Lumenier v1.1 QAV250 Power Distribution Board v1.1 This is the power distribution board for the QAV250 Mini FPV Quadcopter. This PDB simplifies the ESC and power wire installation by giving you + and - solder pads to connect everything to, while also adding rigidity to the airframe. The newest version 1.1 features thicker 2oz. copper allowing for higher amperage.