90W strong external power supply for powering the RowPower by 4ms. The power supply can operate several RowPower units.4ms Power Brick 90w is for use with the ROW Power 30 and ROW Power 40. It is a laptop style PSU for powering the Power 30/40
90W, that is sufficient for operating several RowPower units. For instance three RowPower 30 or two RowPower 40... anyhow, enough power for three to five rows of modules!
primary voltage 100-240V , 50/60Hz
secondary voltage: 19V DC
"Cloverleaf" mains input aka. "mickey mouse" socket. 2.1mm output socket (center positive) on a 90cm long cable.