Standard Single Battery [1 Hour Battery Life + Remote Control Battery Screwdriver + 10-Year Warranty + Replacement if Broken]Recommended Dual Battery [2-Hour Runtime + Remote Control Screwdriver + 10-Year Warranty + Replace-It-If-It-Breaks Policy]Enjoy Three Electricity [3 Hours of Battery Life + Remote Control Battery Screwdriver + 10-Year Warranty + Replacement if Broken]Official Standard Configuration
