About this replacement
Designed for Altec Lansing, Delphi, AudioVox devices. Compatible models include XM3020, XM2go, MyFi XM2GO, MyFi, MyFi SA100013, TXM1000, XMTSZ03089-00, Tao, AirWare, XM2go X2G-100, Inno XM2go, Airware XM2GO. Replacement part numbers include EPNN8774A, EPNN9155A, 9S0227, TXMBT01, 990227, MYFI SA10113, TXM1000. Key specifications: 3.7V, 2000mAh, Li-ion.