Fastest 2.1A charger for Nexus 5

[joselito76]

The HP for the touch pad work great I have two of them 2 amp

Posted via Android Central App

 

[Diogonev]

Sorry to revive this thread after so long, but I just got my Nexus 5 and coming from an iPhone 4 that always charged on my iPad's charger (2.1A) and has a smaller battery the Nexus 5 didn't seem that fast at charging. I checked the supplied LG charger and sure enough, it's 1.2A. So I plugged it to my iPad 2.1A charger and the phone says "Charging (USB)" while on the stock one it said "Charging (AC)". Does anyone know if this actually impacts anything in regards to charging speed or is the phone just confused and thinks that it's on a USB since the A he's getting is different from the stock? Anyone has any clues on this? I'd like to use my 2.1A charger, but not if it actually slows down my charging. Anyone with non-Apple 2.1A chargers can confirm if in the battery settings your Nexus 5 says USB or AC while charging? Thanks a lot for any help!

 

[Adamsberg]

Your iPad charger hasn't the modified USB output that your phone needs to "see" for to switch to fast charging mode (AC).
You might try such an adapter ...
USB to USB adapter for fast charging
Charge-only USB cable

Read the reviews

 

[Xingularity]

Somehow I think that trying to charge the phone at a higher amperage than its rated could lead to battery problems.

Posted via Android Central App

 

[Matt Casey]

Somehow I think that trying to charge the phone at a higher amperage than its rated could lead to battery problems.
Posted via Android Central App

As far as using faster versus slower chargers goes, if the charging rate is at least kept below 1C (2300mA for Nexus 5) and optimally kept below .7C (1610mA for Nexus 5), than according to Battery University there should be no measurable adverse effect on long-term battery capacity from relatively faster charging rates. Also according to Anand Tech ( AnandTech | Google Nexus 5 Review ), the Nexus 5 should automatically restrict charging rates to a maximum of 1500mA. So using 2A or 2.1A chargers would not exceed the recommended .7C charge rate and have no adverse effect on long-term battery capacity.

 

[N4Newbie]

Sorry to revive this thread after so long, but I just got my Nexus 5 and coming from an iPhone 4 that always charged on my iPad's charger (2.1A) and has a smaller battery the Nexus 5 didn't seem that fast at charging. I checked the supplied LG charger and sure enough, it's 1.2A. So I plugged it to my iPad 2.1A charger and the phone says "Charging (USB)" while on the stock one it said "Charging (AC)". Does anyone know if this actually impacts anything in regards to charging speed or is the phone just confused and thinks that it's on a USB since the A he's getting is different from the stock? Anyone has any clues on this? I'd like to use my 2.1A charger, but not if it actually slows down my charging. Anyone with non-Apple 2.1A chargers can confirm if in the battery settings your Nexus 5 says USB or AC while charging? Thanks a lot for any help!

Read my previous post (#19) in this thread. I had the same results using the 2.1 amp charger which came with my Samsung Galaxy Tab 2 10.1 tablet. And, yes, definitely much slower charging when in USB mode.

 

[flipped4dinc]

Last time I used a charger with a higher amperage than what was given with the phone, I had problems. It didn't seem to charge significantly faster and it caused erratic touch screen performance (while plugged in). I personally don't think it's worth it.

Posted via Android Central App

+1. I have a similar charger as the New Trent, a Powergen 2.4A. Depending upon the usb cable I use, it the N5 will charge fine or not charge at all.

 

[PolishDUMA88]

Strange I've had no problems charging mine at all matter fact I was at around 10% when I plugged in and started browsing about and hour ago now I'm at almost 70% that's faster than any other device I've had could charge.

 

[yoni160]

the reason that your phone says usb when connected to the apple charger is due to apple using 'communication' in the data lines to determine at what amperage to charge,
with android it works differently, when they detect shorting in the data lines they detect that they are connected to a charger and they pull as much as they need up to as
much as the charger supply, so if for example a phone can pull 1amp and you connect it to a 2amp charger that has the data lines shorted it will only take half of the capacity,
only 1amp, and if you connect it to a 0.85amp charger then that will be as much as the phone will take.
it is a good question to know what would happen if you will connect a cable with shorted data lines to an apple charger, will it take advantage of the chargers ability?
an interesting experiment that i did was with the ipad air, when it was connected to its own apple charger it took 2.73amp but when i connected it to a nexus 7 charger rated
at 2 amp it only took 1amp, the nexus charger was shown to put 1.75amp when connected to a galaxy 5.