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jetcity
Fanfold Paper
Posts: 8
Registered: ‎11-07-2012
Location: WA
Views: 316
Message 1 of 2

W530 Power Adapters - 170W takes a long time to charge

I have a W530 with the i7-3520M (dual) processor, when I placed my order I chose the 135W power adapter.  I also purchased a 170W to keep plugged in at my desk. 

 

I was wondering if anyone knows why the 135W charges the laptop in 2 hours and it takes at least 4 hours for the 170W to charge it?  I thought the 170 would charge faster and that's why I ordered it to keep plugged in at my desk.  The 170 was purchased directly from Lenovo.

 

Thank you!

elof
Punch Card
Posts: 74
Registered: ‎10-07-2012
Location: Sweden
Views: 298
Message 2 of 2

Re: W530 Power Adapters - 170W takes a long time to charge

That's strange.

Could you connect a physical power meter between the wall socket and your power adapter and measure the actual power consumption to see if the 170W transfer less to the computer than the 135W?

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