This USB mains power adapter is designed to fit a standard US mains socket and provide a stable 5V d.c. output at up to 1A via a USB cable. This product is suitable for use with the EL-WiFi range.

Connected to the EL-WiFi data logger via a USB A to Micro B cable, the PSU USB-US 3M A-UB can either be used to charge the device’s battery to full capacity or left permanently connected to act as a mains power supply.