The LED indicators on the fast charger that ships with the Flame series and Inferno (available as an optional accessory for other models) provide charging status for the battery:

SOLID RED LED – Unit is Powered and ready to go.

FLASHING RED FIRST LED – This is reading the current Charge Status of the battery.

FLASHING GREEN & Flashing RED – This indicates the level of charge with each bar representing roughly 25% of the batteries capacity.

SOLID GREEN – Indicates the battery is 100% charged. In the unlikely event of a charge error the first and fast red LEDs flashing quickly.