Why do I need a battery for my Melservo amplifier?

by | Jun 1, 2021

Mitsubishi Melservo comes in 4 main flavors; MR-JE (simplistic), MR-J2S (discontinued\unsupported). MR-J3 (in the process of phasing out) and MR-J4. In most applications, a battery is not required to be purchased in addition to the amplifier. However, if absolute...