Aaronlkl Supersonic June 8, 2014 Share June 8, 2014 (edited) Anyone come across this device called Power Star? It claims to cut monthly electric bill by 30%. Anyone using? Does its work or just snake oil? Please share. Thanks! www.senghongtrade.com Note: This is a household product. Nothing to do with automobile. Edited June 8, 2014 by Aaronlkl ↡ Advertisement 4 Link to post Share on other sites More sharing options...
Aaronlkl Supersonic January 15, 2015 Author Share January 15, 2015 No one uses this product b4? 4 Link to post Share on other sites More sharing options...
ChickenMob 6th Gear January 15, 2015 Share January 15, 2015 never hear before also......... Link to post Share on other sites More sharing options...
Kb27 Supersonic January 15, 2015 Share January 15, 2015 Don't believe too much. If it really works, every household would have one already. 1 Link to post Share on other sites More sharing options...
Kb27 Supersonic January 15, 2015 Share January 15, 2015 These kind of power saving product always make the same claim. 1. Your energy usage is inefficient. Power factor less than 1. So you have "lost" energy which PS bills you. This is due to motor usage like aircon compressors, vacuum cleaners, etc. 2. Their product are usually capacitors use to correct power factor nearer to 1. Some people say, your power or watt meter may not even read kW (real heating value), it may be reading kVA, which is not affected by any pf correction. For any pf correction you do, you are only helping the PS, but not getting any change back. If you need a whole bunch of capacitors, it's only US$3 for 5 pcs: http://www.aliexpress.com/item/CBB61-1-2uF-450V-AC-Capacitor/32229477130.html?s=p Same claim they use for voltage stabilizer for car. It's just a bunch of over-priced capacitors they are selling you in a pretty box. ↡ Advertisement Link to post Share on other sites More sharing options...
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