My unit only shows 1.1 amps maximum, even using 2.0 & 2.4 A chargers w/ Galaxy S4 & variety of cables, inc. OEM Samsung charging cable. Why?
1473694
I would say this link could shed some light on your issue. http://lmgtfy.com/?q=s4+maximum+charging+current
1473695
This is likely due to the USB cable that you're using to charge. Different brands and lengths make a very significant difference in charging. Normally, the shorter the cable the better. Also, look for premium cables that have a higher wire gauge (AWG) rating (though this is often difficult to find). One more thing -- they changed models (of this monitor) over in January 2014, they are now black in color. The older white ones have a large amount of resistance and will also reduce the charging rate.
1473696
The amount of current that flows into your device (phone) varies. Batteries that are nearly depleted will initially charge at a higher rate. Also as a battery gets older it won't charge at the higher rate that a new one will. Just because your charger is capable of supplying 2 amps doesn't mean that it always will. The amp meter is a great tool for finding cables that have broken strands in them and are unable to carry as much current as another one.
1473697
Are you sure that the S4 should draw a full 2/2.4A? Those are ratings from those chargers, but that doesn't mean that your S4 will draw that much current. Someone did some tests with different chargers and he never broke 1.3A: http://forum.xda-developers.com/showthread.php?t=2274321 If you have evidence online that the real-world draw of the S4 is greater than 1.3 then the problem is *STILL* with the cable or charger OR the charge regulator inside your S4. It is *HIGHLY* unlikely that the PortaPow is the problem (though not completely impossible). (Oh and sorry about alzyee. There are a lot of idiots in the world.) Are you sure that the S4 should draw a full 2/2.4A? Those are ratings from those chargers, but that doesn't mean that your S4 will draw that much current. Someone did some tests with different chargers and he never broke 1.3A: http://forum.xda-developers.com/showthread.php?t=2274321 If you have evidence online that the real-world draw of the S4 is greater than 1.3 then the problem is *STILL* with the cable or charger OR the charge regulator inside your S4. It is *HIGHLY* unlikely that the PortaPow is the problem (though not completely impossible). (Oh and sorry about... » Read More Are you sure that the S4 should draw a full 2/2.4A? Those are ratings from those chargers, but that doesn't mean that your S4 will draw that much current. Someone did some tests with different chargers and he never broke 1.3A: http://forum.xda-developers.com/showthread.php?t=2274321 If you have evidence online that the real-world draw of the S4 is greater than 1.3 then the problem is *STILL* with the cable or charger OR the charge regulator inside your S4. It is *HIGHLY* unlikely that the PortaPow is the problem (though not completely impossible). (Oh and sorry about alzyee. There are a lot of idiots in the world.) « Show Less
2252228
It is possible that ndwood may have gotten the wrong unit, or a knockoff unit. The Xentris unit I got has no such 900ma marking on the back of the unit, and is definitely a 2-Amp version, and says so on the unit itself. It also charges very fast, 1-2 hours for my phone, another indication that it is a high powered adapter.
219251
The output for the SAMSUNG GALAXY 10.1 has to be 5.0V (volt) and 2.0A (amps) and the input does not mater because nowadays all chargers are dual voltage meaning that You can plug them into outlets ranging from 100V (volts) to 240V (volts). If the voltage or the amperage is to low the GALAXY 10.1 will not recognize it as a charger but as an USB hocked up to a computer instead . I went trough this issue but was able to resolve it. The correct charger can be obtained at almost any verizon store for about $30. The model number for the Verizon charger is: SAMTABTVL. Samsung recomends though to use the original charger which can be obtained through SAMSUNG. Both chargers are available online at AMAZON for a much cheaper prize!!!!!!
1938630
I frequently charge my Galaxy s3 without any over heating problems . I'm not sure of the exact current rating of the cable though.
168986
The picture says, Apple 2.1A and Android 1.5A. The description says otherwise.Apple: iPhone 5, 4S, 4; iPads and iPods (YES, all of them) @2.4 Amp(Please use your own cable)Android Phones: Samsung Galaxy S4 S3 S2, Galaxy Note 2 / Motorola Droid RAZR MAXX / HTC One X V S; All models @2.0 Amp
1985762
It's for a 2 amp charger for the galaxy s4. The same as the one that came with my phone with the long usb cable
1588489
It says 1.8 amps charges my Note 3 pretty quick and my daughters S4 with no problems
1704350
Issue is in my region the unit does not ship with a charger. The device must have a current limit to prevent damage. Any suggestion what that limit is or what is the rating of the charger supplied in your region?
146253
Yes at least everything I've ever tried. I have a cell charger that only puts out 1 amp and I've used it to charge Kindles, Nooks etc.. I would not try to power the unit with it.
146250
If a device requires 2 amps to charge, but you only supply 1 amp, it will not charge, and it, the device will strain the charger, possibly damaging it. This is dependent on the battery type, charging circuit etc.It's best to have more available current than needed.
1840640
The cables I received could not. The Galaxy phones check that the metal portion of the micro-b plug body is conductive to the internal ground (meant to be through cable shielding, and these cables are not shielded), which is generally true only on higher quality cables. These cables do not have that conductivity, and so the phone will limit charging amperage to something less than 800 mA.
1877384
I don't know if the previous buyers actually tested the cables with an app. Although the cable does charge my Galaxy Note 2, it is only charging it at 1000mA and NOT at 1800mA. Using a different cable and same wall charger at the same percentage charge left, I can get 1800mA. I contacted customer support and they gave me some BS stating that I need a charging only cable to charge my phone at full speed, not a data sync and charge cable like this cable is.
1655098
No, there are no problems if you charge cell phones on a 2.1Amp port, The rating shown here is a limit. so let's say your phone only allows charging at 0.7 amps, You can put it in any of the 4 ports.But let's say you have a tablet that can take up to 1.8 amps you can put it in the 1 amp port but it will just take longer to charge unless you are using it at the same time where it may not actually charge it would just keep you at the same level while you were using it.
2021127
The specs say the 5v/1A as above suggests. But this charges my Galaxy S3 as fast or faster than my stock charger does. I have bought 9 so far and have one at work, one in the car (with power inverter) home and given the rest to friends and family that have had issues with slow or no charging. So while the specs say 5/1, I would guess the actual output is 5/2.
1440376
I had issues with the 1amp ports if I was charging an item that was left powered on, ranging from an older model ipod (2nd get I think) to a mobile wifi device and a Galaxy Gear watch. The 2 am ports on the other hand seemed to charge everything I threw at them, and if the device was turned off then it owuld charge on the 1amp fine. For some reason most devices would register the 1amp ports as a USB connection like plugging into a computer.
471357
The gauge has been answered, but to note that regardless I have absolutely no trouble pushing 2000mA from my charger to my phone with this. I did not test it directly, but the charging time is (approximately) the same from charger to phone with this as with the stock cable provided and charging is quick.I've tried other 26-AWG cables and lost most of the amperage.
1342338
The charger works very well, at 1 Amp and 2.1 Amps. And both together simultaneously also. Your device is a separate issue, and it's function depends on the cord you have and your device's amp requirements.