Product Description Detailed Specs Downloads Reviews/Questions Product Description BTRY,SPECTRALINK,8400,1150MAH,BLUE Detailed Specs null null null null null null null null null null MFG Part Number H8440-LI(S)-B Product Type Battery Downloads Reviews/Questions The Alternative H8440-LI(S)-B is also known as ALT -H8440LI(S)B or H8440LI(S)B