FSRS Battery discharge status Indicator - battery gauge with single LED line screen showing battery charge status graph. It suits for lead acid battery, SAL battery and li-on battery in electric vehicle, boat, sweeper, mower and forklift.
Three color LED bar light show the status of battery charge. All green/yellow/red light-on means full charge, Yellow and red light-on means half of power, only red light-on means almost no power and need to charge. When red LED light, LED bar will also flash to remind.

Specification:
Capacity: 10 LED Bar for indicator
Operating voltage: 5-100V
Operating current: Lower than 20mA
Working temperature: -20C to 85C
Polarity: Positive/Negative