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- Wed Dec 12, 2012 9:45 am
- Forum: SPCR Article Discussion
- Topic: Tiny, Silent and Efficient: The picoPSU
- Replies: 142
- Views: 271370
Re: Tiny, Silent and Efficient: The picoPSU
hello, I don't understand "efficiency is calculated as DC watts in ÷ DC watts out × 100%". What is "watts in"? - power that PSU produces or power it uses from wall outlet? I'm just confused.. for me "watts in" sounds as input power which it takes from outlet, while "watts out" is what it produces - ...