PEL-3021 is an electronic load manufactured by GW INSTEK. It features an LCD 3.5” color display, adjustable output voltage of 1.5V to 150V, adjustable output current of 0A to 35A, and a maximum power output of 175W. It is designed for use with external testing equipment to measure, control, and analyze power supply/battery/converter performance as well as other AC/DC and DC/DC sources. The PEL-3021 can be used to evaluate various characteristics such as ripple, power rating, over-temperature protection, over-voltage crowbar, charging/discharging current, and other parameters. Its additional features include adjustable dynamic and static settings, oscilloscope trigger output, storage of up to 20 profiles, event log recording, and remote control via USB or LAN.