Database Users

Nexus 10 looses battery life when charging

Hey this is a great tablet, but I noticed a bug and was curious if anyone else had this issue? When my screen is on max brightness and charging I noticed the battery will slowly lose charge. This becomes the most obvious if watching netflix or gaming. I hope someone can point me in the right direction of fixing this, unless of course it is a physical limitation of the device.
Edit: I have this problem when charging to a wall outlet, and when connected by usb. I am using the stock samsung charger. I understand the limitations of usb charging through a computer I am more suprised by the AC adapter connected to a home outlet not supplying enough current.
Sent from my Nexus 10 using Tapatalk 2

I have had this problem but only with brightness up and charging via computer.
Sent from my Nexus 10 using xda premium

Search the web I believe I read that this unfortunately is a problem with the device. Maybe it was attack of the show. I know I heard/read it somewhere.
Sent from my NookTablet using xda app-developers app

The Nexus 10 charges pretty slowly, so if it's using more power than it's getting, it's going to go down (though slower than if you weren't plugged in). Computers generally can't supply that much current, and most USB chargers are 1A. The stock charger is 2A, so use that when possible for faster charging.

rp181 said:
The Nexus 10 charges pretty slowly, so if it's using more power than it's getting, it's going to go down (though slower than if you weren't plugged in). Computers generally can't supply that much current, and most USB chargers are 1A. The stock charger is 2A, so use that when possible for faster charging.
Click to expand...
Click to collapse
The thing that you plug into a AC outlet is a power supply not a charger. The charger is in the N10. I've measured it with a current clamp meter and the N10 isn't even asking for half of the 2A that the power supply can deliver.

wptski said:
The thing that you plug into a AC outlet is a power supply not a charger. The charger is in the N10. I've measured it with a current clamp meter and the N10 isn't even asking for half of the 2A that the power supply can deliver.
Click to expand...
Click to collapse
Clamp meters generally aren't that accurate for such low amperage (obviously depends on the meter). In any case, the 2A supply can give enough for the battery to charge and for the device to be used concurrently. It may draw an amp just for charging, but that leaves another amp for the device to be used while maintaining peak charging speed.
This is all speculative, as I'm not 100% that the charging and device power usage is parallel.

Here's an easier way to determine N10 charging power that anyone can do. Get a Kill-A-Watt for $18 from Walmart, and plug the AC adapter into that. This doesn't directly tell you how much current the N10 pulls, but does allow you to infer charging current from the wattage pulled from the wall. You can then compare it with iPad 4 charging graph (in wattage) to determine N10 charging power as a percentage of iPad.
Below we see iPad 4 pulling a constant 13.6W for ~4hr before tapering off. iPad 4 uses the new 12W (2.4A) charger w/ Lightning connector. Assuming 80% conversion efficiency, it's about 10W (2A) going to iPad. iPad 4 averages 5-6hr for a full charge.
http://www.anandtech.com/show/6472/ipad-4-late-2012-review/7
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iPad 4: Battery size = 42.5Whr, charge current = 2A, charge time = 6hr. N10 has 33.3Whr battery, and also averages 6hr. Assuming similar charging power curve, N10 would need to pull 2A * (33.3/42.5) = ~1.6A to achieve same charging time. So a measurement of less than 1A charging current is likely inaccurate, unless measurement was taken at the (tapered) tail end of the charging process.
Note 1: Per Anandtech, iPad also suffers from net-loss charging under heavy use, so the slow-charging issue stems from USB charging's limitation for high-capacity devices.
Note 2: Charging power may also be limited for thermal reasons. N10 already have a thermal throttling problem as it is, and faster charging would make this worse.

rp181 said:
Clamp meters generally aren't that accurate for such low amperage (obviously depends on the meter). In any case, the 2A supply can give enough for the battery to charge and for the device to be used concurrently. It may draw an amp just for charging, but that leaves another amp for the device to be used while maintaining peak charging speed.
This is all speculative, as I'm not 100% that the charging and device power usage is parallel.
Click to expand...
Click to collapse
It's high quality amp meter using its 4000mA range. It's draw less than 1A total, so if the battery is at 80%, it's not charging it as fast as it can. It runs off the battery and the charger replaces the usage. If demand is high, more comes out of the battery than the charger is putting in, not because it can't get it from the PS either.
It could charge twice as fast but the N10's internal charger is slow.

Arg consensus says it's related to an internal charger limitation, no hope of a software fix? Well thanks for the responses.
Sent from my Nexus 10 using Tapatalk 2

e.mote said:
Here's an easier way to determine N10 charging power that anyone can do. Get a Kill-A-Watt for $18 from Walmart, and plug the AC adapter into that. This doesn't directly tell you how much current the N10 pulls, but does allow you to infer charging current from the wattage pulled from the wall. You can then compare it with iPad 4 charging graph (in wattage) to determine N10 charging power as a percentage of iPad.
Below we see iPad 4 pulling a constant 13.6W for ~4hr before tapering off. iPad 4 uses the new 12W (2.4A) charger w/ Lightning connector. Assuming 80% conversion efficiency, it's about 10W (2A) going to iPad. iPad 4 averages 5-6hr for a full charge.
http://www.anandtech.com/show/6472/ipad-4-late-2012-review/7
iPad 4: Battery size = 42.5Whr, charge current = 2A, charge time = 6hr. N10 has 33.3Whr battery, and also averages 6hr. Assuming similar charging power curve, N10 would need to pull 2A * (33.3/42.5) = ~1.6A to achieve same charging time. So a measurement of less than 1A charging current is likely inaccurate, unless measurement was taken at the (tapered) tail end of the charging process.
Note 1: Per Anandtech, iPad also suffers from net-loss charging under heavy use, so the slow-charging issue stems from USB charging's limitation for high-capacity devices.
Note 2: Charging power may also be limited for thermal reasons. N10 already have a thermal throttling problem as it is, and faster charging would make this worse.
Click to expand...
Click to collapse
The AC current drawn by the charger doesn't infer the DC current. I have "AA" charger that charges at 7.5A(not a typo) and it doesn't draw 7.5A AC. I have a car battery charges at 2, 4, 10, 40A and car start at 100A and of course, a normal wall socket is limited to 20A max.
I'll have to check that again at a lower battery level to make it wasn't in the constant voltage part of the charging process.

I measured over 1800mA current draw with the screen on full and 2400mA with full brightness playing asphalt 7
I measured my tablet going from empty to full in 5.5 hours which makes current from the PSU around 1600mA
Looks to be that USB2 can't keep up with the power this tablet can consume when working flat out. Maybe they should have gone with USB3 as that can supply up to 5A

>The AC current drawn by the charger doesn't infer the DC current.
AC current isn't considered; I'm looking only at the wattage and assuming 80% conversion efficiency. We know that USB = 5V, so from there we can infer DC amperage. It doesn't make sense to use a 2+A adapter at less than 50% of its rated output, especially when the charging time is already a long ~6hr. Using iPad as a baseline provides another point of reference, which says that 6hr charging time is probably considered "normal" for this high-capacity category.
>Maybe they should have gone with USB3 as that can supply up to 5A
As said, higher thermal would be a problem for faster charging. The underlying issue is N10's high-res screen, which only the Exy 5 can drive at the time of design, and why the latter was selected (Duarte dude said as much in N10 promo clip). The screen+SoC combo requires more power than can be compensated for, in both its thermal envelope and its charging capacity.
Found the promo clip. Listen at the 9:46 mark, or click on the link:
http://www.youtube.com/watch?v=66-4uMQqerA&t=586

e.mote said:
>The AC current drawn by the charger doesn't infer the DC current.
AC current isn't considered; I'm looking only at the wattage and assuming 80% conversion efficiency. We know that USB = 5V, so from there we can infer DC amperage. It doesn't make sense to use a 2+A adapter at less than 50% of its rated output, especially when the charging time is already a long ~6hr. Using iPad as a baseline provides another point of reference, which says that 6hr charging time is probably considered "normal" for this high-capacity category.
>Maybe they should have gone with USB3 as that can supply up to 5A
As said, higher thermal would be a problem for faster charging. The underlying issue is N10's high-res screen, which only the Exy 5 can drive at the time of design, and why the latter was selected (Duarte dude said as much in N10 promo clip). The screen+SoC combo requires more power than can be compensated for, in both its thermal envelope and its charging capacity.
Found the promo clip. Listen at the 9:46 mark, or click on the link:
http://www.youtube.com/watch?v=66-4uMQqerA&t=586
Click to expand...
Click to collapse
Watts=volts x current. 2A or 2.1A USB power supplies are a common size. Using a overrated PS isn't uncommon.

skally said:
I measured over 1800mA current draw with the screen on full and 2400mA with full brightness playing asphalt 7
I measured my tablet going from empty to full in 5.5 hours which makes current from the PSU around 1600mA
Looks to be that USB2 can't keep up with the power this tablet can consume when working flat out. Maybe they should have gone with USB3 as that can supply up to 5A
Click to expand...
Click to collapse
How did you measuring the current?

I think some of the chargers are defective.
I bought a 3rd party usb power brick and it charges in about 5 hours.
The one that came with it took overnight.

OK what others are saying is that the issue is from the limitations of USB in general unable to exceed 1.8 amps. I guess we have to wait until a decent pogo charger comes out which is rumored to have 2amps. There are 3rd party ones being sold for around 24 bucks on ebay.
Sent from my Nexus 10 using Tapatalk 2

wptski said:
How did you measuring the current?
Click to expand...
Click to collapse
I calculated these numbers from usage data.
battery capacity / hours of use
screen on full brightness
9Ah / 5 hours = 1.8A
Playing Asphalt
9Ah / 3h 40 min = 2.4A
These numbers actually close to double with the screen on around 20% brightness
---------- Post added at 11:39 AM ---------- Previous post was at 10:43 AM ----------
e.mote said:
As said, higher thermal would be a problem for faster charging.
Click to expand...
Click to collapse
There are alternatives. Microsoft managed just fine with a 24w Charger. I suspect it runs at 12V 2A, but can't find any specs
http://www.anandtech.com/show/6385/microsoft-surface-review/9
ASUS also do something similar, using 15 Volts to lower the current and reduce energy lost in heat.

skally said:
I calculated these numbers from usage data.
battery capacity / hours of use
screen on full brightness
9Ah / 5 hours = 1.8A
Playing Asphalt
9Ah / 3h 40 min = 2.4A
These numbers actually close to double with the screen on around 20% brightness.
Click to expand...
Click to collapse
How can you get 2.4A from a 2.0Ah PS?
I retested making sure my battery was low enough, at 80% with it OFF, I got around 800ma. It isn't my meter but there is one posible flaw in my setup though. I'm using a USB extension cord and it may be causing a voltage drop because of the added lenght and skewing the reading.

The voltage drop should be negligible for a USB cable, and any minor deviations should be corrected via regulator in the Nexus 10.

rp181 said:
The voltage drop should be negligible for a USB cable, and any minor deviations should be corrected via regulator in the Nexus 10.
Click to expand...
Click to collapse
Then my max 800ma charging rate is correct and skally's calculations are incorrect??

Will a 5.0v @3.0A = 15W Hurt My Battery? Or Will the Phone Throttle It?

The Factory charger is 5.0v @2.0A = 10W. I have a Google Nexus 5X Rapid Charger rated for 15W and would like to use it.
Will the phone allow the extra 5W or throttle it down to 10w?
Thanks

georgiapi said:
The Factory charger is 5.0v @2.0A = 10W. I have a Google Nexus 5X Rapid Charger rated for 15W and would like to use it.
Will the phone allow the extra 5W or throttle it down to 10w?
Thanks
Click to expand...
Click to collapse
The voltage is what has to match-- the phone will only draw the number of amps that it can from a power supply, so you will be fine. However, it might not fast charge unless the phone decides it "likes" the charger on the other end of it

How much mA is reported by Ampere app when charging with OEM charger and cable?

I bought my phone used and never had the original charger.
Can somebody measure the maximum charging current reported by Ampere app when using OEM adapter and cable?
I recently purchased a PD capable 45w power bank and the max I see is 2590 mA, which translates into 10.6W (~=4.1V x 2.6A). (Ampere measures the current drawn on the battery, not the charging circuit)
I wonder if the original 27w charger also charges at the same rate. If so, then I would conclude that it works with less than 50% efficiency.
Am I missing sth?

kolpa06 said:
Can somebody measure the maximum charging current reported by Ampere app when using OEM adapter and cable?
Click to expand...
Click to collapse
Using Ampere app:
2450mA charging
+480mA phone consumption
Equals
2930mA (right at the 3A output spec of stock charger)
Stock Brick Spec 5v/3A or 9v/3A
Sent from my PH-1 using Tapatalk

I've been doing tests over the last couple weeks with an external voltage/amp tester. When using a PD charger it actually is pulling 9V 2A but the phone displays it as 5V 3A. Those are not the exact numbers because it varies as it charges from empty to full but the point is the phone cannot display 9V because it is converted from 9V to 5V inside the phone. I have never got it to reach a full 27 watt charge using many different chargers including stock the most i got was close to 18 watts. I also have 2 essential phones I have been testing and getting the same results.

jdogg4000 said:
I've been doing tests over the last couple weeks with an external voltage/amp tester. When using a PD charger it actually is pulling 9V 2A but the phone displays it as 5V 3A. Those are not the exact numbers because it varies as it charges from empty to full but the point is the phone cannot display 9V because it is converted from 9V to 5V inside the phone. I have never got it to reach a full 27 watt charge using many different chargers including stock the most i got was close to 18 watts. I also have 2 essential phones I have been testing and getting the same results.
Click to expand...
Click to collapse
Hey saw your post here, sorry for necro-ing, but my phone also shows 5v 3.41A on a 18W charger. I was worried that something was wrong but it seems that its normal.

Aukey USB PD with PPS

Will this charger charge our device st 45w?
http://www.gadgetexplained.com/2018/09/aukey-pa-y12-fast-charging-72w-pps-usb.html?m=1

Machine_Head said:
Will this charger charge our device st 45w?
http://www.gadgetexplained.com/2018/09/aukey-pa-y12-fast-charging-72w-pps-usb.html?m=1
Click to expand...
Click to collapse
I got one and it seems to work. Usually original would show about 60 minutes to completely charge where this one charges in 44 minutes.
This is at 48%.
When started I've had phone to 20% and has charged up to 60% within 20 minutes or so. So it seems to be but don't know how to exactly check or likely don't have the tools to see if it is going at 45w or less.
But this has worked for me quite well. As rather have multiple when traveling.
Sent from my SM-N975U1 using Tapatalk

The variable voltage and current via the Power Delivery port of the AUKEY charging station means voltage and current varies according to the device between 5V 3A, 9V 3A, 12V 3A, 15V 3A and 20V 3A.
No it won't deliver 45w to the Note 10+

DaPoets said:
The variable voltage and current via the Power Delivery port of the AUKEY charging station means voltage and current varies according to the device between 5V 3A, 9V 3A, 12V 3A, 15V 3A and 20V 3A.
No it won't deliver 45w to the Note 10+
Click to expand...
Click to collapse
Good to know thanks. It is still quicker than most chargers I've gotten. So I'm good with it as it is more than enough for what I'll likely use and charge. But with this info it will then all depend on others. I'll likely later check the 45w official to see if it is really much if a difference but this works better for me and gives good battery for the charge time than I'm used to.
Sent from my SM-N975U1 using Tapatalk

DaPoets said:
The variable voltage and current via the Power Delivery port of the AUKEY charging station means voltage and current varies according to the device between 5V 3A, 9V 3A, 12V 3A, 15V 3A and 20V 3A.
No it won't deliver 45w to the Note 10+
Click to expand...
Click to collapse
The above statement isn't entirely accurate.
In basic DC electrical circuits the following formula applies:
P = V x I where:
P = Power of the circuit
V = Voltage applied to the circuit
I = Amount of current flowing in the circuit
Following this formula, this power supply can deliver 45 w at the 15 volt and 20 volt levels.
More importantly though is the fact that this power supply is of PPS variant. Meaning that it can listen to and adjust the voltage and current to the device it is charging, provided a specific cable is also used. (I will provide a link below).
So how does this new charging standard for cell phones work?
When the phone is first connected, it checks that the cable and power are capable of PPS type charging. If they aren't, it will charge the older way of just accepting a constant voltage to charge.
If it is the proper "faster" charging PPS type, then it looks at the current battery charge level and then "instructs" the power supply to provide a certain voltage level. The closer the current battery charge is to 0, the higher the voltage it will tell the power supply to deliver. So, if the battery is near 0, it will ask up to 20 volts from the power supply. So, at 20 volts and at a maximum of 3 Amps, that is how this power supply can provide 60 watts. (See above formula). Our phone can only accept 2.25 Amps at 20 volts, hence 45 Watt charging.
So, the closer the battery level was closer to 0, the fast this charger will charge..... for a time.
Once the battery gets closer to a full charge or the battery temperature is too high. Yes they monitor battery temp, this came out of the Note 7 debacle. It will tell the power supply to reduce the voltage, hence reducing the power (wattage) level to the battery and slowing the charging rate. This typically happens between 70-80% of full charge.
Sorry if this was sooo long.
This is the US version of the above power supply.
https://www.amazon.com/dp/B07HJWMYH5/ref=cm_sw_r_cp_apa_i_-BgFDbP18G9WV
This is the required cable to go with it.
Anker Powerline II USB C to USB C 2.0 Cable (6ft) USB-IF Certified, Power Delivery PD Charging Cable
https://www.amazon.com/dp/B071WNXY1R/ref=cm_sw_r_cp_apa_i_5DgFDb6V78HJY
Remember all of this just happens when connected to the USB-C port of the charger. The other ports do not support the new charging standard.

Yes it’s too long of a post for this type of forum. We all get it you have some knowledge in electrical theory and its quite notable.
Still, @DaPoets post is accurate in this case because samsung have certain requirements to get a charge to output exactly that unique charging state the phones circuitry will accept. This is used by handshaking betwixt the Emarker chips on the cable and the battery controller in the phone.
Although the charger in question maybe able to output the current as its listed on the charger itself, there still needs to be certain protocols in place that only samsung know to make a charger output that unique voltage.
Of course in time 3rd party chargers will eventually appear but its highly unlikely any 3rd party charger at this point can output that exact spec.

This whole Samsung charger tech has everyone confused and like the following article states they want to sell you there Branded chargers. That's fine, but these style chargers need to be paired with a specific "IF- certified" cable, which has chips in both ends and aids in the handshaking between phone and charger.
So, based on this article, a power supply that utilizes the PD 3.0 standard with PPS ability should fit the bill. Therefore the power supply that the original poster asked about DOES fit that bill, provided it is paired with the correct cable.
https://www.extremetech.com/mobile/...le-to-find-a-45w-fast-charger-for-the-note-10

Here is a good Reddit thread on the subject.
https://www.reddit.com/r/galaxynote10/comments/cws50p/
---------- Post added at 09:26 PM ---------- Previous post was at 09:15 PM ----------
One more post and I'll let this go.
Here is a review of an Aukey third party 45w charger. He got the same results as the OEM 45w charger.
So, to out this to bed, there are chargers available, but you really have to pay attention to the charging specs.

USB-IF are e marker cables. same thing I said.
there is no hype in what the sammy 45 W can do. there are 3rd party chargers that can output many watts/amperage of power, but if they don't have the right handshake that the sammy battery controller is looking for, the phone wont do 45W at the unique voltage the note 10 is looking for.

lmanlo said:
I got one and it seems to work. Usually original would show about 60 minutes to completely charge where this one charges in 44 minutes.
This is at 48%.
When started I've had phone to 20% and has charged up to 60% within 20 minutes or so. So it seems to be but don't know how to exactly check or likely don't have the tools to see if it is going at 45w or less.
But this has worked for me quite well. As rather have multiple when traveling.
Click to expand...
Click to collapse
What cable did you use?

ronjr123 said:
The above statement isn't entirely accurate.
In basic DC electrical circuits the following formula applies:
P = V x I where:
P = Power of the circuit
V = Voltage applied to the circuit
I = Amount of current flowing in the circuit
Following this formula, this power supply can deliver 45 w at the 15 volt and 20 volt levels.
More importantly though is the fact that this power supply is of PPS variant. Meaning that it can listen to and adjust the voltage and current to the device it is charging, provided a specific cable is also used. (I will provide a link below).
So how does this new charging standard for cell phones work?
When the phone is first connected, it checks that the cable and power are capable of PPS type charging. If they aren't, it will charge the older way of just accepting a constant voltage to charge.
If it is the proper "faster" charging PPS type, then it looks at the current battery charge level and then "instructs" the power supply to provide a certain voltage level. The closer the current battery charge is to 0, the higher the voltage it will tell the power supply to deliver. So, if the battery is near 0, it will ask up to 20 volts from the power supply. So, at 20 volts and at a maximum of 3 Amps, that is how this power supply can provide 60 watts. (See above formula). Our phone can only accept 2.25 Amps at 20 volts, hence 45 Watt charging.
So, the closer the battery level was closer to 0, the fast this charger will charge..... for a time.
Once the battery gets closer to a full charge or the battery temperature is too high. Yes they monitor battery temp, this came out of the Note 7 debacle. It will tell the power supply to reduce the voltage, hence reducing the power (wattage) level to the battery and slowing the charging rate. This typically happens between 70-80% of full charge.
Sorry if this was sooo long.
This is the US version of the above power supply.
https://www.amazon.com/dp/B07HJWMYH5/ref=cm_sw_r_cp_apa_i_-BgFDbP18G9WV
This is the required cable to go with it.
Anker Powerline II USB C to USB C 2.0 Cable (6ft) USB-IF Certified, Power Delivery PD Charging Cable
https://www.amazon.com/dp/B071WNXY1R/ref=cm_sw_r_cp_apa_i_5DgFDb6V78HJY
Remember all of this just happens when connected to the USB-C port of the charger. The other ports do not support the new charging standard.
Click to expand...
Click to collapse
A very good read. Thank you for you and everybody else's input.
Any cable that are e-marked should work, right?
Will get this charger just to satisfy my curiosity. ?

You lost me at P =
ronjr123 said:
The above statement isn't entirely accurate.
In basic DC electrical circuits the following formula applies:
P = V x I where:
P = Power of the circuit
V = Voltage applied to the circuit
I = Amount of current flowing in the circuit
Following this formula, this power supply can deliver 45 w at the 15 volt and 20 volt levels.
More importantly though is the fact that this power supply is of PPS variant. Meaning that it can listen to and adjust the voltage and current to the device it is charging, provided a specific cable is also used. (I will provide a link below).
So how does this new charging standard for cell phones work?
When the phone is first connected, it checks that the cable and power are capable of PPS type charging. If they aren't, it will charge the older way of just accepting a constant voltage to charge.
If it is the proper "faster" charging PPS type, then it looks at the current battery charge level and then "instructs" the power supply to provide a certain voltage level. The closer the current battery charge is to 0, the higher the voltage it will tell the power supply to deliver. So, if the battery is near 0, it will ask up to 20 volts from the power supply. So, at 20 volts and at a maximum of 3 Amps, that is how this power supply can provide 60 watts. (See above formula). Our phone can only accept 2.25 Amps at 20 volts, hence 45 Watt charging.
So, the closer the battery level was closer to 0, the fast this charger will charge..... for a time.
Once the battery gets closer to a full charge or the battery temperature is too high. Yes they monitor battery temp, this came out of the Note 7 debacle. It will tell the power supply to reduce the voltage, hence reducing the power (wattage) level to the battery and slowing the charging rate. This typically happens between 70-80% of full charge.
Sorry if this was sooo long.
This is the US version of the above power supply.
https://www.amazon.com/dp/B07HJWMYH5/ref=cm_sw_r_cp_apa_i_-BgFDbP18G9WV
This is the required cable to go with it.
Anker Powerline II USB C to USB C 2.0 Cable (6ft) USB-IF Certified, Power Delivery PD Charging Cable
https://www.amazon.com/dp/B071WNXY1R/ref=cm_sw_r_cp_apa_i_5DgFDb6V78HJY
Remember all of this just happens when connected to the USB-C port of the charger. The other ports do not support the new charging standard.
Click to expand...
Click to collapse

Machine_Head said:
A very good read. Thank you for you and everybody else's input.
Any cable that are e-marked should work, right?
Will get this charger just to satisfy my curiosity. ?
Click to expand...
Click to collapse
This is the 6.6 ft cable I ordered. I use this only for my charging needs, so didn't I care about video support.
What I did want was an IF-Certified 100w cable.
Works good.
Cable Matters USB-IF Certified USB C to USB C Cable 100W Power Delivery in Black 6.6 Feet (USB 2.0 Speed, No Video Support) https://www.amazon.com/dp/B0756QGTVQ/ref=cm_sw_r_cp_apa_i_J4bGDb9SM15WH

Bumping an old thread...
I see this and the reddit post saying the aukey charger works. But the Amazon listing for the charger specifically says it cannot fast charge the note 10.
I'm confused.

edit

10V - 4.5A is what the Note 10 plus takes for 45w charging and that one doesn't seem to do that but Samsungs own 45w charger is dropping in price, I got mine for 37 quid a few weeks ago and there's also the Elecjet PowerPie 45 PPS powerbank you can get for between 50 and 60 quid
https://www.amazon.co.uk/ELECJET-Po...owerpie&qid=1584195250&sprefix=Elecjet&sr=8-1
https://elecjet.co.uk

Charging speed

To power up, you consume Red Bull. But your phone just needs its adaptive fast charger. Rate this thread to express how quickly the Moto G Power can charge. A higher rating indicates that it charges extremely fast.
Then, drop a comment if you have anything to add!

This phone definitely can take up to 15 watts but it's picky

mingkee said:
This phone definitely can take up to 15 watts but it's picky
Click to expand...
Click to collapse
i don't really notice that, so i did some testing:
i used an old charger from an old htc ( about 8 years old) it charges with 5 volts, 1.5 amp ( so 7.5 watts total), exactly what i'd expect ( it is rated 1.5 amp)
i tried my 10 year old htc adapter, but it wouldn't charge, it would only connect/disconnect and volt and amps were very wonky , it couldn't establish a connection. ( just threw it a way, just in case)
If you use a quickcharger ( the motorola provided with the phone) it charges with 6 volts, 2.8 amps , which is roughly 16.8 volts
if you use a cheap chinese quickcharge, my measurements are 5.6 volts @ 2.7 amp which would be 15 watts , it is a bit less stable.... ( voltage and amperage are a bit wonky, but still charging ok.
further i tried a 5 volt 2 amp ( cheap Chinese) charger, and it charged with exactly 5 volts , 1.5 amps. which is 7.5 watts
so if you have a "decent" charger, you get what is promised, if you use a cheap chinese one you get what you should expect.
So what do you mean exactly with "a bit picky"?

pjottrr said:
i don't really notice that, so i did some testing:
i used an old charger from an old htc ( about 8 years old) it charges with 5 volts, 1.5 amp ( so 7.5 watts total), exactly what i'd expect ( it is rated 1.5 amp)
i tried my 10 year old htc adapter, but it wouldn't charge, it would only connect/disconnect and volt and amps were very wonky , it couldn't establish a connection. ( just threw it a way, just in case)
If you use a quickcharger ( the motorola provided with the phone) it charges with 6 volts, 2.8 amps , which is roughly 16.8 volts
if you use a cheap chinese quickcharge, my measurements are 5.6 volts @ 2.7 amp which would be 15 watts , it is a bit less stable.... ( voltage and amperage are a bit wonky, but still charging ok.
further i tried a 5 volt 2 amp ( cheap Chinese) charger, and it charged with exactly 5 volts , 1.5 amps. which is 7.5 watts
so if you have a "decent" charger, you get what is promised, if you use a cheap chinese one you get what you should expect.
So what do you mean exactly with "a bit picky"?
Click to expand...
Click to collapse
It can charge pretty quickly with Verizon 27 watts PD charger and Motorola 27 watts charger came with One Hyper, and it charge in decent speed with Anker 18 watts charger
Everything else is not much