Bosch 4 Amp-Hour; Lithium Power Tool Battery at Lowes.com
Bosch 2-Tool 18-volt Power Tool Combo Kit with Soft Case (2 Li-ion Batteries Included and Charger Included) in the Power Tool Combo Kits department at Lowes.com
Authentic BOSCH 18V 4Ah BATTERY Lithium Ion GBA18V40 Free Fast shipping 346627923 | eBay
Tool Li Ion Battery For Bosch 18v 4ah/6ah/7ah/8ah/9ah Bat 609 619 622 Cordless Power Tools Rechargeable Battery Withlamp Charger - Rechargeable Batteries - AliExpress
Bosch 18-Volt 2-Pack 4 Amp-Hour; 4 Amp-Hour Lithium-ion Power Tool Battery in the Power Tool Batteries & Chargers department at Lowes.com