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