Battery Charging System Voltage Monitor 12V and 24V AC016
Input: 12 or 24V DC. Output: Twin 5V 2A (total) USB ports and 12 and 24V DC cigarette socket. Maximum output current 8A. View LEDs and LCD display for your battery’s state of charge. Adjustable plug for easy viewing. Compatible with most USB powered devices, including iPad and iPhone and 12V and 24V appliances.