Comchoi cordless leaf blower- not used- two batteries

Comchoi leaf blower adopts advanced axial flow turbofan, engineered with a robust 900000 RPM motor, the cordless leaf blower ramping up the maximum air speed to an impressive 200MPH, variable speed dial up to 700 CFM for ultimate control
Cordless leaf blower comes with two 21V-4.0Ah batteries and a safe charger, leaf blower can work continuously for 20 minutes in high-speed mode (10 minutes per battery) and in low-speed mode can work for up to 150 minutes! When the battery is depleted, insert the battery into the charger and the indicator will light up red, wait until the above indicator turns green to indicate that it is full