Metabo HPT MultiVolt 18-Volt 2-Pack Lithium-ion Power Tool Battery and Charger (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com
Metabo's 8.0- and 4.0-Ah compact battery systems offer more power, longer run time
DeWalt FlexVolt Vs Metabo HPT MultiVolt Battery - Pro Tool Reviews