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What Does Flashing FL on Display of Peak Performance Jump Starter Mean  

Question:

How do you tell if it is charged when it is not connected to a battery?

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Expert Reply:

The Duracell Portable Emergency Jump Starter # DU37FR has indicator lights on the front of the unit to tell if it is charged or not.

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Jameson C
Carl A. profile picture

Carl A.

2/11/2020

My PKCOAZ is fully charged but it beeps. What is the meaning of this beep?

JacobH profile picture

Jacob H.

2/13/2020

According to the instructions, "The alarm will only be turned off permanently if the battery is in a fully charged state, or the pin is inserted in the Low Charge Alert port". The recommended charging time is 18-24 hours. If you are doing the first charge since you've purchased it, the manufacturer recommends 36 hours. The best way to check if your battery is fully charged is to push the Battery Percentage button and make sure it is at 100%.
Phil profile picture

Phil

3/11/2025

@JacobH what do fl % mean when flashing plug in to outlet do that mean charging when flashing knob in between on an off with pin pulled out

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