21" Lawnmower with Twin 40v Batteries Introducing the MX51S80V twin 40V cordless lawnmower. Powered by twin 40V Li-ion batteries, the MX51S80V delivers 80V of cutting power. With its 51cm cutting width, self propelled drive system and 3-in-1 cutting system, this is sure to be another award winner. Specification: › x2 40v 5Ah Li-ion Batteries (Twin 40v) / x2 Fast Chargers › 51cm / 21" Cutting Width › Self Propelled - 60Ltr Grass Bag Capacity › 80v Brushless Motor › 3-in-1 Collect, Mulch, Side Discharge › Up to 92mins Run Time (No Load) › 25-75mm Cutting Height - 7 Heights of cut › Nett Weight: 29.3kg