FSMD-Buzzer User-friendly monitoring indicator with blue LED and buzzer for lead-acid/solar battery status of charge in electric vehicle, boat, sweeper, mower and forklift.
Two LED lines show charge status graph and voltage value. 10 LED bar show the status of battery charge. Yellow means half of power, Red almost no power and need to charge. When green/yellow LED light off and only red LED light on, Red LED will also flash and Buzzer will ring to remind to charge.

Display:
- 10 segment LED bar graph display
- Two LED lines display both voltage value and charge graph
- Red LED flash and buzzer alarm run at 20% of battery charge
- Memory to recall last charge status
- Polarity proof, reverting positive and negative won't damage meter
Specification:
Capacity: 10 LED bar for indicator
Operating voltage: 5-100V
Operating current: Lower than 20mA
Working temperature: -20?C to 85?C
Polarity: Positive/Negative
Water proof: IP65