RIDGID Like New - RIDGID 18V MAX Output 4.0 Ah and 2.0 Ah Batteries with 18V Charger RIDGID introduces the 18V MAX Output 4.0 Ah and 2.0 Ah Batteries with 18V Charger. MAX Output batteries facilitate battery and tool communication unleashing the full potential of any RIDGID 18V Brushless Tool providing more power and more runtime. The 4... $107.99 Was: $179.00 Was: Add to Cart