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Charger not working

Could the batteries be the cause of charger blowing?

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Get new charger.

Posted on Feb 11, 2015

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Posted on Jan 02, 2017

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How can I charge a 20 volt lithium battery without its charger? Can I use a laptop charger for it?


Angel why not purchase a 20 volt lithium battery charger . It is better than risking blowing up a laptop charger or the battery.
Google search
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The charger blows the 3.15a/250v slow blow fuse the second I plug it in... what can I do to get the charger working again?


check that you have the red lead of the charger on the positive terminal of the battery and the black lead on the negative terminal of the battery. Next check the voltage to be charged is selected correctly 6 volt or 12 volt. next check the rating of the fuse used as 3.15 amp may be too low for the charger. I would not go greater than 5 amp at best. Lastly have the charger checked by an accredited electrician for internal shorts.

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Rascal Scooter charger is dead


is this a built in charger ??? if not check the resistance between the two outside holes not the middle one, that's the inhibit hole... is there a short ? i never experienced batteries blowing up a charger normally the issue is with the wiring to the batteries....

Regards

Nov 14, 2013 | Health & Beauty

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My phone keeps saying it's charging when its not even plugged in. But although it says its charging the percent of the battery goes down real quick what can it be. And if I connect the phone to the...


check the input and spray compressed air to clean.. do not blow into it cause moisture is expelled when blowing. turn of device and remove battery. spray again. wait 15 minutes. place battery back in power on

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C7 36 volt charger not working keeps blowing internal fuse


If the fuse is blowing before the battery is installed to charge, the problem lies on the circuit board. Since it is most likely a switch mode supply, you might try replacing the electrolytic capacitors first. Then check what should be a MOSFET, although some may have a regular bipolar transistor as well.

If the charger blows the fuse when the battery is installed for charging, the battery has some shorted cells that overloading the charger, or the contacts are distorted and being shorted by the battery

Feb 17, 2012 | Drills

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What does a red blinking light mean on a makita dc1804 charger?


I would clean the contacts on the battery to be charged and the charger. You can do this with a discharged battery and the charger unplugged usins a small mechanics wire brush,they can be had made like a tooth brush and work well for tight places. Gently brush and then blow out with air. Make sure that battery is firmly seated in charger and if light continues to flash you probably need a new battery. Thank you.

Mar 07, 2011 | Makita Garden

1 Answer

When I plug the battery in for charging, the charge light does not come on. only the power light on the charger


There are several solutions to this problem which I have seen twice in my technical career.
You indicated that the power light on the charger comes on which indicates it is plugged into a working AC wall outlet. Check to make sure the power switch of the charger is turned on. Make sure that the round charger plug is plugged all the way into the battery charger receptacle on the battery box.
Next, check the on-board fuse AND the circuit breaker. I have had this little 5 Amp automotive style fuse burn out on several go go's and the charger does not work. Pull back the cover over the charger port and look for the fuse in its center slot. With a good set of fingernails it can be pulled straight out and inspected. Use fine needle nose pliers if necessary. I am assuming the go go runs and the push-button for the 15 Amp circuit breaker is pushed in. If it is out and the go go is not running reset the breaker by pushing the white button in. There is a clear rubber boot over the button. In my experience, the 5 amp auto fuse is your most likely problem. By holding it up to the light you can see if the fuse wire inside is burnt causing an open circuit. Most auto and hardware stores have this fuse in stock. Bring the old one to the store for comparison. It is a 5 Amp ATO fuse.
The question my clients often ask is what caused the charger circuit to overheat and the fuse to blow? The simple answer is that the two 12 Amp hour batteries in the go go are probably old and weak. This causes the charger to work too hard and the circuit to overheat and the fuse to blow. These small batteries have a short life span of between 6 months and 1 year depending on type. I recommend the AGM (advanced glass mat) batteries for longevity. Also make sure the charger being used on the chair is the 2 Amp small charger that came with the chair (There is a label on the charger to verify this). A larger charger will burn the batteries(shortening their life) and burn out the 5 Amp on-board fuse. Hope this helps.

Oct 31, 2010 | Pride Mobility Products Go Go Ultra X 3...

1 Answer

Battries are discharged and now charger does not operate


The batteries will discharge below the reference voltage required for the charger to "see" the batteries if left uncharged for more than a month or more. You have to carefully bring the batteries back up to about 12 volts each for the charger to see them. The easiest way is take them to a qualified battery shop that has a step charger for sealed batteries. If you attempt to use a car charger on sealed batteries, you will ruin the batteries or even blow them up as the cases are sealed and the gas from charging has no way to escape. Some people have used a standard car battery charger on low only, applying a charge to one battery for about 15 minutes, then the other for 15, etc. until the batteries are back up to 12 volts, but again, using a car charger is dangerous and could cause the battery to explode.

May 20, 2010 | Jet 3 Ultra Power Chair

1 Answer

I keep blowing fuses in the car charger for my Garmin Nuvi 660


What happens when you replace the fuse, plug in the charger without plugging the charger into the 660? Does it blow then? If not, the 660 is damaged internally and causing the fuse to blow. If it still blows, then there is a problem in the charger.


http://www.sharc.net/gps_charger_repair.htm

- Jim

Nov 17, 2009 | Garmin Nuvi 660 GPS Receiver

1 Answer

The light don't come on and want charge my 12 volt battery


My charger has a fuse located on the circuit board inside the unit....when mine stopped working, it was the fuse...replaced it and it is working fine for one battery, the other blows the fuse every time....bad battery.

May 20, 2009 | Black & Decker Black And Decker 12 Volt...

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