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.