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Battery Eliminator

Started by Diablo007, August 14, 2020, 02:32:10 AM

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Diablo007

So, a motorcycle charging system puts out, for the sake of argument, between 13.5 and 14.5 volts.  I know this isn't 100% accurate, but it is less than 16 volts.

Can I use a 16V capacitor as a battery eliminator?  The ones that I've seen advertised are usually 35 volt.  The reason that I ask is that I am an IT tech by trade.  I've found 16 volt capacitors in more than 4700uF in working computer power supplies, but the computers are being replaced as they are out of date.

I'd like to use one or more of them as battery eliminators. Will this work?
2 stroke junkie:
Too many motorcycles to list.  The highlights:
1973 Yamaha RD350 Cafe Racer project; 1983 Suzuki RG250 YammaGamma project; 1988 Yamaha YSR50/80 project; 1984 Yamaha RZ350; 1984 Yamaha RZ500

Dvsrd

Quote from: Diablo007 on August 14, 2020, 02:32:10 AM
So, a motorcycle charging system puts out, for the sake of argument, between 13.5 and 14.5 volts.  I know this isn't 100% accurate, but it is less than 16 volts.

Can I use a 16V capacitor as a battery eliminator?  The ones that I've seen advertised are usually 35 volt.  The reason that I ask is that I am an IT tech by trade.  I've found 16 volt capacitors in more than 4700uF in working computer power supplies, but the computers are being replaced as they are out of date.

I'd like to use one or more of them as battery eliminators. Will this work?
Capacitors only work on bikes with permanent magnet alternator. So that rules out all US market aircooled RDs with stock charging setup, and any other bikes with carbon brushes

m in sc

why run it at o that close to the limit? fit a higher voltage and at 35,000 uF is always good for a cdi.  :twocents: they are cheap new.


Czakky

Do they get wired in series or parallel?....

m in sc

wire it like a battery.  terminal near printed side strip is negative.

OR, just get one from John at economy, its packaged well.

quocle603

A lot of people are going to VAPE or HPI ignition to eliminate the battery. I've been stranded too many times because my battery wasn't charged or charging.

:)
Do not underestimate the power of a two-stroke.

1975 Yamaha RD350 (modified), 1973 Yamaha RD350 (stock), 1971 Suzuki T500, 1981 Yamaha XS650 HS2, 1982 Honda MB5, 1980 Puch Maxi, 1979 Puch Magnum, 1993 Tomos Bullet, 2003 Malaguti Firefox F15 LC