A simple, low cost 10mm LED programmed to change colour, green, amber & red, at predetermined voltages to give an instant indication of battery status.
12v 24v Output
13.2 26.4 Green flashing 30secs - charging
12.6 25.2 Static amber - well charged
12.4 24.8 Amber - 60% state of charge
12.2 24.4 Red slow flashing - 50% soc, batteries low
0 18.0 Red fast flashing - urgent recharge ASAP
The module is an LED with two leads and a bezel for mounting in a panel (hole size 14mm).
The flexible leads, red to 12v (24v) positive supply and the black to a negative/ground.
Easy check modules are:
- fully insulated and protected
- reverse polarity and over load protected
The flashing green switches off after 30 seconds in case there is a permanent charging voltage, i.e, solar panel.
It will automatically reset when the voltage is less than 13.2v.