Good charger is not just putting out certain voltage. Ihas some smarts and as charging progresses it tapers back the current. Regulating output current. El Cheapo charger may charge a device but it can shorten the lie of battery or damage the device. Spend some money and buy some decent product.
:)
And the difference between 35 and 40 W is so small as to be irrelevant too I suggest. :)
I dont know why your cable melted, but a neighbor bought one of those car cigarette lighter adaptors for his hunting cabin, which has no electricity. He rigged up a cig lighter socket with clips on it, and brings a charged battery to the cabin, and clips this thing on to it to charge his cellphone.
One day he connected the clips backwards on the battery and that adaptor went up in smoke.
I guess I never thought about that, so if someone has a vehicle with POSITIVE ground, those adaptors would not work!
Tony Hwang wrote, on Mon, 30 Nov 2015 19:41:41 -0700:
When the price of a product fluctuates 300%, how do you know a decent product from a not-decent product if not from the spec printed on the package?
Bruce Sinclair wrote, on Tue, 01 Dec 2015 03:38:14 +0000:
You've got to be kidding. It's huge the difference.
15% is a huge lie on something so simple to calculate.
In electronics, +/-15% isn't too far off :-) . Cheers, -- tlvp
There is no such thing as an iPAD; the word is iPad.
ipads are comparable in price and features to similar android tablets but why let facts get in the way of mindless bashing.
That is not correct. Volt x amps are equal to watts only if the power factor is one. That's true for a resistive load. But for a load with inductance or capacitance, like your charger, VA watts and the actual power in watts will be less than the VA rating.
Danny D:
You don't need to be an engineer, don't need all the technical details and power formulae. You just need to know that you bought a cheap, off-brand charger that was made in a country that is infamous for producing shoddy and dangerous electrical devices--like the surge protector that I bought that had the hot and ground wires soldered to the same terminal. Be glad that it melted the the USB connector and didn't set your house afire and kill your family. And next time, don't be penny wise and pound foolish; buy the manufacturer's original charger for each device.
based on what he's posted, it's more likely to be a shitty cable than a shitty charger.
either way, he did cheap out.
I do not see that this op did any thing other than what every one does which is they buy at a well good name brand reliable electronics store a common part that has a stated specification printedd on the pakcage.
He trusted the name brand well known store and he trusted the pakcage and he paid a fair price.
The issue seems to be that the pakcage is wrong. But you can not blame the op for finding out that the pakcage is wrong.
How many people bought the same part thinking it outputs more power than it really does?
The cable was also bought at a name brand well known reliable store and a fair price was paid for that cable. You can not blame the op for buying a common part at a good brand store and paying a fair price for that cable either.
I wish more poeple were like the op.
he did not buy a good name brand of anything.
nope.
whether it puts out 35 or 40 watts makes absolutely no difference whatsoever.
it doesn't matter.
what matters is how much each port can source.
the total maximum only comes into play when all ports are in use, as it's an aggregate total.
the cable was not mfi certified and based on the photos, it was the likely cause of the problem. it internally shorted out, got hot and melted.
of course you do, because you're a sock puppet.
+1
He's down in the weeds. Whatever melted the cable, it wasn't because of the product being spec'd at 40 vs 35, etc. I didn't look at this in a lot of detail, but it looks like that charger is intended to charge 5 things at once. IDK what the max charge current is for USB, but with just one device on it, I'd bet it's impossible to pull anywhere the rated *total* capacity, whether it's 35 or 40. Something was wrong, but it's not the spec rating.
+1
He will, in time...
I think you're crazy. Of course I know you will agree. :)
Uncle Monster posted for all of us...
Another one off the rails into the ravine and this one is burning...
tlvp wrote, on Tue, 01 Dec 2015 05:32:44 -0500:
It depends. In this case, you compare the exact same model number to a part that says it's 35 watts and another that says it's
40 watts.Given they sell for about the same price, which would you choose if you did not know that the 40Watts was a lie?
Davoud wrote, on Tue, 01 Dec 2015 10:04:31 -0500:
Try to find almost any USB charger that isn't made in China. Even Apple chargers are, I think, made in China. And that's as name brand as you get.
the issue not where it's made, but that it was an *off-brand* charger.
name brand chargers, and not just apple, are made to certain quality standards.
noname chargers don't care about quality. they care about how cheap they can make it, so they end up cutting corners, which means they're generally crap.
plus, the likely cause was the cable, not the charger.
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