Question about Hitachi RM 2500 Electric Shaver

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Not charging The shaver was mistakenly plugged into a 220v. outlet while it was on 110v. mode

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It would be logical to assume that the charging circuitry is damaged. If you are considering a DIY (do-it-yourself), then pls determine the limiting resistor that reduces the 220 to 110. Thereafter check the diode, capacitor and regulator. The final output voltage of the charging circuitry is slightly higher than the voltage rating of the battery. It might also be worth your while to check if the battery will still charge (using an external charger or a multiple voltage adapter). Soon as the battery is charge, pls check if the motor will still run. Failure of either the battery to charge or the motor to run would make repairing the charging circuitry pointless and you might be better off purchasing a replacement unit.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Aug 11, 2008

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I now live in central america and my charging voltage is 110v to 120v, previously in the UK it was 240v. is there any way that you know of to get around this problem to recharge my two batteries ?

If your shaver is model HQ7830 as indicated in your question, it's charging cord has the ability to charge from 100-240V. You may need a simple plug adapter to fit the wall outlet but that should be all you need

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If the power supply that came with the unit says only 120V, you must use a voltage converter with the unit. If you plug the charger into your 220V system without a convertr, it will damage the charger

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Is it OK for 240v & 110v

Hello bellm.... This shaver operates on a battery. The charger for the battery can be changed to suit the power source available in whatever country you reside. If your shaver was assembled in the states, it most likely has a 110v charger which will work when you plug it into the 110v outlets found in the states. If you buy this shaver in England, for instanice, it will come with a cord and charger that will plug into the 240v system available in the UK. Joe

Thanks for choosing Fixya!

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I am in Europe and need to recharge my Norelco shaver 5861. Will it damage the batteries if I use an adaptor and plug the shaver into a 220v outlet?

Model 5861 has worldwide voltage capability and can be charged from 100-240V without requiring a voltage converter. If your shaver cord has an American plug, you will need a simple adapter to fit European wall outlets. You will find this item at See link below

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You will need to replace the charging cord as the excessive voltage has damaged it

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I bought my Norelco 4821XL shaver in usa--can I recharge from 220v mains or do I need to use the shaver outlet/transfromer?

From the Service Manual: "The HQ4821 shaver can be recharged in 8 hours by means of a ’Fly Back Self Oscillating Power supply’. This electronic circuit enables the battery to be charged at 100-240V, 50/60Hz."

In other words, it's got worldwide voltage. Hotel rooms should have a power point you can plug it into. Otherwise you'll just need a simple travel adaptor.

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a step down transformer would have been a better choice than a voltage converter ( not trying to be a wise guy here)..

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110V plugged to a 220V outlet

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