DEWALT 18-Volt 2-Pack 2.4 Amp-Hour; 2.4 Amp-Hour Nickel Cadmium (Nicd) Power Tool Battery Kit in the Power Tool Batteries & Chargers department at Lowes.com
Bosch 18-Volt 8 Amp-Hour; Lithium-ion Power Tool Battery in the Power Tool Batteries & Chargers department at Lowes.com
18V ONE+ 2AH LITHIUM HIGH PERFORMANCE BATTERY - RYOBI Tools
Makita 18V LXT Lithium-Ion High Capacity Battery Pack 5.0 Ah with LED Charge Level Indicator (2-Pack) BL1850B-2 - The Home Depot
150W Power Supply Inverter for Makita 18V Battery 110V AC Portable Power Source | eBay
20V Max vs 18V Batteries: Setting the Record Straight - Pro Tool Reviews