FLEX PXE 12V/4.0 Cordless Battery is a lithium-ion high capacity battery used with the FLEX Cordless Polishers. The FLEX PXE 12V/4.0 Ah contains 12 volts and 4.0 amps, giving you up to 35 minutes of battery life. Using advanced technological advancements, the FLEX PXE 12V/4.0 Cordless Battery uses a Phase Change Material (PCM) to keep the battery cool while working, as well as extending the working time and overall battery life. The Electronic Management System (EMS) provides protection to both the battery and the tool and lead to higher efficiency. It is suitable for: PXE 80 12.0-EC; PXE 80 12.0-EC/2.5 Set; PXE 80 12.0-EC/2.5 P-Set; DD 2G 12.0-LD/4.0 Set; DD 2G 12.0-EC; DD 2G 12.0-EC/4.0 Set; PD 2G 12.0-EC; PD 2G 12.0-EC/6.0 Set; DWL 2500 12.0/18.0; RD 12.0/18.0/230