Amazon.com: [2-Pack] High Power 9.0Ah! Long-Lasting 18V Battery for Milwaukee M18 Cordless Tool Battery (Fit All M18 XC Red Lithium Models) : Tools & Home Improvement
SUnMilY 2 Pack M-18 Battery 9.0 Ah for Milwaukee 18 Volt Batteries, High Output 18V 9000 mAh Replacement for 48-11-1852 48-11-1850 48-11-1840 48-11-1890 48-11-1828 with 2 Holder : Amazon.ca: Tools & Home Improvement
MILWAUKEE M18 18V Lithium-Ion High Demand Battery Pack 9 Amp (2-Pack) | USA Tools & MORE
Milwaukee M18 18-Volt Lithium-Ion High Output XC 8.0 Ah Battery (2-Pack) 48-11-1882 - The Home Depot