Take charge of the yard with the Toro Flex-Force Power System 60V Lithium-Ion battery. Get maximum power, performance and runtime from the intelligent battery software. The Flex-Force Power System automatically optimizes the interchangeable battery's performance for each product/application, so you always get the most out of your experience. When it comes to reliability, Toro delivers replacement parts designed to the exact engineering specifications of our equipment. For peace of mind, insist on Toro genuine parts.