RIDGID 18V 8.0 Ah MAX Output EXP Lithium-Ion Battery AC840080 - The Home Depot
Amazon.com: Ridgid Genuine OEM AC840085 Twin Pack of 1.5 Amp Hour 18V Compact Lithium Ion Power Tool Battery with Onboard Fuel Gauge and Flat Standing Base (2 Batteries) : Tools & Home Improvement