Greenworks Pro Cordless Lawn Mower – Costco Sale! by Rhonda June 23, 2022 *UPDATE* 6/23/22. The Costco package for the Greenworks Pro Cordless Lawn Mower includes two 4.0 Ah batteries, a rapid charger, and an extra high lift blade. Greenworks Pro 80V brushless… 0 FacebookTwitterPinterestEmail