About this replacement
Designed for GP, DeTeWe, Schneider devices. Compatible models include Twinny Master, 3GP4E, Twinmaster, Twinny, Twinny Memo, Twinny Nice, Twinny Twin Tel, Varitel, Memo, Nice, TwinTel, Varix M2. Replacement part numbers include 7M3BMJZ, T321, 145306002110, 1453.060-02110, 1453.060-02111, 3GP4E. Key specifications: 3.6V, 750mAh, Ni-MH.