The DIN-rail mount charging module provides portable power. With a wide input voltage range of 10 to 30 Vdc, the USB charger can be used for industrial applications as well as in vehicles. Features include an auto-detect feature to monitor USB data line voltage and provide appropriate electrical signature to charge compliant devices automatically; a regulated power supply and dedicated charge port controller with overcurrent shutdown protection; rated output from 5 V to 1.5 A maximum; a compact size that takes only 0.8 in of DIN-rail space; and an easy-access type A, vertical USB 2.0 connector.