Question about Makita DC18RA Rapid Battery Charger For LiIon NiMh NiCd Batteries

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I have lost the manual for my makita dc18rc charger , i have plug in my battery and am getting a red and yellow light what does this mean

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Posted on Jan 02, 2017

johnnymills
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SOURCE: Need to know what the lights mean on a makita dc24sa charger

• When the battery cartridge is inserted, the charging light color will change from green to red and charging will begin.
The charging light will remain lit steadily during charging.
• One red charging light indicates charged condition in 0 – 80% and two red ones indicates 80 – 100%.
• With finish of charge, the charging lights will change from two red ones to two green ones.
• The charging time is as follows:
Battery B9017A, BH1220, BH1420, BH9020A: approx. 20 minutes.
Battery B2417, BH1233, BH1433, BH2420, BH9033A: approx. 30 minutes.
Battery B2430, BH2433: approx. 60 minutes.

Posted on Apr 07, 2009

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Red light flashing will not charge battery have left over night with no result


Sometimes, this is a result of a battery that is too cold (below freezing-warm it up). Sometimes it can be too hot (discharged under heavy stress-let it cool down). Sometimes there may be insufficient voltage, I have had problems in older houses, get closer to the electrical panel to plug in, or you may have to wait until you get home. Red flashing may mean https://www.youtube.com/watch?v=8rZqYmPsZycthe charger or battery is to hot and must cool down before it will charge. The charger will not charge a battery if the lights are flashing. Solid Red light means it is charging and solid green light means it is charged. Plug the charger in first before putting the battery on the charger. If the charger has been dropped or hit the floor the coil inside could have broke loose and damaged the charger requiring it to be replaced. Below is an unconventional way to charge the battery if the charger is no good. BE CAREFUL
how to charge broken makita BL1830 Li ion battery

Mar 12, 2015 | Makita Cc300dz 10.8V Li-Ion Cordless Tile...

1 Answer

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

Nov 01, 2014 | Drills

2 Answers

Why does my charger flash but not charge


Most chargers have a specific sequence of flashes to indicate whether it is chargers or there is a problem. If mine flashes real fast the battery is usually too hot to charge. You did not say what brand or model you have. The best way to determine if its a bad battery or bad charger is to try charging a known good battery. Usually it is the battery but occasionally the charger can be the culprit.

Aug 24, 2014 | Drills

1 Answer

How do i convert a makita charger model DC18RC at 110 volt to 240 volts?


The DC18RC are most likely to charged the BL1830 battery, which is the most popular of 18V Makita power tools. It is a Li-ion battery.

And the DC18RC battery charger has two volt 110 Volt and 240 Volt.

The 240 Volt DC18RC charger can replace model DC18RA & DC18SD because of its improved performance and full compatibility with Makita's NEW 'Star' labelled batteries that communicate between the tool, battery & charger. And, it is a fast charger.

It can charge a Makita BL1830 Battery in approx 22 minutes.

But, I do not recommend to convert a makita charger model DC18RC at 110 volt to 240 volts.

The reason is as below:

1. This will void product warranty ! If you follow this mod, you do it on your own risk !

2. There are several comments that described
same model # but with different design and components.
Please beware that this mod might not work on your charger
or worst, will damage it.
Only perform this mod if you know your way around with electronics !

Sep 20, 2013 | Makita Drills

1 Answer

Makita Dc18rc from 110v to 220v


Did Someone Succeeded to Change the DC18RC from 110v to 220v ??
What are the component that should be replaced ??
Where can i get them ?
Thx ,
Lio

May 17, 2013 | Drills

1 Answer

Makita DC18RA Makstar Li ion Charger three lights


Alternate Red and Green flashing means bad battery. Buy a new one, or take it to a Makita Service center for replacement if it's under warranty.

Normally the yellow light indicates hot battery, but it could also mean dirty battery contacts so the heat sensor can't be read, or that the fan is clogged with dust and unable to cool the battery. The manual says let the battery cool and try again. If the yellow still flashes, it's contacts or the fan.

Read the manual online at:
http://www.makita.ca/data/upload/accessorypbim/417_im_english.pdf

Oct 28, 2011 | Makita 2 Bl1830 18v Battery,dc18ra Charger...

4 Answers

I have makita bl1830 battery 18volt it works fine but will not charge, charger lights flash red and green therefore battery will not charge


If both red and green lights are flashing after you put the battery on the charger, the charger is reading the battery as bad or defective and it will not charge the battery. It may be because there is a short in the battery, one of the cells is bad or the battery is just old and won't charge anymore.

Feb 01, 2011 | Makita 2 Bl1830 18v Battery,dc18ra Charger...

1 Answer

Need to know what the lights mean on a makita dc24sa charger


• When the battery cartridge is inserted, the charging light color will change from green to red and charging will begin.
The charging light will remain lit steadily during charging.
• One red charging light indicates charged condition in 0 – 80% and two red ones indicates 80 – 100%.
• With finish of charge, the charging lights will change from two red ones to two green ones.
• The charging time is as follows:
Battery B9017A, BH1220, BH1420, BH9020A: approx. 20 minutes.
Battery B2417, BH1233, BH1433, BH2420, BH9033A: approx. 30 minutes.
Battery B2430, BH2433: approx. 60 minutes.

Nov 20, 2008 | Makita DC24SA 24 Volt Makstar Battery...

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