Festool 500385 18V 2.6Ah Li-Ion Battery A larger capacity battery 2.6 Ah Replacement battery for use with all 18v or higher C-Series, T-series, BHC and PDC lithium ion cordless drills, TSC cordless tracksaw and Carvex cordless jigsaws. Includes one 18v, 2.6Ah Li-ion battery. Easy to use and long life Service All Inclusive - Three year warranty on all Festool batteries