The nice folks at BZ Products have made me small custom voltage controllers before, for just that application. Prices, as I recall were less than a C40, and much smaller footprint/ weight, which is an issue on a mobile application.
R. Walters r...@solarray.com Solar Engineer On Sep 10, 2010, at 3:40 AM, solardude97 wrote: > Jay, > Another option on the controller is made by Stealth charging systems. It is > made for bass boats and allows them to use the 12 volt alternator to charge > the 24, 36, or 48 volt trolling motor batteries when the big motor is > running. It will likely want to see 12 volt nominal input which limits your > module choice somewhat. It is a sealed unit and has a 40 amp max rating. Not > sure if they have a website but I have a phone number for them. Contact me > off list if you need it. > Nathan Jones > Power Source Solar > Springfield, MO > 417-827-0738 > > On Thu Sep 9th, 2010 10:25 PM CDT Brian Teitelbaum wrote: > >> Hi Jay, >> >> The C-40 is probably your cheapest bet, although not sealed. >> >> Or...maybe use three Evergreen ES-A 215W modules in series without a >> controller? Vmp would be 55.2V at STC, but maybe still too risky as the Voc >> would be over 68V at STC. Depends on how much the cart gets used, and the >> number of hours needed each day to get to full charge. >> >> Brian Teitelbaum >> AEE Solar >> >> -----Original Message----- >> From: re-wrenches-boun...@lists.re-wrenches.org >> [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of j...@asis.com >> Sent: Thursday, September 09, 2010 5:23 PM >> To: RE-wrenches >> Subject: [RE-wrenches] 48v small controllers >> >> HI All, >> >> Any recommendations on a small 7-10 amp 48v controller, preferably sealed. >> its for a 48v golf cart. >> >> Thanks, >> >> jay >> >> peltz power >> >> ---------------------------------------------------------------- >> This message was sent using IMP, the Internet Messaging Program. >> >> >> _______________________________________________ >> List sponsored by Home Power magazine >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Options & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out participant bios: >> www.members.re-wrenches.org >> >> _______________________________________________ >> List sponsored by Home Power magazine >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Options & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out participant bios: >> www.members.re-wrenches.org >> > > > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > _______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org