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Community Moderator
Community Moderator
Posts: 1,053
Registered: ‎07-13-2010
Location: CA
Views: 9,225
Message 11 of 88

Re: What's with the Yoga 3 Pro power adapter - it's a USB charger too?

Looks like I'll need to order a second one too. The current one is... finicky. I don't like to tear down these power bricks unless necessary. I thought it was the cable originally, but it looks like there might be a bit too much flex in the design of the NEMA 15 prongs. I have to poke it a few times to get the plug to work right Smiley Sad

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Tap that kudos button if I helped ^^
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jrhyatt
Paper Tape
Posts: 6
Registered: ‎02-10-2015
Location: Petaluma, CA and Huizhou China
Views: 9,190
Message 12 of 88

Re: What's with the Yoga 3 Pro power adapter - it's a USB charger too?

I have searched for some answers to better understand this power adaptor.

Notice the output specification on the adaptor is: 20V DCV 2.0A OR 5.2DCV 2.0A.

OK so show me the details on that.  Dual output I assume if I change the output cord to one with a micro USB it will also charge my phone, never assume!

Lastly who was the designer of this?  You missed the boat by a day or two.  Consider a slide out portion for the plug as Apple uses, Artic uses, OH YES others than Apple so there is not a design patent issue, that would allow a figure 8 slide in so you could use the thing in a work environment and it would be more flexable.  

And lastly the price of a new one is around $79 US$!?!?  Come on we purchase powwer supplies in China too and they run about 14 to 24 RMB, that is about $2.5 to $4.0 US$

Community Moderator
Community Moderator
Posts: 1,053
Registered: ‎07-13-2010
Location: CA
Views: 9,183
Message 13 of 88

Re: What's with the Yoga 3 Pro power adapter - it's a USB charger too?

I haven't done any electrical tests, but I presume the 20V bus is only enabled when a Y3P does proper handshaking over the USB data lines, similar to current quick chargers.

 

As noted above, the charger is a standard 5.2V 2A power supply. There are two more proprietary power lines that output 20V at 2A to charge the laptop.

 

Sadly, the hightened costs is probably due to this feature alone. The USB cable connectors seem to be 100% proprietary, which means an increased production cost. 

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Tap that kudos button if I helped ^^
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joebobcooter
Paper Tape
Posts: 4
Registered: ‎01-27-2015
Location: USA
Views: 9,150
Message 14 of 88

Re: What's with the Yoga 3 Pro power adapter - it's a USB charger too?

Looks like the power adapter info is a well-kept secret at Lenovo.

 

The part number I got from "Phyllis" at Lenovo was Part #GX20H34904...its on order; I cannot validate that it works, but I will report back. 

 

Link for part -Lenovo Accessories Link

 

Agent ID - 2900717372. When you complete the checkout, place it in the Agent ID field; she deserves some credit for knowing this...

 

 

yonimin
What's DOS?
Posts: 2
Registered: ‎03-04-2015
Location: israrl
Views: 8,881
Message 15 of 88

Re: What's with the Yoga 3 Pro power adapter - it's a USB charger too?

can i use any usb cabel to charge my y3p by the original adapter?

Kroni1986
Punch Card
Posts: 12
Registered: ‎03-02-2015
Location: Germany
Views: 8,878
Message 16 of 88

Re: What's with the Yoga 3 Pro power adapter - it's a USB charger too?

No, you cannot use any USB cable. Normal USB cables have 4 Connector PINS and give you 5V. The Lenovo Cable has 6 Connector PINs and gives you 20V.

 

The Power Adapter recognized which type of cable you connect and then you get 5V or 20V. If you connect a normal USB cable your Y3P will NOT charge. But you can connect a normal USB to microUSB and charge your phone with it for example.

 

At the moment there are no adapters or cables from other vendors. You have to buy them from the lenovo shop.

mcheth
What's DOS?
Posts: 1
Registered: ‎03-04-2015
Location: USA
Views: 8,862
Message 17 of 88

Re: What's with the Yoga 3 Pro power adapter - it's a USB charger too?

Good luck when ordering this adapter from Lenovo or anywhere else. We have been waiting 2 months to receive this adapter from Lenovo and were just notified on Mar 3 that our order is again delayed. It is crazy that Lenovo has a computer they sell that only can use this power adapter and does not have replacements available.
yonimin
What's DOS?
Posts: 2
Registered: ‎03-04-2015
Location: israrl
Views: 8,859
Message 18 of 88

Re: What's with the Yoga 3 Pro power adapter - it's a USB charger too?

so sad!!!
thank you !! vary much!!

nikhen
What's DOS?
Posts: 2
Registered: ‎03-14-2015
Location: New Zealand
Views: 8,695
Message 19 of 88

Re: What's with the Yoga 3 Pro power adapter - it's a USB charger too?

absolutly agree, no chance to buy this cable in NZ. What a bad service. If anybody has a link where to buy one for ANZ would be great.

Community SuperMod
Community SuperMod
Posts: 4,668
Registered: ‎04-25-2008
Location: US
Views: 8,668
Message 20 of 88

Re: What's with the Yoga 3 Pro power adapter - it's a USB charger too?

Hi nikhen, and welcome to the Lenovo User Community!

 

The new AU part number for hte Yoga 3 Pro "40 W Slim travel Adapter" is GX20H34899, and it is on sale right now in the Australia lenovo.com store, here.

 

Hope this helps!

I don't work for Lenovo. I'm a crazy volunteer!

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