FLEX Li-Ion Rechargeable Battery Pack 10.8V 2.5Ah
Don't forget to register for your FLEX 3 Year Extended Warranty here:
https://warranty.flex-tools.com/
Battery pack for FLEX 10.8V Tools
Integrated charge & discharge protection.
Battery charge indicator.
Dust & Splash protection.
Electronic Management System (EMS) protect battery pack, extends service life and increases efficiency.