lwlongwei dc power supply variable,4 channels 30v 10a 2 * 300w adjustable switching regulated dc bench power supply with 4-digits led power display 5v/2a usb/dc output black 30v 10a lw-3010-2kd is up for auction in Industrial & Scientific. The current bid is $1.00, 99% below the $175.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.