes of run time on a single charge of the 12V CXT® Lithium-Ion 4.0Ah battery (sold separately). It has several advantages over gas-powered trimmers: the RU03Z has zero emissions and reduced maintenance, with no need for gas or oil. For users, the tool is always ready to use: simply load a fully-charged 12V CXT® Lithium-Ion battery and get to work. Versatility features include a telescoping shaft to adjust the length of the tool, a 180-degree rotating head with 5 adjustable positions, an adjustable loop handle, and more. It weighs only 4.2 lbs. with battery (sold separately). For longer run time, 12V max CXT™ cordless tools are compatible with the 12V max CXT™ Lithium-Ion 2.0Ah and 4.0Ah batteries (sold separately). 12V max CXT™ Lithium-Ion batteries are engineered with a Battery Protection Circuit that protects against overloading, over-discharging and over-heating. It’s part of the expanding 12V max CXT™ series, combining performance with superior ergonomics in a compact size.