Greenworks 24V 4Ah USB Battery 2949802AZ - Walmart.com
Amazon.com: Greenworks PRO 80V 4.0Ah Lithium-Ion Battery ((Genuine Greenworks Battery / 75+ Compatible Tools) : Tools & Home Improvement
Greenworks Pro 80-volt Max 21-in Push Lawn Mower Cordless Lawn Mower 5 Ah ( Battery & Charger Included) in the Cordless Electric Push Lawn Mowers department at Lowes.com
Greenworks 80V 4.0 Ah Lithium Ion Battery, 2-pack | Costco
Greenworks 80 Volt 21-Inch Self-Propelled Lawn Mower (1 x 4.0Ah Battery and 1 x Charger) Green 2544802/MO80L413 - Best Buy