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Ive noticed the stock wall charger delivered with the Nexus 4 is rated at 1.2A, 5.0V. My old phone had a micro usb charger at 0.8A, 5.0V. I imagine the N4 will charge on the lower rated charger, but would take longer. Isnt the standard usb rated at 0.5A? My desktop PC has a new Asus board that has the Charge+ 3X Faster Charging, which I would guess means the usb can pump out power at 1.5A. Looking around for a car charger and additional wall charger, I imagine the N4 would be fine with a higher and lower rated charger? Or should I stick with 1.2A or less? Ive seen car chargers at 1.0A, 2.1A, and 3.0A.
the n4 will only take the current that it needs. a higher Amps- rated charger won't hurt it.
i use a 2.5A portapow quad output charger, the extra power of which enables the charging of multiple devices simultaneously.
I bought this charger for s2 when I had it.. and sold the phone immediately. However I still have this charger. Now what I want to do is, keep one charger (stock) at home and the other (Nokia one...which is also Original) at my workplace. I want to know, is it compatible? As the manual say, u shouldn't use 3rd party chargers. So I want to know your expert opinions "before" start using it on N4.
Thank you
I use my old blackberry + LG car charger
^ You think this would go fine with my N4?
The Output/Input is all same.. only 160 mA is diffrent from the Stock charger. So I don't really know.
filthykid said:
^ You think this would go fine with my N4?
The Output/Input is all same.. only 160 mA is diffrent from the Stock charger. So I don't really know.
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I charge mine from an HTC wall to usb plug, then to a thermaltake usb extender, then to a random usb to micro cable I found so it can reach to my bed so I can listen to music in bed after I fap.
lol..
Hey all,
I've been using my N10 for a week now and am wondering why and if it's normal for the tablet to require 8+ hours to recharge?
I'm plugging it into the wall using a generic USB cable and non-Samsung power block. Should that matter at all?
Signed 'confused...'
Yes, the charger matters. The stock wall charger is at 2Amps, while a normal USB connection is at 0.5Amps, for example. All devices will charge more slowly on lower amperages, but since the battery of the Nexus 10 is so huge (9000mAh - about double your average laptop), charging it from 0 to 100 will be dreadfully slow, if you're not using a proper charger.
1. Are there other wall chargers with higher Amp output that are safe to use w/ the N10?
2. Is there any long term damage to the battery using a higher or lower Amp charger?
Another issue is if the charger is made for an Apple product it doesn't short the data pins so the Nexus doesn't see it as a high amperage power supply and only pulls .5 amps.
Use the OEM Samsung charger or get one of these:
Ventev r2200 AC Travel Charger, Dual 2A USB Port 110-220v With MicroUSB Cable
http://www.amazon.com/dp/B00BSC7FW0/ref=cm_sw_r_an_am_ap_am_us?ie=UTF8
And if you want a it to charge even faster, use a pogo cable.
Original Pogo Cable for Google Nexus 10 (25% Faster Charge) - MAGNECTOR
http://www.amazon.com/dp/B00D7NZLK6/ref=cm_sw_r_an_am_ap_am_us?ie=UTF8
Sent from my SPH-L710 using Tapatalk 2
garberfc said:
1. Are there other wall chargers with higher Amp output that are safe to use w/ the N10?
2. Is there any long term damage to the battery using a higher or lower Amp charger?
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Higher than 2.1 amps? Not commercially that I'm aware of, though you could always jerry rig some contraption to deliver more.
The problem is, however, that the device will not draw the extra power. A device will draw the power it can use, and no more. I haven't tested what the draw is on my Nexus 10, but on my Note 2, it never draws more than 1.8 amps (although that reading may be a little inflated and it really only draws 1.5 amps). I suspect it's more or less the same with the N10 and the stock USB cable and Samsung 2.0 amp charger. So if you went nuts and jerry rigged a 50 amp power supply to the device, it would still only draw 1.5 amps.
Note that the draw can be affected by the USB cable you use. I've seen some USB cables draw less than 500mA where the stock Samsung USB cable draws 1.8 amps.
Bottom line is that you're not going to find a wall charger above 2.1 amps as far as I know, and even if you did, it wouldn't charge the Nexus 10 any faster. The problem is what you identified in your original post -- using some plain vanilla 500mA (0.5 amp) micro USB charger that you've had lying around the house for the past several years and assuming that it should charge just as well as the stock Samsung charger. It won't, as you discovered -- the N10 will only draw about a third of what it's capable of drawing from such a charger.
Be careful buying 2.0/2.1 amp chargers from Amazon or wherever, particularly if they're identified as Samsung chargers. They're almost always counterfeit, and no better than the 500mA chargers I mentioned above.
You might also want to look into the POGO charger cable because it allows the Nexus 10 to draw virtually the full 2.0 amps from the charger rather than 1.5.
JasW said:
Higher than 2.1 amps? Not commercially that I'm aware of, though you could always jerry rig some contraption to deliver more.
The problem is, however, that the device will not draw the extra power. A device will draw the power it can use, and no more. I haven't tested what the draw is on my Nexus 10, but on my Note 2, it never draws more than 1.8 amps (although that reading may be a little inflated and it really only draws 1.5 amps). I suspect it's more or less the same with the N10 and the stock USB cable and Samsung 2.0 amp charger. So if you went nuts and jerry rigged a 50 amp power supply to the device, it would still only draw 1.5 amps.
Note that the draw can be affected by the USB cable you use. I've seen some USB cables draw less than 500mA where the stock Samsung USB cable draws 1.8 amps.
Bottom line is that you're not going to find a wall charger above 2.1 amps as far as I know, and even if you did, it wouldn't charge the Nexus 10 any faster. The problem is what you identified in your original post -- using some plain vanilla 500mA (0.5 amp) micro USB charger that you've had lying around the house for the past several years and assuming that it should charge just as well as the stock Samsung charger. It won't, as you discovered -- the N10 will only draw about a third of what it's capable of drawing from such a charger.
Be careful buying 2.0/2.1 amp chargers from Amazon or wherever, particularly if they're identified as Samsung chargers. They're almost always counterfeit, and no better than the 500mA chargers I mentioned above.
You might also want to look into the POGO charger cable because it allows the Nexus 10 to draw virtually the full 2.0 amps from the charger rather than 1.5.
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Listen to this guy.
@JasW - Wow, thanks for the information / education. It makes a LOT more sense now.
Thanks again, F
@Gearhead_ENG - Thanks for the links! I'm going to go home and scrounge through all my old chargers and see if I have more 2Amp chargers. If not, I'll be following the links again to purchase...
So we just upgraded to Note 3 from our galaxy 3 (wife and I)...
I noticed the charger is a 2 amp charger compared to the SGS 3's 1 amp.
I started reading some threads here and found out the USB 3.0 cable will not charge the phone faster unless it's plugged into the computer.
Apparently the PCM also limits the phone to charging at 900ma. (not verified)
so I'm curious now.... at what amps does this phone charge? I'm trying to get a spare charger to keep in the car, and also trying to get a usb car charger if I can benefit from the 2.1 amp one instead of the 1 amp one that's in there now....
Can anyone tell me if I should get a 2.1amp charger or stick with 1 amp chargers as the spares if it'll still charge at 900ma?
I'm using USB 2.0 cables btw. (unless I can charge faster with the USB 3.0 when plugged to a car charger or the wall, which I apparently won't from my research here)
While I await for responses, I will plug the charger into my voltage/amp reader and we'll see how much power is being drawn, which might give an idea as to how many ma it's charging at.
For whoever that wants to know this information, these are my findings from my meter that is able to measure how much power is being drawn (kill a watt P3)
with the stock charger and USB 2.0 cable (3.0 made no difference) the phone will charge at 900ma with the screen on. If the phone is shut off, or screen is off, it goes to 1500ma. Very steady at those.
with the SGS3 charger that I had, it's a constant 900ma whether screen is on or off... (1.0 amp charger)
now I guess I will have to see if this is the case with any 2.1 amp charger, or if it's specific to samsung's charger with snapdragon's quick charge feature. I believe only certain chargers allow use of this.
I don't know, I'm getting 1800mA by using stock wall charger with USB3 cable and 450 with USB2 cable. I know GS3 would charge at faster rate when using original Samsung wall charger and cable, which had data lines shorted, not sure if it's the same with Note3.
I don't remember for sure, but I think charging rate from computer was pretty much the same 450mA regardless of USB3 or USB2 port or cable. I remember this because I was surprised they didn't take advantage of higher power ratings with USB3, but maybe it was just my particular setup. I used application that shows charging rate, so all is with phone on, but it makes perfect sense, about 2 hours from 0 to 100% charge, if you allow some extra time for trickle charge at the end, losses and usage.
pete4k said:
I don't know, I'm getting 1800mA by using stock wall charger with USB3 cable and 450 with USB2 cable. I know GS3 would charge at faster rate when using original Samsung wall charger and cable, which had data lines shorted, not sure if it's the same with Note3.
I don't remember for sure, but I think charging rate from computer was pretty much the same 450mA regardless of USB3 or USB2 port or cable. I remember this because I was surprised they didn't take advantage of higher power ratings with USB3, but maybe it was just my particular setup. I used application that shows charging rate, so all is with phone on, but it makes perfect sense, about 2 hours from 0 to 100% charge, if you allow some extra time for trickle charge at the end, losses and usage.
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and how did you measure this 1800mA?
razorseal said:
and how did you measure this 1800mA?
program is called galaxy charging current, you can get it in the play store.
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You can't compare that app to a meter that shows you the actual current being drawn
Sent from my SAMSUNG-SM-N900A using Tapatalk
why not? How do you think your meter is working? Phone has similar IC. How did you come up with your numbers first of all? I thought you plug Kill a watt into outlet and it shows what the charger is using at 110v and at about 10 watts(or is it 220-240v for your location), your unit maybe at the limit of accuracy, since the amperage would be somewhere around 100mA, where your device is designed more for larger power consumption like fridge or TV running 300-1000watts and few amps. Is your unit somehow capable of measuring what the charger is outputting and if so, how?
BTW you can't get more than 900mA from PC even over USB3, thats the max limit.
I checked again: galaxy S3 wall charger is giving me 600mA, Note3 charger with USB2 cable gives me 1200mA and Note 3 charger with USB3 cable pumps out 1800mA, computer USB gives 450mA regardless of computer port, but there is something wrong with the USB3 cable that I got, is not connecting properly and I have to wiggle it to connect so maybe bad cable is the reason I don't get higher charge rate from PC USB3.
I'm aware to take advantage of "DASH" charging (5V 4A), you need a DASH charger with the circuitry, and a DASH capable phone.
1. Can I theoretically use any USB C to USB A cable with my OP5 and DASH charger, or will the phone limit the current? I understand cables may not support 4A of current, but I want to know will the charger and/or phone stop it from pulling so much current? What if I buy a high-quality cable off Monoprice? Or does the cable have to be "DASH Certified"?
2. If I were to plug in another phone into the DASH Charger and official cable, like say a Nexus 5X, how will the Nexus charge? The Nexus usually pulls 3A from a 5V charger. Can the Nexus still pull 3A from the DASH charger, or will it be limited to 1 or 2A?
3. If I were to plug the OP5 into another, non-DASH charger, what's the maximum voltage/amps it can pull? For example, the Nexus 5X charger is rated at 5V 3A. Would the OP5 be able to pull the 3A, or does it need some special circuitry? If so, what would it draw? 2A or less?
Last question: From what I understand if I use a laptop USB C charger, things should work okay- especially if the power brick shows it suppors 5V, 9V, and 12V. I assume the device will tell it to use the 5V line and draw whatever current it can. But what if I have a USB C charger that only says 12V on it? Or say 19V? Am I taking a gamble then? Let's assume this charger that is only rated at a high voltage is not a "shady" charger, and they followed the USB C spec properly. Should I be okay?
Thanks.
Any input or insight on these questions? I've read a lot about DASH charging, but looking for clarity on the above questions.
1. You can use any cable with your dash charger but your phone won't take advantage of the dash charging speeds and instead will charge at around 1.5 to 1.7 amps. So far I haven't seen a single cable no matter the brand working at dash charging speeds so the only cable I've seen working with dash charging are the official 1+ ones.
2. I don't have my Nexus 6p anymore to test this out but theoretically a 3 amp capable phone could draw the necessary amperage from the dash charger since the dash charger is capable of up to 4A. However, I'm pretty sure the phone will charge at the traditional 1 to 2 amps.
3. Amperage, as opposed to Voltage, is drawn by the devices themselves meaning a 5V 3A charger will always push 5 volts and can give up to 3 amps of power to a connected device. The amperage may be below or equal to the capacity of the charger, but never more. Modern batteries and phones have special circuitry embedded in them to protect them from over voltage or excess current and the OP5 is no different.
When connected to a charger, a phone will usually try to identify the charger it's being connected to, if if fails to recognize its capacity, the phone will reduce the amount of current to a safe amount that's below the charger's capacity. Seeing as there are many different chargers, like 2A, 2.4, 3A, 4A, phones usually fall back to a safe charging current that's within the lowest capacity of the most common chargers so even with a 3 amp charger, the OP5 will probably charge at between 1 and 2 amps even if the charger has a 3 amp capacity.
4. Computer USB ports are fine since they have a 5 Volt power bus and any extra current needed is passed through the BMC configuration line and/or the VBUS line only when requested by the connected device. As for using a higher voltage, since voltage is pushed to the device, is not a good idea to use a charger rated with a higher voltage that of the device being charged because you run the risk of overloading the circuits. Phone chargers used in cars usually operate at 12 Volts but they have DC/DC converters and resistors to reduce the voltage to the 5 volts required for phones and tablets. I'm not aware of AC chargers being able to operate with different voltage regulators.
1, No，you can only use official cables, but, I'v tested that oppo vooc cable+micro2typec adapter, can Also dash charge at 5v 4a,Turst me ,the charge chip is in USB C
In case nobody else does, I'll answer question 2 on Friday, when I get to the office. I'll be able to try it with several USB-C capable devices.
Hope I won't forget the dash charger home.
So, as promised...
Today I tried the following devices:
- Nexus 6P, LG 5, OnePlus 5
- Nexus 6 original charger (model SSW-268EU), OnePlus 5 original charger
- LG G5 original cable, OnePlus 5 original cable
I used Ampere to measure the values. All three phones were at around 50% charging state. Temperature of the phones was around 30 °C (+/- 2 °C). Measurement time was around 1 minute.
The results represent the maximum stable values (shown for at least 5-10 seconds). Where there was a variation, it meant that the reading varied slowly between those two. One value means that the reading stayed fixed at that value. Amperage readings are expressed in Amperes. No approximation made and any variation of less than 0.1A was not taken into consideration. (i.e. 1.4A = 1400 ~ 1500 mA).
The tests are not scientifically rigorous and should be taken as such. These results are purely informative.
On the horizontal are the charger&cable combinations. On the vertical,the phones.
Moto & G5
N6P 1.2A
G5 1A
1+5 1.3-1.5A
Moto & 1+5
N6P 1.2A
G5 0.8-1A
1+5 1.3-1.4A
1+5 & 1+5
N6P 1.2A
G5 1A
1+5 3.3-3.4 A
1+5 & G5
N6P 1.1-1.2A
G5 1A
1+5 1.3A
If I forgot any details, don't hesitate to ask.
Thanks for the information! Your tests are exactly what I was looking for.
Dash Charger Stop charging at 83%
Is there anyone facing dash charger stop to charging at 83%? But with another charger can continue charging until 100%....
On the topic, there is a QC to VOOC adapter on TaoPao that someone tested on the OnePlus subreddit and it apparently works. I wonder how exactly it works, though. Apparently it's capable of getting 3A from a standard USB-C and QC 3.0 wall wart.
It was said that in order to charge at maximum power, the Note10+ needs a PD3.0 charger, with PPS support, rated at 45W, allowing to go up in current intensity to 4.5A, with a voltage of 10V, provided that you use a USB cable capable of transmitting a current of 5A.
Actually, and comparing all different kinds of chargers, I realised that the original 45W Samsung charger will charge the Note10+ at a maximum current of 30-33W, and it is exactly the same whether you use a 5A cable or a 3A cable, the current being [email protected] for both cables.
Therefore, I think that this whole 45W/5A thing is not accurate: you can use any 3A or 5A cable with the 45W charger, and you will get a good 30-33W charging power, with 20% faster charging speed than the original Samsung 25W charger.
To confirm: Has anyone tested the 45W charger with both cables?
I mean by this, using the Samsung 45W charger and a Note 10+ with 50% battery or less, first plug in with the original cable (5A) that came with the charger, write down the displayed time to charge the battery completely, then disconnect and reconnect with a standard 3A cable and note the time displayed. Compare the two times: I think they will be the same.
And if this is verified, it just means that a 5A cable is not needed for the 45W charger. A 3A cable is enough, especially as a replacement if you have lost the original cable.