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[Q] charge through USB

Can the transformer charge through a usb cable connected to a computer? Every time I try it won't do it (I'm plugging it into a usb 2.0). I can only charge by using the AC adapter. Anyone see this?

Only of the screen is off or the power is off, and even then it's very very very very slow.
So for all intents and purposes, no.

Why not charge it through power adapter?
For mobility, I ordered this:
charger cable extension (to make the USB charging cable longer)
USB 3.0 A male - A Female Extension Cable (10 feet)
Not really a asus accessory but for myself I ordered this mini surge protector with dual USB ports... being in south, we get a lot of lightening storms so this is a must (for bed-side and you don't want to buy huge surge protector). Plug into wall next to a PC or something:
Belkin mini surge protector dual USB charger
Hope that helps!

dotpro said:
Why not charge it through power adapter?
For mobility, I ordered this:
charger cable extension (to make the USB charging cable longer)
USB 3.0 A male - A Female Extension Cable (10 feet)
Not really a asus accessory but for myself I ordered this mini surge protector with dual USB ports... being in south, we get a lot of lightening storms so this is a must (for bed-side and you don't want to buy huge surge protector). Plug into wall next to a PC or something:
Belkin mini surge protector dual USB charger
Hope that helps!
Click to expand...
Click to collapse
Let us know if that extender cable works for data and/or charging. Thanks!

it charges in 1 of 2 ways
USB [email protected]=10watts
Wall [email protected]=18watts
so, as you can see, the wall is the much more effective choice.

dotpro said:
Why not charge it through power adapter?
For mobility, I ordered this:
charger cable extension (to make the USB charging cable longer)
USB 3.0 A male - A Female Extension Cable (10 feet)
Not really a asus accessory but for myself I ordered this mini surge protector with dual USB ports... being in south, we get a lot of lightening storms so this is a must (for bed-side and you don't want to buy huge surge protector). Plug into wall next to a PC or something:
Belkin mini surge protector dual USB charger
Hope that helps!
Click to expand...
Click to collapse
I have one of those Belkin units, they're very nice. But I can't find the specs showing the output on the USB ports. Is 15V @ 1.2amps a standard and this supports it? A bit ignorant about such things...

wynand32 said:
I have one of those Belkin units, they're very nice. But I can't find the specs showing the output on the USB ports. Is 15V @ 1.2amps a standard and this supports it? A bit ignorant about such things...
Click to expand...
Click to collapse
Powered USB Output
5V/500mA each port

Charging through USB 3.0 from expansion card?
Has anyone try charging TF (& Dock) through USB 3.0 available from expansion card?

I have and it doesn't work but several people have tried and it does. Seems to be hit and miss as to whether it works or not. Even same usb 3 cables have different results.

steftymo said:
Seems to be hit and miss as to whether it works or not. Even same usb 3 cables have different results.
Click to expand...
Click to collapse
There could be many things at fault here. First would be the usb 3 port and whether its on the mobo or card, and then i would put fault on the drivers (or not having installed them)

Why don't people want to use the charger that came with the unit? I can't imaging not using a unit with a least the same output (V & A) as the factory unit. Also, does anyone know if the pinouts track with what is coming out of a USB 2.0. It would not be too good to put power into the wrong pins.

patriotaus said:
There could be many things at fault here. First would be the usb 3 port and whether its on the mobo or card, and then i would put fault on the drivers (or not having installed them)
Click to expand...
Click to collapse
No I mean to say that some people, including me, are trying to extend the charging cable by inserting a usb 3 extension cable between the mains charger and the tf.
It works for some, not for others

[Q] Transformer not charging with extension

As the cable is too short, I attached an extension cable.
However, now it does not charge. If i connect the short cable that came with the Transformer, it charges fine. Any suggestion?

The TF101 "short cable" as you call it, is a USB3 cable, what has +5 pins inside. One of these pins control the 15V charging (the tablet takes 15V from the charger instead of the usual 5V USB), if it can not send the signal through, it won't charge. You need a USB3 extension cable what's pretty expensive though.

Get this one or a similar one. As you can see, 2 reviewers vouch that this cable works.
http://www.amazon.com/StarTech-6-Fe...1?s=electronics&ie=UTF8&qid=1316952334&sr=1-1

ondoy1943 said:
Get this one or a similar one. As you can see, 2 reviewers vouch that this cable works.
http://www.amazon.com/StarTech-6-Fe...1?s=electronics&ie=UTF8&qid=1316952334&sr=1-1
Click to expand...
Click to collapse
I can vouch for it, too.

Got on of this USB 3 cable while at HK and work without any problem.

Thank you guys. Will be purchasing one. I am guessing Belkin F7C008QAF Conserve Valet USB Charging Station - Energy Saving wont be working with this :/

That is correct, because the transformer looks for termination of one of the usb 3 pins, if you plug it into a usb 2.0 or lower extension/hub it just wont work. You must have a usb 3 extension/hub, or, there are many DIY chargers that are probably cheaper than a usb 3 extension cable and definately cheaper than a usb 3 hub.

Even a usb 3.0 hub or charging station will not charge it. Usb does not provide the voltage required. Only the outlet adapter will work
Sent from my mopho

Are you saying that my cigarette outlet will be the only thing that charges this?

It won't charge it all with anything unless turned off. Guess I need to make a hybrid cable
Posted on the fly with my XPLOD Evo4G

Stock charger with USB extension cable.

I'm using the stock charger but the cable is a bit short for me. I have two 3' USB extension cables but neither of them allow the tab to charge. The tab lights up as though I plugged the charger in but it doesn't ding nor does it actually charge. That are standard extensions and work with my Kindle & various HTC cell phones but not my TF300T. Anyone know why or could someone suggest a brand/type of USB extension cable that would work? I am also comfortable with buying a new one and rewiring or swapping wires on it if need be or buying wire and 2 ends and soldering it myself.
Since the tab is 15v and USB is 5v I'm guessing they swapped a wire somewhere in the plug to allow for more voltage.
Thoughts?

Kipper667 said:
I'm using the stock charger but the cable is a bit short for me. I have two 3' USB extension cables but neither of them allow the tab to charge. The tab lights up as though I plugged the charger in but it doesn't ding nor does it actually charge. That are standard extensions and work with my Kindle & various HTC cell phones but not my TF300T. Anyone know why or could someone suggest a brand/type of USB extension cable that would work? I am also comfortable with buying a new one and rewiring or swapping wires on it if need be or buying wire and 2 ends and soldering it myself.
Since the tab is 15v and USB is 5v I'm guessing they swapped a wire somewhere in the plug to allow for more voltage.
Thoughts?
Click to expand...
Click to collapse
You have to use a USB 3.0 extension cable.

Seriously? That's it? Man, I feel like a dummy. It never would have occurred to me that 3.0 was necessary. Thank you for the help!

Kipper667 said:
Seriously? That's it? Man, I feel like a dummy. It never would have occurred to me that 3.0 was necessary. Thank you for the help!
Click to expand...
Click to collapse
Yep that is it.

I bought my USB 3.0 extension cable from www.caseen.com. They also carry the stock chargers, cables and a couple other items that I was unaware even existed (a 2 port USB hub that plugs into the USB on your TF300T dock WITH an Ethernet port so you can connect DIRECTLY instead of staying wireless!). Fairly decent pricing and fast shipping.

Does it matter which USB cable I get?

This is probably a noob question, but is there any specific micro usb cable I should get for this phone? The one that comes with it is so short. Is there any specific wattage or mAh I need to look for before buying a longer cable?

I don't think usb cable matters ,,,,only thing is you have to use correct adapter

pchetan2 said:
I don't think usb cable matters ,,,,only thing is you have to use correct adapter
Click to expand...
Click to collapse
Hmmm... how would I know which car charger to get then? The one I got has a 2.4a port and a 2.1a port

You can use the same adapter that came within the box

USB cables make a huge difference, more than people realize, especially if you want a cable that's longer than 3ft. Try to find one that has 24AWG wiring

Yes, it does matter. Since we can't see internal wires, we don't know what its gauge is. I have changed to original cable (comes with phone) to get faster charging.
Sent from my SGP561 using Tapatalk

ngvuanh said:
Yes, it does matter. Since we can't see internal wires, we don't know what its gauge is. I have changed to original cable (comes with phone) to get faster charging.
Sent from my SGP561 using Tapatalk
Click to expand...
Click to collapse
You can search for them, and a lot of times it is imprinted on the cable. look for 28/24AWG, this means that the signaling wires are 28AWG and the power wires are 24AWG. The safest bet is to get genuine cables for any of the leading smartphone manufacturers like Samsung, LG or Motorola.
Monoprice is also a good source - http://www.monoprice.com/Product?c_id=103&cp_id=10303&cs_id=1030307&p_id=5458&seq=1&format=2

I know cable specification would be imprinted out side with most trusted brands, but some times there is no print on cheap chinese cables.
Sent from my SGP561 using Tapatalk

yeah it matter i tried charging mine with the samsung adapter but a longer USB cable from ebay somewhere didn;t even charge the phone to 100% over night got to 80.

Power bank with built-in Type-C cable?

Does anyone know of any power banks with Type-C with a cable built into them? I can find a lot of them for MicroUSB and Lightning, but none for USB-C. (I ask because my previous phone had wireless charging, so I used a Qi power bank to avoid having to bring a cable with me, but I can't do that anymore.)

Bump.

http://www.maximas.mobi/

afnaf said:
http://www.maximas.mobi/
Click to expand...
Click to collapse
Interesting product, shame it doesn't have a built in cable though

Have a look at eg. the iVoler 10000mAh Power Bank. This one doesn´t have a built in USB Type C cable but it offers a small cable which fits in every pocket. I guess that this is still better than nothing?

Gorgtech said:
Have a look at eg. the iVoler 10000mAh Power Bank. This one doesn´t have a built in USB Type C cable but it offers a small cable which fits in every pocket. I guess that this is still better than nothing?
Click to expand...
Click to collapse
I'm trying to avoid the cable being separate from the charger in my pocket.

there isn't one yet

I had a 3,000 mah version of this that they don't seem to sell anymore for long nights out with my S6 Edge. I think OP is looking for something like this, so am I, since Amazon doesn't have a version with a USB C connector.

appledroid said:
I had a 3,000 mah version of this that they don't seem to sell anymore for long nights out with my S6 Edge. I think OP is looking for something like this, so am I, since Amazon doesn't have a version with a USB C connector.
Click to expand...
Click to collapse
Yes, a Type-C version of that is exactly what I'm looking for. At this point, I'd even be happy with a MicroUSB one that had a slot to keep a MicroUSB-to-TypeC adapter in (like how some now have slots for MicroUSB-to-Lightning adapters).

jackmcbarn said:
Yes, a Type-C version of that is exactly what I'm looking for. At this point, I'd even be happy with a MicroUSB one that had a slot to keep a MicroUSB-to-TypeC adapter in (like how some now have slots for MicroUSB-to-Lightning adapters).
Click to expand...
Click to collapse
Prior to owning that powerbank, I had this, which I later gave away to a friend with an iPhone. I'm wondering now if it's possible to just buy the USB C adapter and bin the lightning one that comes with it. Worth a try perhaps?

appledroid said:
Prior to owning that powerbank, I had this, which I later gave away to a friend with an iPhone. I'm wondering now if it's possible to just buy the USB C adapter and bin the lightning one that comes with it. Worth a try perhaps?
Click to expand...
Click to collapse
I thought about that too, but I'm worried that a type-C adapter won't fit in the Lightning slot since it's bigger.

Still no powerbank with built in type C cable?

I bought on aliexpress, Aukey 16000mah with Quick Charge 2.0 and USB-C.
Sorry my bad English

@DioDk
I think you misunderstand. This thread is not about finding a powerbank that have USB C port on it. It's about finding a powerbank that have a USB C cable permanently attached to it. Something like this, but USB Type-C:
https://www.amazon.co.uk/Iceworks-5...1-spell&keywords=powerbank+with+cable+imbuilt

I purchased Aukey power bank from amazon several months ago.. the specs are the following: 30000 Mah, 2 usb type A ( one of them supports qc 3.0) and usb type c slot, microusb port is for charging purposes. I'm very satisfied with the product and I recommend u to take a look at it.
https://www.amazon.com/AUKEY-30000mAh-Portable-Charger-Lightning/dp/B01HRAG2KM