Lipower 6.0AH Lithium Battery Replace for Milwaukee M18 Battery Compatible with Milwaukee Battery 48-11-1850/48-11-1852/48-11-1840/48-11-1828/48-11-1820, M18 Lithium XC Battery - Newegg.com
Amazon.com: LONG FIT 2 Pack | Replace for Milwaukee M18 Battery 6.0Ah, Perfectly Compatible with Milwaukee Original Charger (48-11-1850) : Tools & Home Improvement
Amazon.com: WORTHMAH 2 Pack 5.0Ah M18 Batteries & Charger Replacement for Milwaukee M18 Lithium Ion Battery & Milwaukee 18V Tools, Charger Perfectly Compatible with Original Milwaukee M18 Battery Charging : Tools &