Your Turbo Scrub comes with our standard rechargeable batteries which give you 45 minutes of run time. The nclude additional Long Life Rechargeable Batteries with an extra 60 minutes of cleaning power for only $20.00 and FREE processing and handling. They provide 33 percent more run time than the standard battery, which can be a real convenience! Many of our customers keep one battery charging to have it handy when they have an extra big job ahead of them.