General description The 2Pcs Programmable Battery Level Indicator is designed for monitoring the voltage and temperature of various battery types, including lithium, lead-acid, lithium iron phosphate, and NiMH batteries. It operates within a voltage range of 10-100V, making it versatile for different applications. Technical specifications Voltage range: 10-100V (compatible with 12V, 24V, 36V, 48V, 60V, 72V, 96V batteries) Display type: Color LCD Wiring: 2 wires (red for positive, black for negative) Installation Simple installation with only 2 wires required Red wire connects to the positive side of the battery Black wire connects to the negative side of the battery Usage Two buttons for operation: one for toggling between voltage and temperature display, and one for ON/OFF Long-term use with the ability to display battery capacity, voltage, and temperature Other information Features a protective cover for dust resistance Includes reverse input voltage protection Low voltage alarm