Question about Dewalt 18 Volt Lithium-ion Compact Hammer Drill Kit - Dcd775l

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Dewalt batteries wont charge lights show full charge but nothing

The light on the charger flashes till it goes solid designating full charge but the batteries last about five seconds.

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The batteries could be dead.

Posted on Nov 21, 2013

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1 Answer

What can cause this issue


if the battery is older than 1 year replace the battery with a new one , also I know its difficult but try to not charge a battery till its dead , short cycle charging of battery's kills em fast if battery is less than 1yr contact Milwaukee its still under warranty

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On some chargers, when the light blinks rapidly, it means that the battery is bad. Try looking up charger information on-line.

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Greetings Gurus. I have Makita charger model DC18RC, battery model is 18v BL1815...manual is of limited help. I'm trying to understand what the indicator lights mean, what the time is for charging,


I agree that the pictographs are not very helpful. You probably have one of the new chargers. I have an old one, which is a little easier to figure out.

From top to bottom

1. The flashing green light with the electric plug indicates that the unit is plugged in and ready to go.
2. The flashing red little fan means that the battery is too warm so it is just cooling it and not charging it at that moment.
3. The solid red empty battery outline means that it is charging but hasn't got very far, less than 80% full.
4. The mostly full battery outline with both solid red and green lights at the same time means it is 80% full or more
5. The full battery outline and solid green with the musical notes means it is full up.
6. The broken battery outline with flashing red and green means you've got a broken battery.
7. The yellow light with the wrench means the charger is "conditioning" the battery, whatever that means.
8. The yellow light with the fan means "cooling abnormality."

Hope this helps

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1 Answer

My husbands Daytona 4 just started having this charging problem


I'm afraid your batteries have expired. They will show full voltage but the Amps are not being replenished.

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Can I over charge my mobility scooter batteries with a pihsiang charger the green light wont go solid


Take the batteries to a battery shop or a Battery plus store have them load test the batteries. Deep cycle batteries are different from normal batteries. Normal batteries are design for max output for short periods of time, Deep cycle batteries are designed for a modest output for long periods of time. My batteries are rated at 35 amp/hr.. Basically a load tester places a load in amps [cranking amps] on the battery. How many cranking amps depends on if there is a voltage drop when you apply the load. I can apply 480 cranking amps before my voltage drops. What i do is load test a new battery of the same type to find out the cranking amps. You will not find a cranking amp rating for aq deep cycle battery but retail places have load testers that read in cranking amps. Use only deep cycle batteries in scooters, garden tracker batteries will not last. If the batteries are ok test the charger. A CHARGER KNOWS THE CHARGE OF THE BATTERY BY BATTERY RESISTANCE. As a battery charges its resistance get bigger. Once the battery reaches a preset resistance the light goes solid. You can have the charger checked by a battery shop. To properly charge a battery a charger will put out 27volts @ 4amps, they can easily test for voltage. Now if the charger is built in there is going to be an external fuse find it, check it. hope this helps

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1 Answer

My charger is flashing red when i place the battery in it


Ridgid charger lights read as follows: Solid red; charger has power. Flashing red; charger is evaluating the battery, checking if it's cool enough to charge and if it is in chargeable condition. If the battery is hot, i.e. just came off the tool after extended use, it won't charge the battery until it cools down. Flashing red & green; the battery is defective and the charger will not charge it. Solid red & flashing green; battery is charging. Solid green; battery is full.

Dec 07, 2010 | Ridgid Drills

1 Answer

Batteries will not charge. charger is not recognizing battery is inserted. charger light goes from flashing without battery to no light at all when battery is added? kit is new as of thursday help!


I had the same problem with many dewalt tools. The problem was with the charger. The charger had this strange behaviour before it was used. Dewalt replaced the charger free of charge.

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1 Answer

CHARGER PROBLEMS


The flashing light indicates the charger is charging the battery (or attempting it) and if it never finishes charging you should try to charge a different battery, if the charger charges that one ok then the battery is bad.

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Dewalt battery charger won't charge


As you know, solid red on your charger means that the battery is fully charged and the BLINKING red light means the battery is charging. Unless the light is blinking irradically everything is working the way it is supposed to. If the light is blinking irradically, the battery may just be too hot or too cold to charge ( like when you are driving many lags and your battery dies) and in this case simply wait 15 minutes to charge. If you get a fast blinking light still, the problem probably is with the battery.

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1 Answer

When charging battery flashes red then stays on red.how long should it take to change to green?.its a dewault9130 18 volt


it doesn't change to green, the solid red light means it is fully charged, there should be a legend on the front of the charger to help you with this. If it flashes real fast the battery is malfunctioning and slow flashing is charging and again solid is fully charger.

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