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Duracell CEF21 battery charger, is blinking in a rotating pattern

Usually the lights are steady, and when fully charged solid green. I plugged it in and the lights are flashing red in a rotating pattern. Anyone know why?

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Posted on Jan 02, 2017

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SOURCE: 8525 Red Light

Take the battery out then plug in the phone. The light should turn red, then reinsert the battery with it still plugged in. It should turn orange and start charging.

Posted on Jun 27, 2008

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SOURCE: Battery charger flashing red light

Clean contact points of both battery and charger with q-tips dipped in rubbing alcohol. This solved my problem with blinking lights and not charging of the batteries.

Posted on Jun 23, 2009

  • 29 Answers

SOURCE: pronto 91 fully charged batt but only gey 3 flashes off red light

Batters won't hold charge and work properly it sat up for that long. replace batterys

Posted on Sep 02, 2009

  • 103 Answers

SOURCE: the chair charger has a solid green light and says

Have the batteries load tested.

Posted on Nov 06, 2009

  • 175 Answers

SOURCE: chair not holding charge

It's your batteries. If they charge at all, your charger is okay, if not at all, new charger is in order.

Don't run your batteries down past half-disharge if you can avoid it. Charge daily or even more often if you are a road warrior, but try to keep them topped off. They don't have a memory.

Posted on Jan 27, 2010

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Charger light blinks rapidly for dewalt charger?


usually indicates battery has failed slow blink charging steady red fully charged

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I bought a Ryobi 12V drill w/ lithium charger. Green light on charger never went solid....continues to blink & fade. Does this mean its in the energy saving mode? Is it fully charged?


How long have you left battery on charger? It will take about 3 1/2 hrs to fully charge. t is probably not a good idea to leave the battery in the charger for long periods of time though, so once it is fully charged put it back in the drill. When fully charged the green led will turn solid. This link will have more info on charger and battery.
http://powertool.manualsonline.com/manuals/mfg/ryobi/130155001.html?p=2 C

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Charger seems to have both red and green lites flashing at the same time no sequence and both batteries connected read 4.0 VDC, are these chargers repariable or throw aways


Your manual is here. The section on charging states, that green blinking means your battery is fully charged but blinking red means that your charger is faulty. I would say repairable.

1. Plug the female connector of the AC power cord (supplied) to the AC receptacle on the charger and plug in the male connector on the AC power cord into the wall outlet.

2. The On/Off LED indicator is blinking RED, this is abnormal. Unplug AC power cord from the on-board battery charger and wall outlet. Charger may need to be replaced. Contact an Invacare dealer or qualified technician.

3. When the On/Off LED indicator light is Off, charger is Off.

4. When the Charge LED indicator light is YELLOW, the batteries are charging.

5. When the Charge LED indicator light is solid GREEN, the batteries are fully charged (as their condition will allow).

6. When charging is complete, unplug the male connector of the AC power cord from the wall outlet and then unplug the female connector of the AC power cord from the AC receptacle on the charger.


http://www.invacare.com/doc_files/1125085.pdf

http://www.invacare.com/doc_files/1125085.pdf

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1 Answer

Why won't batteries charge?


Those chargers are designed to turn solid green when the batteries are fully charged. When batteries are less than new and have some time on them they will not charge as much as a new one. It is conceivable that either the battery condition is not the best there is or that perhaps there may be something wrong with the charger.

I suspect it is the new batteries not being so new.

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I have a skyforce gravity r/c helicopeter trying to fix for my son.When it is plugged in the charger, it just blinks green light. Have it over night, and it is still just blinking green. Have lost remote....


It means that the charged battery is full. Some chargers have a steady glow, others have a flashing light to show that the battery is charged. When you run the helicopter, is the battery fully charged, does the helicopter blades spin flat out? If so, the battery is charged and the flashing light indicates the battery is charged. If the battery isn't charged or the blades don't spin enough to lift the helicopter, or fly for some time, then the battery isn't charged and the charger may be faulty. Take it to a hobby shop to see where the problem lies, the charger and its blinking light, or the battery.

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How long to take it completely AA batteries in a Duracell CEF21 charger?


Hello there,
According to this sheet.
4-6 hours Charge rate and time is dependent on cell capacity, discharge state, and operating temperature.
http://www.scribd.com/doc/18655474/06074L4-ChargersEU-CEF21

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What does a orange power light mean


please see the commentary. God bless you

  • The majority of laptops will display a solid green, blue or purple battery light to indicate that the battery is fully charged. Most manufacturers indicate that a laptop is in the process of charging by displaying a solid or blinking green, orange, blue or purple light. If your battery indicator light is green, blue or purple, the battery is probably functional, regardless of whether the light is blinking. If the light is solid orange, the laptop is probably in the process of charging.

Battery Error Coneventions

  • Many battery manufacturers use rapidly blinking lights to indicate that a battery's charge level is low. In general, a laptop will rapidly blink orange or red when its charge drops below a certain level until the computer is plugged into a power outlet and charged. If your laptop's battery indicator continues to blink rapidly in orange or red or if it remains red even when it is plugged into the charger, it indicates a problem with your battery or the charger.


Read more: http://www.ehow.com/info_12183593_blinking-battery-light-laptop-mean-charger-not-charging.html#ixzz2fu5qhEWg

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Zoostorm laptops


please read and execute the commentaries. God bless you
Charging Conventions

  • The majority of laptops will display a solid green, blue or purple battery light to indicate that the battery is fully charged. Most manufacturers indicate that a laptop is in the process of charging by displaying a solid or blinking green, orange, blue or purple light. If your battery indicator light is green, blue or purple, the battery is probably functional, regardless of whether the light is blinking. If the light is solid orange, the laptop is probably in the process of charging.

Battery Error Coneventions

  • Many battery manufacturers use rapidly blinking lights to indicate that a battery's charge level is low. In general, a laptop will rapidly blink orange or red when its charge drops below a certain level until the computer is plugged into a power outlet and charged. If your laptop's battery indicator continues to blink rapidly in orange or red or if it remains red even when it is plugged into the charger, it indicates a problem with your battery or the charger.

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