Yes, much smaller, lighter, and more efficient.
Otto
On 10 April 2015 at 03:47, Pabitra Saha pksaha000@yahoo.co.uk [apple-iphone] <apple-iphone@yahoogroups.com> wrote:
The reason is that they are not transformers but switched mode power supply which use an electronic circuit to do conversion and step down.
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Posted by: Otto Nikolaus <otto.nikolaus@googlemail.com>
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