Amazon.com: Synergy Digital Power Tool Battery, Compatible with Ryobi CMI-1802M Power Tool, (Li-ion, 18V, 3000mAh) Ultra High Capacity, Replacement for Ryobi BPL-1815 Battery : Tools & Home Improvement
3000mAh for CMI 18V Ni MH Battery pack CD HL-B180Q1 electrical tools for self-installation