18V Battery for 18 Volt Ryobi CCC-1801M CCD-1801 CCG-1801M CCS-1801/DM CCS-1801/LM - Walmart.com
Amazon.com: Synergy Digital Power Tool Battery, Compatible with Ryobi CCC- 1801M Power Tool, (Li-ion, 18V, 3000mAh) Ultra High Capacity, Replacement for Ryobi BPL-1815 Battery : Tools & Home Improvement