RIDGID 18V Starter Kit with (2) 4.0 Ah MAX Output Batteries and Charger with 6.0 Ah MAX Output BatteryRIDGID 18V Starter Kit with Dual 4. 0 Ah Batteries & Charger Experience unmatched power and runtime with the RIDGID 18V Starter Kit, including two 4. 0 Ah MAX Output Batteries and an 18V Charger, perfect for any job site. Designed for efficiency, these batteries provide superior power output and longevity, ensuring your tools perform at their peak, with the added bonus of a 6. 0 Ah battery for extended projects. Key Features: Power Output: MAX Output