Power your LawnMaster tools with one high-power, rechargeable 40V Maximum Lithium-Ion battery. With the One Source Powers All system, you only need one battery, which means that as your garden power tools grow, so do your savings. Lithium-ion batteries aren't susceptible to battery "memory effect" like older technology and the 40V MAX Lithium-Ion battery is compatible with all LawnMaster 40V MAX products.
• The new LawnMaster 40 Volt Maximum One Source Powers AllTMsystem is built around one high power, rechargeable 40 Volt Maximum lithium-ion battery system.
• Fast Charger charges 4.0 Ah battery in 90 minutes