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Grupos de noticias: sci.electronics.design, sci.electronics.repair, sci.electronics.equipment
De: John Fields <jfie...@austininstruments.com>
Fecha: Wed, 04 Nov 2009 16:44:19 -0600
Local: Mié 4 nov 2009 19:44
Asunto: Re: Adding a 6v boost to a 12v battery charger
On Wed, 4 Nov 2009 11:51:47 -0800 (PST), Too_Many_Tools
<too_many_to...@yahoo.com> wrote: --- >On Nov 2, 2:25 pm, Too_Many_Tools <too_many_to...@yahoo.com> wrote: >> I have access to a Schumacher wheeled battery charger that is 12 v >> only. >> I want to use its boost feature (200amp) on 6 volt systems. >> Any suggestions as to how to make a mod where the charger will do both >> I have looked and have not found any schematics. >> I am assuming that any mods will be downstream of the transformer. >> Thanks for any suggestions. >> TMT >Let's try casting the net a bit further...anyone else have a Since the boost function is only used to try to start an engine, then figure if you want to cut the 12V down to 6 and you want to be drawing 200 amps at that time, then you might be able to just insert a 30 milliohm 1200 watt resistor between the battery and the charger. There are power resistors available from various vendors which you could http://www.ohmite.com/cgi-bin/showpage.cgi?product=powrrib_series#parts or you could make your own out of nichrome wire. JF Debes registrarte antes de enviar mensajes.
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