RED/Green Off: standby Flashing red 3 times: initiation
of charger Constant red: charging Flashing red: pre-charge
state Constant Green: finishing charge OFF: no battery detected Green
flash quickly: under voltage or under temperature Green flash slowly: short
circuit or reverse polarity
Algorithm
Constant current 2 Amp Constant voltage 12.6 Volts--(4.2
volts per cell)
Temperature: -10 to +40° C, Operating -40 to
+70° C, non-Operating. Don't charge lithium-ion or lithium-polymer cells if
their temperature is below 0° or over 40° C.