BLACK+DECKER 40V MAX String Trimmer and Edger Kit, Cordless, 13 inch, 2-in-1, Battery and Charger Included (LST140C)

High-performance 40V MAX* Lithium Ion battery with state of charge indicator shows you how much power you have left at all times

POWER DRIVE high-torque transmission gives you cutting power at the string, for clean, fast cuts

Convenient and versatile, it converts from trimmer to edger in seconds

The AUTOMATIC FEED SPOOL - AFS automatically feeds trimmer line as needed, with no bumping to interrupt your work

Maximum initial battery voltage (measured without a workload) is 40V. Nominal voltage is 36.