This small circuit is of great value to check your car battery status.
- (enclosure not included!)
- easy to build in
- only 2 wires to connect (connect after ignition)
- uses multi colour 3mm LED
- green: battery OK
- Slow pulsing (green): battery OK or charging
- red: battery voltage is low
- red blinking: battery is being overcharged
- includes: board to wire connector