vhbw Li-Ion Battery 4500 mAh for Vacuum Cleaner Samsung Navibot SR8845 SR8844, SR8846, SR8847 SR8855/SR8848/SR8849, SR8850, such as VCA VCA-RBT20.: Amazon.de: Home & Kitchen
Samsung Navibot Airfresh SR8F30 Navibot Airfresh S Replacement Battery: BatteryClerk.ca