WORKS WITH 12V MAX CXT TOOLS. Charges 12V max CXT Slide-Style Batteries. Charger communicates with the battery’s built-in chip throughout the charging process to optimize battery life by actively controlling current, voltage and temperature. Charging status lights indicate the time it will take to charge a CXT battery. Charges a 12V max CXT Lithium-Ion 1.5Ah battery in only 50 minutes. Charges a 12V max CXT Lithium-Ion 2.0Ah battery in only 70 minutes. Charges a 12V max CXT Lithium-Ion 4.0Ah battery in only 130 minutes. Wall mountable to maximize work space. Part of the expanding 12V max CXT series, combining performance with superior ergonomics in a compact size. Not compatible with 12V max pod-style batteries. 3-year limited warranty. Only use genuine Makita batteries.