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  • Overall Rating: 4
  • Price: 3
  • Quality: 4
  • Ease Of Use: 4
  • Usefulness: 4
swings both ways ok. WATCH THAT SWITCH! – 110V~220V Bidirectional AC Power Transformer Adapter (80-Watt Max) Reviews

posted by meridor on 03/01/2010 Certified Owner

Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month

Pros:
Swings both ways - can convert from 220 to 110 and from 110 to 220. The socket on the back can accept both American/Japanese and European plugs (see picture in the description) The prongs on the input side are non-polarised , non-grounded parallel blades (like in USA, Canada, Japan). Work with all us/jp sockets.
Cons:
Too easy to switch incorrectly. The voltage shown near the switch is the INPUT VOLTAGE. Watch out when connecting. The prongs are American/Japanese only, so an adapter will be needed to use this in Europe. (DX sells those too). Low power (only 80W). Good for one dvd player OR one small TV, most probably not for both at the same time.
Other:
If you buy the Euro to US prongs adapter, check the Euro prongs to see if they fit YOUR socked. Grounded sockets in Europe need thicker prongs. DX sells both thick and thin adapters, just buy the correct one (or both, if you don't know in advance what to expect). When in Europe NEVER set the input switch to 110 (you risk frying the transformer AND sending 440V down to the 110V appliance).
Bottomline:
One less barrier in carrying small appliences overseas. Again DO WATCH THAT INPUT SWITCH or risk badly frying the appliance and the transformer.

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