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.