Used BIO-RAD PowerPac HC

Features:

Programming in a compact, stackable case
Timer control and constant voltage or constant current output
Ability to pause and resume a run
Autoswitching

Specifications:

Output range (programmable): 10–300 V, fully adjustable in 1 V steps, 4–400 mA, fully adjustable in 1 mA steps, 75 W (maximum)
Type of output: Constant voltage or constant current with automatic crossover
Timer: 1 min–99 hr 59 min, fully adjustable
Display: 3-digit LED
Operating conditions: 0–40°C, 0–90% humidity in the absence of condensation
Input power (actual): 90–120 or 198–264 VAC, 50/60 Hz,
Dimensions (W x L x H), cm/in: 21 x 24.5 x 6.5/8.3 x 9.6 x 2.6