Way Huge · Overdrive

Green Rhino MkIV

9V · 19 mA · maker

Way Huge Green Rhino MkIV power requirements

9V DC · centre negative · draws 19mA
also runs on a 9V battery · from the maker
“The Green Rhino™ Overdrive MkIV is powered by a single 9-volt battery, a 9-volt AC adapter such as the Dunlop ECB003/ECB003EU, or the DC Brick™ and Iso-Brick™ power supplies. The power input is a 5.5mm x 2.1mm jack with the positive voltage on the outer sleeve. … CURRENT DRAW 18.5 mA … POWER SUPPLY 9 volts DC” source
Checked 2026-10-13

95.25 × 121.64 × 44.45 mm (3.75 × 4.79 × 1.75 in)

Width × depth × height, from the manufacturer.

Each has an output that can power it, checked against its published figure. Plan the whole board to see what runs everything.