This product is very good quality, output voltage is very stable and amperage is correct for any electronic devices. We tested this power supply on following devices: Universal Boxes, Girffin Box, Many unlock clips. It passed tests and we can recommend it to any GSM SERVICE in the world.
Power Supply 1503D. Cut-off protective circuit is adopted in this serial high-accuracy DC regulated power supply, with a continuous adjustable protective current ranging from 0.6A to nominal value and prompt protection of power source and the short circuit and overloading...
