WORX Nitro Power Share 40-volt 21-in Cordless Self-propelled Lawn Mower 5 Ah (Battery and Charger Included) in the Cordless Electric Push Lawn Mowers department at Lowes.com
How to Replace WORX WA3216 MOWER batteries - YouTube
Worx Wg743 17" - 40v (2x20) Walk Behind Lawn Mower Battery And Charger Included : Target