Keep in mind, USB 2.0 & 3.0 still cover lower speeds. The USB charging spec, I think, doesn't actually include any data transfer. On Dec 17, 2012 12:15 AM, "Andrew Webber" <[email protected]> wrote:
> Thanks, that makes sense. So if i understand correctly, my question > shouldn't be what does the L9 tip deliver but what does the travel adapter > deliver? Will look that up in the morning. > > The phone is a galaxy SIIx (from Telus but virtually identical to TMobile > version including ability to run on wind, mobility, videotron in Canada and > tmo in us). And being blown out at ridiculous low prices by koodo and best > buy Canada (off topic but happy to discuss). > > Don't think it does usb3 though its mhl (hdmi adapter available but i > haven't really tested mine). > > =aw > > > Alex Austin <[email protected]> wrote: > > >While the adapter may provide >500mA, the phone won't take it unless > >the > >adapter it's plugged into identifies itself as being able to supply > >lots of > >current. The Samsung adapter does that. My Motorola adapter does that, > >too. > > > >USB 3.0 includes a charging spec (up to 1.5A, I think), but no clue > >whether > >your Samsung phone implements it. > > > >- Alex > >-- > >Smart is knowing that a tomato is a fruit. Wise is knowing better than > >to > >put one in a fruit salad. > > > > > > > >On Sun, Dec 16, 2012 at 4:26 PM, Andrew Webber > ><[email protected]>wrote: > > > >> I was very pleased to finally be able to use the USB tip that came > >> with my travel adapter a couple of years ago. It's not working well > >at > >> all. :( > >> > >> I've got one side of the Y plugged in to my X220 (tip 20V) and the > >> other side to USB. My phone was at 10% when I started and it kept > >> giving me low-battery warnings while plugged in. I was using a > >generic > >> USB cable and a mini-to-micro adapter. The phone was recognizing it > >> was plugged in, showed the charging symbol, then every couple of > >> minutes gave the 10% warning, which makes me think it was losing its > >> plugged-in-ness. Eventually it got down to 8%. > >> > >> Now I've got the stock Samsung USB-to-micro cable plugged in to the > >L9 > >> tip and it's climbed back up to 9%. Perhaps either the adapter or the > >> cable were faulty. Guess I'll have to test further (try them with the > >> Samsung 120V adapter etc.). > >> > >> That said, I can't find anything that specs the L9's output. Is it > >> 500mA, 1A, 2A, or something else? I know a notebook port (500mA) > >takes > >> forever to charge compared to the Samsung wall adapter (2A I think). > >> So if the Lenovo L9 is 500mA I might as well use the computer, and > >> better still I should shop for another couple of 2A plug adapters. > >> > >> Thanks! > >> > >> - - > >> Andrew mailto:[email protected] > >> > >> _______________________________________________ > >> Thinkpad mailing list > >> [email protected] > >> http://stderr.org/cgi-bin/mailman/listinfo/thinkpad > >> > _______________________________________________ > Thinkpad mailing list > [email protected] > http://stderr.org/cgi-bin/mailman/listinfo/thinkpad > _______________________________________________ Thinkpad mailing list [email protected] http://stderr.org/cgi-bin/mailman/listinfo/thinkpad
