Hardware Wich USB power adapter to buy for nomade mode ?

thorasgar

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http://time.com/4678629/nintendo-switch-first-impressions-hands-on/

The only game I've been able to try so far is Breath of the Wild, and while I'm not allowed to write about it yet, I can say the battery while playing in handheld mode drains quickly, definitely near the 2.5 hour side of Switch's official 2.5 to 6 hour range. The system also seems to charge slowly while docked if you're simultaneously using it, a probable pain point if your play schedule doesn't involve breathers for the system to gulp down electricity.

As I feared in a previous post in this thread.
 

xile6

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yes so which power bank to buy? which charges enough Amps and has like 30k mAh?
We dont know. Might need a 15v system to charge and play. A 5v/9v 2amp might work for system off charging.
I will test this when i get mines
 

thorasgar

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yes so which power bank to buy? which charges enough Amps and has like 30k mAh?
As xiles6 said we don't know enough. Arstechnica doesn't know enough. The Verge doesn't know enough. Nintendo is keeping mum.

But I will add a 30k mA brick is going to be big, heavy and expensive. But if you are on a 20hr flight might be handy. I have PNY 20k 4 port and I wouldn't want one much heavier than that.
 

6adget

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So the thing with power supplies is simple to understand. You want the volts to be within what is stated by the device, but definitely not higher. The amps is where most people make a mistake. The higher the amps the safer you will be in not damaging anything. If the power supply is not able to provide enough amps, the device will try to draw the amps it needs, and eventually something is going to burn out. Most of the time it's the power supply that will be damaged, but technically it could damage the switch. So remember. Voltage should be in the range that the device requests, but the amps need to be at least what is called for, but the higher the amps the better. Never use a power supply that does not supply enough amps. If you are tech savvy enough and you have an old pc power supply, and a multimeter, you could find the 5 volt rail and solder a usb connection to it.pc power supplies provide sometimes up to and even higher than 30 amps. I am not going to give specifics on how to do that as I don't want to be liable for someone screwing something up. There are plenty of how too instruction websites for that sort of thing.
 

xile6

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I i learn all that when i was a kid. Been building and wiring up stuff at a young age. Always hard to explain to other.

And this is where the switch gets weird.
The built in battery is 3.7 volts (from the tear down leak photos), with a 3.7v battery you would need 4v plus in order to charge that battery. (you need more voltage to charge something. Think of it like this. The door need 3.7 people to push on it to open it. IF you have 5 people pushing on it it will open and you can have 1.3 people get inside the room (or battery).

MY theory on all of this. Is the switch battery is 3.7 and can be charge with any usb charger.
The problem is once the switch get power it is more or less running in full mode and trying to run purely off the chargers voltage. Which in this case would be 15volts.
Reason why when the review people said that there where playing and it started to die while charging.

It makes sense but until i get one in my hands i dont know.

Im pretty sure Nintendo will never comment on this and just say buy a official Nintendo charger.
 

6adget

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Yes, you are correct. The reason they say 15 volts is so that you can play the switch while still providing enough juice to also charge it. If you only supplied 5 volts you would at best be able to play but not charge at the same time. But depending on things like screen brightness, sound turned up, Bluetooth, and WiFi all turned on, you would most likely drain your battery while plugged into a 5 v source. Like I always tell my clients, try to find a power supply that is closest to the voltage required but no higher but make sure the amperage is at least what is required, but if possible as high as you can find it. But you don't have to get crazy with the amperage. If it calls for say 2.5, see if you can find a 3. But never ever lower than 2.5 if that is what's required. If you use one lower in amps is will let that magic white and blue smoke out of the charger and it will never work again.

--------------------- MERGED ---------------------------

I have to correct myself here. I'm sure the switch will have a negotiation chip, sometimes called a handshake chip. So say you connect to a usb port that cannot supply enough amps, the switch will then know not to draw to much from the usb port. Otherwise you would hear a ton of people complain about the switch killing the usb ports on their computers. My NVidia Shield tablet is a beast when concerning the battery, but it knows not to draw too much power when charging.
 

snoofly

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i've got 29w ipad pro fast charger plug and a usb c to c lead. i guess i'll be set to power the switch undocked and gain charge at the same time?
 

thorasgar

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i've got 29w ipad pro fast charger plug and a usb c to c lead. i guess i'll be set to power the switch undocked and gain charge at the same time?
Has Nintendo or any other source confirmed this?

Maybe, maybe not. I don't have the specs on that thing but I doubt it puts out 2.6 amps.
 

snoofly

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Has Nintendo or any other source confirmed this?

Maybe, maybe not. I don't have the specs on that thing but I doubt it puts out 2.6 amps.
This power adapter can deliver either 14.5V 2.0A (for a MacBook that supports this adapter or an iPad Pro 12.9") or 5.2V 2.4A (for any other devices)

based on that quote from the apple site, i guess then it is not sufficient ? sorry, bit of a noob with all this amps, watts volts stuff
 

thorasgar

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This power adapter can deliver either 14.5V 2.0A (for a MacBook that supports this adapter or an iPad Pro 12.9") or 5.2V 2.4A (for any other devices)

based on that quote from the apple site, i guess then it is not sufficient ? sorry, bit of a noob with all this amps, watts volts stuff
I know and it doesn't help that Nintendo is not being forthcoming. It won't take long once it is released for those with proper testing equipment to give us some results.
 

xile6

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Yes that mac charger might just work.
I saw on nintendo voice chat (youtube )
The guy said he try to charge it with his laptop and it was still dying but at a slower rate.
He said he will try with his car fast charger tho.

But yea this is basic info and they act like its there hidden secrets.
 

judebox

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Hi,
Now that the Switch is out, are there some news about the power adpaters that we can use ?
Do we have to buy the official one (15V 2,6A) ?
Some chargers for switch are sell with lower specs (ex: Subsonic -> 5V 2,4A). Could it damage the battery ?
Thx !
 

thorasgar

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I have been using normal phone charger 5V 2A for the controllers atleast without any problems. can't speak for the unit itself.
I topped off my Pro Controller when I received it. The percentage read 50% and it only drew .41A on my Drok USB 2.0 tester so you can charge that thing from a potato. I suspect the same thing for the Joyless Cons but don't have the charging grip or stand so can't test them.

Hi,
Now that the Switch is out, are there some news about the power adpaters that we can use ?
Do we have to buy the official one (15V 2,6A) ?
Some chargers for switch are sell with lower specs (ex: Subsonic -> 5V 2,4A). Could it damage the battery ?
Thx !
I have not read any credible reports that 5V will damage the battery. It just won't charge it as fast.

The official Nintendo AC charger maybe the cheapest full charging solution actually. A 15V 2A wall charger on Amazon is about $22 plus you would need a good USB C cable. Would be more versatile but cost a few bucks more.

I still have not seen a measured test result of what the Switch actually draws.
 
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