farang000999 Posted June 9, 2016 Share Posted June 9, 2016 Perhaps because of difference in voltage? Seems strange to me. Link to comment Share on other sites More sharing options...
colinthailand20005 Posted June 9, 2016 Share Posted June 9, 2016 (edited) I don't think it will be the voltage because the chargers normally work on around 100-240 volts just fine. Is it an original charger? Edited June 9, 2016 by colinthailand20005 Link to comment Share on other sites More sharing options...
drupopuppis Posted June 9, 2016 Share Posted June 9, 2016 I don't think it will be the voltage because the chargers normally work on around 100-240 volts just fine. Is it an original charger? Confirmed, the charger works worldwide. Link to comment Share on other sites More sharing options...
DogNo1 Posted June 9, 2016 Share Posted June 9, 2016 Try another charger. They do malfunction and go bad. Make sure that the charger that you use is putting out 2.0 maH or more. Computer shops should have a tester. Link to comment Share on other sites More sharing options...
SoiBiker Posted June 9, 2016 Share Posted June 9, 2016 You mean amps, not mAh - an iPhone needs at least 1A to charge, preferably 2. I suspect the OP may be using a substandard charger or a computer USB port. Link to comment Share on other sites More sharing options...
mtls2005 Posted June 10, 2016 Share Posted June 10, 2016 What model iPhone? What charging method are you using? What are the specs on the charging unit? Can you frame "ridiculously slow" in standard units of time? Using a ~ 2 amp output (with 5 V DC) you start to approach the iPnone 6/Lightning capacity of 12 watts. If you are using a 1 amp supply then it will take at least twice as long. It charged faster in the U.S. than here, using the exact same charger? Not sure that makes any sense. Some external battery packs have two USB supplies, one with 1 amp output and the other for 2 amps. Maybe read up on your iPhone mode/slow charging. This seems to be a common problem, with multiple causes and solutions. Link to comment Share on other sites More sharing options...
mike324 Posted June 10, 2016 Share Posted June 10, 2016 Chargers rated at 1 Amp charges very slow compare to the 2 Amps one. Make sure the charger is not very warm or hot, it may be defective if it is very warm to touch - cheap no brand chargers tend to have a high defective rate. Voltage don't make a difference as pretty much all chargers are rated 110-240v. I've learn my lesson with cheap no branded chargers, pay more and buy a branded one. Link to comment Share on other sites More sharing options...
farang000999 Posted June 10, 2016 Author Share Posted June 10, 2016 This is the originally charger. It is for an iPhone 5. It took 2 hours to go from 50% to 100% charged. Link to comment Share on other sites More sharing options...
wooloomooloo Posted June 10, 2016 Share Posted June 10, 2016 (edited) It took 2 hours to go from 50% to 100% charged. That's not so bad. If you plugged in via the USB it would probably take about four hours. Edited June 10, 2016 by wooloomooloo Link to comment Share on other sites More sharing options...
farang000999 Posted June 10, 2016 Author Share Posted June 10, 2016 In the US it would take me 20 minutes to go 50 - 100%. ?? Link to comment Share on other sites More sharing options...
wooloomooloo Posted June 10, 2016 Share Posted June 10, 2016 I have had many iPhones and they certainly don't charge from 50 to 100% in twenty minutes. Link to comment Share on other sites More sharing options...
Aussie69 Posted June 10, 2016 Share Posted June 10, 2016 In the US it would take me 20 minutes to go 50 - 100%. ?? Perhaps thats because power is bigger & better in America Link to comment Share on other sites More sharing options...
KMartinHandyman Posted June 10, 2016 Share Posted June 10, 2016 In general to conserve battery and decrease charge time,, 1) Double press home button Swipe to close all apps frequently 2) Turn off wifi if connecting via cellular 3) Put phone on airplane mode when charging. It turns off all services and charges 40% faster. Remember to turn on when finished. I have experienced similar poor charging and believe it to be defective charger and or cord related. Genuine apple charger and cord from 100% reputable supplier is my recommendation. Link to comment Share on other sites More sharing options...
Naam Posted June 10, 2016 Share Posted June 10, 2016 In the US it would take me 20 minutes to go 50 - 100%. ?? Perhaps thats because power is bigger & better in America Link to comment Share on other sites More sharing options...
jacnl2000 Posted June 10, 2016 Share Posted June 10, 2016 Lightning port may or may not have collected dust. Link to comment Share on other sites More sharing options...
KhunBENQ Posted June 10, 2016 Share Posted June 10, 2016 In the US it would take me 20 minutes to go 50 - 100%. ?? Perhaps thats because power is bigger & better in America Always funny what idea users have about charging a phone battery. All charging happens through some type of AC/DC adapter. The 110 V (US) or 220 V (Thailand) AC is converted to some low voltage DC (like 5V at a USB port). The required power is less than what you need for a neon tube. From the previous post: Lightning port may or may not have collected dust. That is one of the hints that you find when you do the obvious "google research" for "iphone charge slow". Others are about a SW update, failing "lightning" cables etc. As I don't have and will never have an Apple product I am dependent on Google in this case. After reading through a stack of those iPhone charging troubleshooters I happily returned to my cheapo Samsung Link to comment Share on other sites More sharing options...
mtls2005 Posted June 11, 2016 Share Posted June 11, 2016 It charged faster in the U.S. than here, using the exact same charger? Not sure that makes any sense. Upon reflection, increased ambient temperatures might increase charging time, perhaps even approaching 2X (at either/both extreme)? Link to comment Share on other sites More sharing options...
KhunBENQ Posted June 11, 2016 Share Posted June 11, 2016 High temperature/overheating of the charger might be a factor. Could also kill the battery quicker than in low temperatures. But that's all speculation without measuring/testing. Link to comment Share on other sites More sharing options...
George2 Posted June 14, 2016 Share Posted June 14, 2016 Hm, looks like the problem is that it's an iPhone. Link to comment Share on other sites More sharing options...
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