DEWALT POWERSTACK 20 5 Amp-Hour; Lithium-ion Battery and Charger (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com
2 x DeWalt DCB184 18V XR li-ion Battery 5Ah Genuine UK Twin Pack 5055945202823 | eBay
DEWALT 20V MAX 5Ah BT Battery Lanyard Ready DCB205BTLR from DEWALT - Acme Tools
DEWALT 20V MAX XR Lithium-Ion 30-Degree Cordless Brushless 2-Speed Framing Nailer with 4Ah & 5Ah Batteries, Charger and Bag DCN692M1w5b - The Home Depot