What does the input & output means on wall chargers?Scenario:
I have an HTC Evo phone. (Sprint)
The HTC OEM charger has the following specs:
Model# TC U250
HTC P/N: 79H00095-01M
INPUT: 100-240V 200mA 50-60Hz
OUTPUT: 5V=1,0A LPS
I also have a Motorola charger (also from sprint phone)with the following specs:
INPUT: 100-240V ~ 50/60HZ 0.2A
OUTPUT: 5V= 550mA
To me, the only difference I see is the output amperage on the Motorola charger which is almost half of what the HTC OEM has.I need to mention that both adapters have the same connectors
Can I use the Motorola charger to charge my HTC Evo phone. is it safe?
billrussell42
You PROBABLY can use the motorola charger to charge the phone, but can't say for sure. The phone probably has the charge control circuitry inside the phone, not in the charger, so the circuitry should be able to work with the lower current capability.
But there are a lot of "probably" words in that statement.
It's possible that the motorola charger will get overloaded and over heat. It's possible that the battery in the phone may get damaged (although I doubt that).
Bottom line, no one can say for sure, except someone very familiar with the internals of all the units. You have to take a chance and try it.
.
texasmaverick
I'm not sure it will work, based on my experience last week with my Belkin N1 router.
It started occasionally going blank (the led screen) and dropping my systems off line. I would unplug it and then replug it after a few minutes. Sometimes it would operate for hours and, at other times, it wouldn't come back ap at all.
The input was 120 vac with a 12vdc output at 1.25 amperes. Like most people today, I have an assortment of power supplies from past equipment. I had two with a 12 vdc output, one rates at 500 ma and the other 750 ma. I tried both as a temporary replacement. Both would bring the router and systems up, but after a short period, the router and systems would drop off line.
I went to FRY's electronics and purchased a multivoltage power supply (from 3 to 12 volts) with several different end-plugs which are convertible as related to the polarity of the plug. When I got home, I plugged it in and it works wonderfully again.
The power supply cost $ 15 (could have got one on ebay for $ 10) but it can be used with about any electronic device with the assorted end-plugs. It has an 1800 ma output rating.
If you have problems with using your 'spare', you might find a cheap replacement on ebay, or if you are lucky enough to have a Fry's electronic store in your city/town, you can find a replacement there.
TexMav
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