New 20.4V 1800mAh Ni-MH Battery Pack For Bosch BBH22041/01 9705 Type VXAS011V20 Robotic Vacuum Cleaner - AliExpress
Bosch BBH22042 specifications
bosch 20.4v two in one vacuum,for details please check the pictures, working good, the charger wire is a bit exposed but still working good if you not mind., 家庭電器, 吸塵機