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I need to replace the transformer inside my 12 volt charger. I can not find who makes the ES -66-287rev5 transformer. Need help.

The input transformer is open and needs to be replaced.

Posted by Anonymous on

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Robert L Kershaw

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  • 72 Answers

If you have the skill to determine the transformer input is open, I would expect you have the skill to replace a transformer. Based on this assumption: determine the input voltage (120 vac?), determine the output voltage (14 vac?), determine the power requirements (output voltage times the charging current), find a transformer at www.digikey.com or www.mouser.com or www.newark.com.

Posted on Sep 25, 2014

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peter evan

  • 103 Answers

SOURCE: charger for 12 volts 7 amp battery smf

you need to go to a **** smith store and bye a kit to do this cheers peter

Posted on Apr 12, 2009

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Anonymous

  • 2176 Answers

SOURCE: I have a older Dewalt recharge drill dd991 14.4 volt I need to

The chuck retaining screw are left handed and the chuck itself is standard right hand. Let me know if I can help further

Posted on Jun 21, 2009

Anonymous

  • 1 Answer

SOURCE: Need to replace power cord to battery charger of cordless drill

it takes a 24V DC 200mA  The one I have is a Ktec Model KA12D240020034U

Posted on Aug 29, 2009

VtToolMan

Mark

  • 704 Answers

SOURCE: My 12 volt panasonic cordless drills charger

Unfortunately, Panasonic uses a unique profile on their battery packs that allows them to fit into Panasonic chargers. So trying to find another brand charger won't be possible. At one time, DeWalt made a really nice Universal charger that would charge literally any rechargeable battery made, but it cost a small fortune and they stopped selling them after only a year.

I would suggest that you call the customer service number and see if they can provide you with a local service center that can repair your charger for you.

http://www2.panasonic.com/consumer-electronics/support

You can also check the Panasonic site to see if they'll help with a repair or possible replacement under warranty or customer satisfaction, etc.

Sorry to be the bearer of not so good news, but hope you find this Helpful and best regards!

Posted on Sep 18, 2009

SOURCE: charger died.

It is usually a current limiting resistor anyway... so I would think that about 100 Ohms should be all good, you generally need about 250 - 300mA to charge ya batteries. It is simple Ohms law calculation.

Posted on Feb 04, 2010

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I have two 18volt chargers doing the same thing. I have had them apart and it seems to be the transformer not pushing any power thru. If you can find a transformer that fits and has the right voltage that should fix the problem. From what I can make out if you leave the battery in for too long on charge it cooks the transformer. Hope this helps
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