PowerSmart PowerSmart TIT001.33H Staubsauger-Akku für IROBOT Roomba 772 Roomba 772E Roomba 774 Roomba 775 Roomba 776 Roomba 776P Roomba 779 Roomba 780 Ni-MH 3300 mAh (14,4 V) 44.89 €