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Charge Regulator
Rechargeable Nickel Metal Hydride (NiMH) batteries require a particular power delivery cycle
for optimum charging and battery life. An unregulated power supply can provide a NiMH
battery pack with charge, but without proper regulation the battery can become damaged
from over-charging or over-heating. Please use the supplied charge regulator and AC plug
pack to maintain battery condition.
Depending on the options ordered, the charge regulator may be supplied in a small
weatherproof casing or packaged in a wall-mountable box containing other optional
components. In either case, a single LED on the charge regulator provides the status of the
charging cycle and displays any errors. Use the information below to decode the status of
the charge regulator and the battery condition.
LED Patterns (routine)
Traffic light (Red-Orange-Green) System reset. Occurs at power-on
and when battery is connected
Slow Orange blink System waiting. Battery disconnected
Solid Orange Constant current phase
Orange with Green blink Constant voltage phase
Solid Green Charge Complete. Float Charge continues
LED Patterns (exceptions)
Three Red Flashes Charge suspended. Battery voltage too low
Two Red Flashes Charge suspended. Battery voltage too high
Slow Red blink (Once every 5 sec) Charge suspended. Battery or PCB too hot
Fast Red blink Thermistor error. Needs input power reset
Orange blink (Once every 0.5 sec) Timeout
Solid Red Fault. Needs input power reset
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