Greenworks, 40v, 4ah lithium-ion battery, 120 minutes charge time, 160wh, usb port, for use with all 40v greenworks tv #'s: 273255, 273258, 273260, 273262, 273264, 273266 and 273267.
WARNING: This product contains a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. www.P65Warnings.ca.gov