What does Fl mean on my duralast jump starter?
A solid FL means it is fully charged. If the unit is charged but shows dead immediately on use, then the battery is most likely unable to accepte a charge or the charging circuit is not working. I would suggest contacting Duralast to see if they have a replacement battery for your unit.
What does it mean when a battery charger says FL?
Expert Reply: FL on the display of the Peak Performance Jump Starter # PKC0AZ indicates that the internal battery of the charger is full. When you connect it to a vehicle battery and put it in the ON position it should read the percentage battery life of the vehicle battery.
Why is my duralast jump starter beeping?
A: Your starter needs to be recharged and the red insert for the alarm is out. Once you charge it, it should stop beeping and if you put the red insert back in in the front that should keep it from beeping. Hope this helps.
How do you know when a jump starter is fully charged?
Usually an indicator light on the jump starter tells you when a recharge is necessary. Simply insert the power adapter into an outlet and charge the battery until the light indicates a complete charge.