10.8V, 2100mAh, Ni-MH Battery fits Anritsu, 9081d, Lmr Master, 22.68WhBattery Fits Models: 9081d, Lmr Master, Ms2711a, Ms2711b, Ms2711d, Mt8212b, Mt9081, Mt9081d, Mt9083, Mt9083a, Mt9083a8, Mt9083b, Mt9083c, Otdr S113b, S113b, S113c, S114b, S114c, S251b, S251c, S311d, S312d, S325d, S331b, S331c, S331d, S332a, S332b, S332c, S332d, S412d, S810c, S810d, S820b, S820c Battery Part Numbers: 633 27 The Cameron Sino range of batteries are historically the most reliable and cost effective generic batteries we have ever supplied;