What kinds of batteries is healthy?
When engine running (do not drive), the LED display:
- Between 13.5 to 14.5(12V CAR)
- Between 26.0 to 28.0(24V CAR)
When the engine off, and nothing turned on, the LED display:
- Greater than 12.0(12V CAR) OR 24.0(24V CAR)
Installment:
- Clean the cigar socket.
- Insert the jack of the product into a cigar socket.
With high brightness of LED, there is no difficulty in seeing the display. This digital gauge displays the voltage of batteries in the car.