moped battery

Brad c cool /

ok, I am juz curios about this. I have been hearing lots of talk able gel cell batterys and stuff, and I was wondering if there is anyway to put a 12volt gel cell battery on my moped for extra lights or maybe even a 12volt outlet (cigarette lighter) I posted earlier that I have a put an extra light and hooked it to the magneto. its inside a toolbox I have mounted on the rack of my tomos targa (www.geocities.com/bradccool/light) for pics of it I would like to figure out a way to get the magneto hooked to a gelcel battery (to charge it) much like a cars alternator charges the car battery, well is this possible to do? if so HOW!?

Re: moped battery

Matt Wilson /

Yeah you could use a gel cell and hook up whatever you wanted to it. If you want it to recharge you will have some problems

"I would like to figure out a way to get the magneto hooked to a gelcel battery (to charge it) much like a cars alternator charges the car battery, well is this possible to do? if so HOW!?"

I am unsure if gel cells are rechargable. If the are you could do it, but I don't think that it would be capable of charging the battery.

A mageto is only capable of putting out a given amount of watts. The bosch magneto on my sachs is a 15 watt magneto. With the headlamp and the tail lamp I combined, I'm easily over driving the magneto, and at idle all my lights dim. So my magneto barely has enough power to supply the necessities let alone have extra juice for charging a battery.

Your targa may have a more powerful magneto, but I doubt that it is powerful enough to charge a battery while you lights are running.

If you rewired the lights so you could shut them off while the magneto is charging than it might work, but that would defeat the purpose of having battery in the first place.

Matt

Re: moped battery

check out the miniengine guys guide to install a battery on a batavus. he usis the brake lighting coil to charge it, and the battery stops charging when he hits the brake. very good idea.

Re: moped battery

Matt-- Gel-cells are rechargable--- most people use an automatic 1.5v trickle charger that cuts of power and doesn't cook your battery like the cheapies will.

trust me, i've cooked gel cells overcharging.

I think solar would be be an effective way... it would be DC already.... maybe a small 12v cell.

Without a battery already.... I wonder--- could be tough... But hey-- Brad's running a light right from the magneeto.

Brad-- I would test the current on a 1 or 2 volt charger and see how it compares to the output of the magneeto.

-wayne

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