LED status indicators

Beside each slot are two LED indicators (red and green) to display the battery status. The LED indicators can have the following conditions: off, on, and flashing.

1 – Red button, 2 – Green button, 3 – Conditioning button

Status	Red LED	Green LED
No battery detected (means no battery present or battery defect)	ON	OFF
Battery detected (charging not started yet) Conditioning not required Conditioning required	OFF FLASHING	OFF OFF
Charging in progress Conditioning not required Conditioning required Over/under-temperature (charge is inhibited)	OFF FLASHING One flash every 2 seconds	FLASHING FLASHING FLASHING
Conditioning in progress	ON	FLASHING
Conditioning done (battery fully charged)	ON	ON
Battery fully charged Conditioning not required Conditioning required	OFF FLASHING	ON ON
Power supply over/under-voltage	OFF	One flash every 2 seconds

For more information regarding the dual-slot charger, please refer to the documentation delivered with the charger.