The Mitsubishi 3.6 Volt PLC Replacement Battery ER6V-C119B, MR-J3BAT is a lithium battery that is used as a backup battery for Mitsubishi MelServo MR-J3, MR-J3-A, MR-J3-A4, MR-J3-B, MR-J3-B4, MR-J3-T and MR-J3-T4 servo amplifier absolute positioning 123. It has a voltage of 3.6 Volts and a capacity of 2600 mAh 1. The battery is assembled in the USA and has dimensions of Diameter 0.58" x Height 1.99" 1. It is also known as LS14500-MDS