Re: DC power supply

Most newer PC power supplies should be capable of 10A or more on the 12v
lines. When looking for a PC power supply, look at the 12 ratings as they
vary GREATLY even within the same wattage ratings.

--
Paul McIntosh
RC-Bearings.com
"when steel just isn't enough"
"Red Scholefield" <redscho@xxxxxxxxxxxxx> wrote in message
news:oB19f.26540$x6.2860@xxxxxxxxxxxxxxxxxxxxxxxxx
> In sizing power supplies to use with our chargers its the watts what
> count.
> :-)
>
> If you are charging a 4.8 volt receiver pack at 2 amps, you will need a
> power supply that can handle at least 12 watts, allow some for
> inefficiency
> in the system - take it to 15 watts. This would be a 12 volt (actually
> 13.6
> volts in most cases) supply capable of delivering 1.25 Amps, and that
> would
> be tight. A converted PC supply capable of 5 Amps will cover any charging
> chore up to 50 watts or a bit more.
> --
> Red S.
> Red's R/C Battery Clinic
> http://www.rcbatteryclinic.com
> Check us out for "revolting" information.
>
> "Robert Scott" <desmobob@xxxxxxxxxxxxx> wrote in message
> news:ElW8f.1915$2y.489@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>>
>> "Bill D" <nomadsthree@xxxxxxxxxxxx> wrote in message
>> news:1130637177.531276.29430@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>> > Hi Robert
>> >
>> > I looked at the one you bought and it's less than 70 watts continuous,
>> > (5 amp x 13.8V = 69 watts) so, IMHO, it wouldn't have enough juice to
>> > run, say, a Triton charger at more than about half rate.
>> >
>> > Of course you didn't say what kind of charger you were using, so maybe
>> > the 5 Amp Pyramid you've ordered will be OK.
>>
>>
>>
>> Oh(m) my goodness! There's my lack of basic electrical knowledge rearing
>> its ugly head.... I was thinking I never charged at more than a couple
>> of
>> amps so 5 would be plenty! :-(
>>
>> I use an FMA DigiPulse and a SimProp Intelli-control. I rarely use them
> for
>> anything other than flight pack and on-board glow battery charging at
> home.
>> Flight packs I usually charge at the field.
>>
>> What (watt?!) rating would be appropriate for all my charging needs (even
> my
>> flight packs). Maybe I can change the order before it goes through
>> tomorrow.
>>
>> Thanks for any help,
>> desmbob
>>
>>
>
>
>


.

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