Replacement Battery For the Fisher Price Baby monitor 3.6v -Highest Capacity 750 mAh! -Fits M6163 J2457 TEL10160 J2458 M6163 J2458 Also Fits models by Casio, IBM, Southwestern Bell,and more Replaces: 0108OH, 239104, 31117, 35BAT, 39240000, 40AAAH3BMX, 6951, 86401, ATTBATBT31, B754, BAT2400, BCO1050, CBA2400, CPH495, DANBATT-2400, DANBATT2400 , GP55AAAH3BMX, GP60AAAH3BMX, IC4390AJ245805R, JB60AAANM3BMX, NU160TEL, PM38BAT, SAF86, TEL0235, TEL160, TL25401, TL26401, UL240, V58CID, V58HS, V58ITAD -Stays charged longer than the original battery -Any questions please ask, Thanks!