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I live in the Netherlands and can't recharge my Japanese cellphone because I think it's due to the difference in voltage. What should I use in order to recharge it anyways?

Thanks!!

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    \$\begingroup\$ Might have been easier if we had a clue what cellphone it is. Plenty of them charge with a standard USB cable, for instance. \$\endgroup\$ – Yann Vernier Jan 15 '11 at 9:03
  • \$\begingroup\$ If you're in the Netherlands the voltage is 230 V, not 220 V. They changed it eons ago. \$\endgroup\$ – stevenvh Jul 31 '12 at 12:20
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If its a major brand Nokia, SE, Samsung to name a few. Get a local charger and use it, its the safest approach.

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What is the nameplate rating? A lot of newer chargers use PFC, which allows them to work from 85Vac all the way up to 265Vac...

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    \$\begingroup\$ PFC (power factor correction) is an independent issue from the voltage range. \$\endgroup\$ – Brian Carlton Jan 15 '11 at 0:15
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    \$\begingroup\$ @Brian Carlton, True, but 95% of all PFC adapters support international input range because the PFC circuit is just a special type of boost converter. There are a few exceptions, of course, but it's a general rule. \$\endgroup\$ – Thomas O Jan 15 '11 at 1:12
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    \$\begingroup\$ Even if the charger's input has no PFC stage (and I doubt it has one), it might work from 90...264V. Flyback converters often work over a wide range of rectified AC input voltages. \$\endgroup\$ – zebonaut Jan 15 '11 at 19:48
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First you need to check the voltage rating on Japanese cell phone charger. If the rating on the converter is ~110v to ~220v, that means the charger can take 220v as well. All you need is a plug adapter which you can use with existing charger. The plug adapter just allows you to plug-in your charger with square pins to your power socket.

If the voltage on the charger is just ~220v, there are two options:

  1. You can purchase a 'step down voltage converter' which can convert your power voltage to 110v for your phone. You can purchase a converter at local electronic store.
  2. Or Buy a new cell phone charger with the same output voltage as your Japanese cell charger.
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  • \$\begingroup\$ Other way around: she needs a 220V device, and has a 100V one. \$\endgroup\$ – tyblu Jan 15 '11 at 5:31

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