Bosch 6 Amp-Hour; Lithium Power Tool Battery at Lowes.com
AliExpress
Replace Bosch Original 18V BAT619G Professional Battery with 9000mAh, Compatible with Bosch 18V Power Tool BAT609 BAT610 BAT618G| | - AliExpress
18v Portable Power Tools | Bosch Power Battery 18v | Indicator Light | Li-ion Battery - 18v - Aliexpress
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