In this guide, you will learn how to modify the HP DPS-1200FB power supply to use with a LiPo charger or 3D printer. The HP DPS-1200FB is a server power supply with extremely high performance. It offers up to 100 amps at a voltage of 12 volts. Therefore, it is particularly suitable for the power supply of high-powered chargers. It is usually operated in server farms and pushed into the server racks. Therefore, we have to hack the power supply to be able to operate it. Great read on blog.seidel-philipp.de