Geekzone: technology news, blogs, forums
Guest
Welcome Guest.
You haven't logged in yet. If you don't have an account you can register now.




567 posts

Ultimate Geek
+1 received by user: 34


Topic # 179250 1-Sep-2015 22:28
Send private message

Hope this is the right place.

After getting slightly concerned that the charger that came with my phone sparked a couple of times (due to being an import and coming with an generic adapter), I bought the below product.

http://m.belkin.com/au/F8J003/p/P-F8J003/

5v/2.1a per port.

The charger that came with my phone:
5v/1.8a

Can someone please explain to me why the belkin is a lot slower at charging my phone than the one that came with my phone?

Feel like I've just wasted $40.

View this topic in a long page with up to 500 replies per page Create new topic
 1 | 2

gzt

9150 posts

Uber Geek
+1 received by user: 1290


  Reply # 1377957 1-Sep-2015 22:33
Send private message

Using the same charge cable as before?

Edit: that's a question not an answer.



567 posts

Ultimate Geek
+1 received by user: 34


  Reply # 1377958 1-Sep-2015 22:34
Send private message

Yep. Is that the problem?

 
 
 
 


gzt

9150 posts

Uber Geek
+1 received by user: 1290


  Reply # 1377961 1-Sep-2015 22:37
Send private message

I don't know, but it eliminates a change in cable as a source of the problem. Timmmay has a good post up on geekzone about how charging cable affects charge rate.

But there is also some kind of rate selection algorithm in the phone, and potentially the charger iirc.

gzt

9150 posts

Uber Geek
+1 received by user: 1290


  Reply # 1377963 1-Sep-2015 22:38
Send private message


567 posts

Ultimate Geek
+1 received by user: 34


  Reply # 1377973 1-Sep-2015 23:26
Send private message

Thanks for that. Just had as quick read, didn't seem to help me tho.

I know these apps aren't accurate, but it still shows a difference.

Belkin:

Click to see full size

Click to see full size

My phone charger:


Click to see full size

Click to see full size





25580 posts

Uber Geek
+1 received by user: 5358

Moderator
Trusted
Biddle Corp
Subscriber

  Reply # 1378010 2-Sep-2015 07:27
Send private message

I'll answer this as briefly as I can.. You just have wasted $40. Those Belkin chargers are total rubbish. Take it back to the retailer you got it from and tell them it's not fit for purpose and ask for a refund. I would never ever contemplate buying a USB battery pack or charger from a bricks and mortar retailer in NZ, browsing the selection the other day at one they wanted insanely inflated prices for rubbish.

In the old days the type of charger you had didn't matter. USB devices all only accepted 500mA from chargers which was the standard rate. Along came newer high capacity batteries and fast charging which saw newer devices that require an appropriate charger to charge at full speed which is between 1A - 2A depending on the device.

To charge at full speed you either need to have a "smart" charger to fast charge a device. A basic charger that isn't aware of fast charge devices will only charge at a maximum 500mA, and often less. For this very reason I still don't understand why people get excited about USB ports on planes and airport lounges, because these are all dumb devices that will also only charge at 500mA

You need a smart charger of some sort, and there are plenty of brands out there that are great. You can buy an Anker (there is a big thread on here discussing Anker products and I'm a big fan of them) for around the same price paid for your Belkin. You can also buy adapters for a few $ off the usual cheap Chinese shopping sites that short the data pins on a USB cable to trick a charger (that has no smarts) but is capable of outputting 2.1A to fast charge a device. This will work with many, but not all, newer devices.


25580 posts

Uber Geek
+1 received by user: 5358

Moderator
Trusted
Biddle Corp
Subscriber

  Reply # 1378011 2-Sep-2015 07:33
Send private message

Just as an addon to that cables can also affect charging performance if they are cheap and nasty low AWG 3rd party cables.

3276 posts

Uber Geek
+1 received by user: 949


  Reply # 1378017 2-Sep-2015 08:02
Send private message

sbiddle is spot on -- I don't know why NZ is so badly served when it comes to finding USB chargers. I shudder when I look at the chargers in places like DSE/HN/NL etc.

Anyway, this is what you could look at...

For the car....

http://www.amazon.com/Scosche-USBC242M-Charger-Android-Devices/dp/B00E1UWA4O/ref=sr_1_1?s=wireless&ie=UTF8&qid=1441137124&sr=1-1&keywords=Scosche+revolt+dual&pebp=1441137129906&perid=0NZMJV8PQ6YGT8H8C2YA

For the house ....

http://www.amazon.com/Desktop-Charger-Adapter-Samsung-Tablets/dp/B00V33RCTU/ref=sr_1_44?s=wireless&ie=UTF8&qid=1441137501&sr=1-44&keywords=usb+charger





25580 posts

Uber Geek
+1 received by user: 5358

Moderator
Trusted
Biddle Corp
Subscriber

  Reply # 1378021 2-Sep-2015 08:08
Send private message

I actually started writing a blog post a few months ago about why many chargers are crap, and with my Anker fanboi t-shirt on wrote about how good their products were.

Looking around on Amazon now there are certainly plenty of companies who have coped Anker and have some great products which I've read reviews of lately. It'll be interesting to see how they can innovate and what they can come out with to stay ahead.

With QC2.0 devices now out the charging performance of some devices will be even more noticeable if you're not using a QC2.0 compatible charger.




567 posts

Ultimate Geek
+1 received by user: 34


  Reply # 1378549 2-Sep-2015 21:10
Send private message

Thanks for the replies, really appreciated.

It turns out that it is only compatible with Apple devices, not that this was ever mentioned on the website.

I took it to a store for a refund, which took 30 mins due to shop clerk having to go through the process with head office (as I bought online). Was refunded later that afternoon.

Now time to find the correct one!

I only heart amazing things about anker. The only issue is none are for sale over here. Id rather not buy something that needs a travel adapter.

gzt

9150 posts

Uber Geek
+1 received by user: 1290


  Reply # 1378581 2-Sep-2015 21:38
Send private message

I have a couple of these because I like the form factor for travel when i need fast charge and they are light for carry and good fit for storage. They have worked with everything so far. 2A.

Edit: Not tried Apple.

13243 posts

Uber Geek
+1 received by user: 2216

Trusted
Subscriber

  Reply # 1378585 2-Sep-2015 21:43
Send private message

I wrote that charging thread that was linked to. I use a Belkin Dual charger I got from DSE, with a good charge cable it supplies 1800mah to my S4.

It could be yours is a rubbish charger, a rubbish cable, some kind of incompatibility between charger and phone (I guess it's possible), or just plain bad luck. Get one of the cables I suggested - Amazon have them, shipping from the manufacturer is really expensive. But if you're doing a cable order might as well get the charger SB recommends.




AWS Certified Solution Architect Professional, Sysop Administrator Associate, and Developer Associate
TOGAF certified enterprise architect
Professional photographer


25580 posts

Uber Geek
+1 received by user: 5358

Moderator
Trusted
Biddle Corp
Subscriber

  Reply # 1378588 2-Sep-2015 21:48
Send private message

33coupe: Thanks for the replies, really appreciated.

It turns out that it is only compatible with Apple devices, not that this was ever mentioned on the website.

I took it to a store for a refund, which took 30 mins due to shop clerk having to go through the process with head office (as I bought online). Was refunded later that afternoon.

Now time to find the correct one!

I only heart amazing things about anker. The only issue is none are for sale over here. Id rather not buy something that needs a travel adapter.


Anker chargers don't need travel adapters. They're a figure of 8 connector so you just need a $3 cable



567 posts

Ultimate Geek
+1 received by user: 34


  Reply # 1378623 2-Sep-2015 22:37
Send private message



Yeah you could be right. Ive read other reviews (different product) that worked for Samsung owners, I also read a couple of times that these wont work on android due to the tech inside them designed for apple only. Ive got a refund now so will look at those ankers. 




Re: Figure 8 connector


Well I didnt know that! Thanks very much, I'll start looking at them. Cheers

3267 posts

Uber Geek
+1 received by user: 77

Trusted

  Reply # 1380766 6-Sep-2015 20:49
Send private message

Samsung (and virtually all other) phones use the USB charging standard.  Apple uses their own standard.  It comes down to a resistor divider on the data lines, but Apple in their wisdom decided not to follow the standard that is now required for phones in Europe.  Somehow, Apple got an exemption from that one.

Don't ever use generic chargers that come with imported (or refurbished) phones.  Unless you know what to look for.  The number 1 give away of a lethal power adapter is when the mains pins do not have insulation on them (hope someone post a picture, I'm too tired now).  Just a couple of weeks ago I've opened one of them (I'm an electronic engineer) and found there were not a single one of the safety requirement implemented.  The things that were not done:
* creepage clearance between low voltage and mains (actually the 5V wire was pressing against the mains terminal solder joint)
* Y-capacitor across the creepage clearance (well, there was no clearance to begin with)
* mains wires retained in 2 ways (e.g. solder and glue or cable tie)
* transformer with sufficient insulation to withstand 1500V for 1 minute (or something like that, can't remember exactly now)
And that is where I stopped looking.  It was the worst I've ever seen.  The outside looked like a proper Apple charger, except that it is apparently made by "Abble".




You can never have enough Volvos!


 1 | 2
View this topic in a long page with up to 500 replies per page Create new topic



Twitter »

Follow us to receive Twitter updates when new discussions are posted in our forums:



Follow us to receive Twitter updates when news items and blogs are posted in our frontpage:



Follow us to receive Twitter updates when tech item prices are listed in our price comparison site:





News »

Propel launch Disney Star Wars Laser Battle Drones
Posted 19-Nov-2017 21:26


UFB killer app: Speed
Posted 17-Nov-2017 17:01


The case for RSS — MacSparky
Posted 13-Nov-2017 14:35


WordPress and Indieweb: Take control of your online presence — 6:30 GridAKL Nov 30
Posted 11-Nov-2017 13:43


Chorus reveals technology upgrade for schools, students
Posted 10-Nov-2017 10:28


Vodafone says Internet of Things (IoT) crucial for digital transformation
Posted 10-Nov-2017 10:06


Police and Facebook launch AMBER Alerts system in NZ
Posted 9-Nov-2017 10:49


Amazon debuts Fire TV Stick Basic Edition in over 100 new countries
Posted 8-Nov-2017 05:34


Vodafone VoIP transition to start this month
Posted 7-Nov-2017 12:33


Spark enhances IoT network capability
Posted 7-Nov-2017 11:33


Vocus NZ sale and broadband competition
Posted 6-Nov-2017 14:36


Hawaiki reaches key milestone in landmark deep-sea fibre project
Posted 4-Nov-2017 13:53


Countdown launches new proximity online shopping app
Posted 4-Nov-2017 13:50


Nokia 3310 to be available through Spark New Zealand
Posted 4-Nov-2017 13:31


Nest launches in New Zealand
Posted 4-Nov-2017 12:31



Geekzone Live »

Try automatic live updates from Geekzone directly in your browser, without refreshing the page, with Geekzone Live now.



Are you subscribed to our RSS feed? You can download the latest headlines and summaries from our stories directly to your computer or smartphone by using a feed reader.

Alternatively, you can receive a daily email with Geekzone updates.