Question about Norelco Cool Skin 7775X Electric Shaver

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Battery replacement norelco t7500 shaver - Norelco Cool Skin 7775X Electric Shaver

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  • steveyasin Oct 22, 2008

    have to charge for like 4 days for it to work. so getting a new battery at radio shack works?


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If you know how to solder, it's easy to replace the rechargeable battery in the Norelco T7500 shaver, thanks its beautiful mechanical design: You just remove the single screw at the bottom, and the entire charging circuit board & battery simply slides out, still attached to the shaver by a folded ribbon cable!
Then, you just pop off the plastic shields, unsolder the battery, and solder in a new AA 1.2V NiCd solder-tail battery. Or, you can use a higher-capacity AA NiMH battery for a longer run-time, at the expense of fewer recharge cycles for NiMH.
In either case, dispose of old NiCd batteries properly: They contain cadmium, which is an environmental poison!

Posted on Jul 10, 2013

  • Matthew Ulm
    Matthew Ulm Nov 22, 2014

    Having problems un soldering the battery. Put the soldering iron to it and it won't budge! Any tips?


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The gray resistor that is on the corner of the board has orange-orange-black, gold bands. The green resistor that is standing up next to the capacitor has brown-black-red, gold bands.

Posted on Nov 26, 2014

The skrew can be removed an the bottem popped off the circuit with the battery pulls out. then you have to de solder an resolder a 1.2 V 600 mah battery (radio shack)

Posted on Jul 31, 2008

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Opened the shaver to replace battery, and found the old one leaked and the acid ate some of the copper traces off the circuit board. Thinking of just soldering wires to replace, but need a photo of the way it should be...
Anyone has a photo of the back of the board (under the white protector cover)?

Posted on May 11, 2015

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How do you unsolder the battery? I've put my soldering iron to it and it won't budge!

Posted on Nov 22, 2014

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Would someone please me the value of the resistor next to the power plug? please tell me the color of the bands on the resistor. mine was completely fried. thanks!

Posted on Oct 07, 2014

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It has to be sent in

Posted on Jul 07, 2008

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