Now through July 31st receive a 3rd battery (DCB120) FREE with your purchase of the DCK211S2 - a $49 VAULE. Part of DEWALT's New 12 Volt Max Lithium Ion Cordless System. The 12 Volt Max System provides users with compact and lightweight tools that stand up to the job. 12 Volt Max Lithium Ion is lightweight, yet powerful option that compliments the DEWALT 18 Volt Cordless System of Tools. The Combo Kit includes both the 12 Volt Max Screwdriver and 12 Volt Max Impact Driver. The Kit ships with the (1) Drill/Driver, (1) Impact Driver, (2) 12 Volt Max Batteries, (1) Fast Charger, (1) Bit Tip, (2) Belt Hooks and Contractor Carrying Case.