About this replacement
Designed for Krups, Rowenta, Braun devices. Compatible models include BioCare Jet Pack, Dentasonic, Dentacontrol Duo, Dentacontrol 707, CuraMed Dentasonic, Oral-B Sonic 3721, 4717, DLX S18.535.3. Replacement part numbers include RS-MH 3941, 2N-600AE, S-RWT1688, Cd 9S-RWT05, 1103425149. Key specifications: 2.4V, 1100mAh, Ni-MH.