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Open Roads Forum  >  Tech Issues  > just bought a 75 watt solar panel used.. is it too old? Reply to Topic  |  Subscribe  |  Print Topic  |  Post New Topic  |  Oldest first Newest first  Page of 2   Prev djevans • View posts Tennessee Senior Member Joined: 03/24/2002 View Profile Posted: 09/18/09 04:06pm Link  |  Quote  |  Print  |  Notify Moderator Sounds like you have a good panel. Someone mentioned a diode, I would put a diode in series to prevent any type of reverse current flow. Also, the panel, at 4 amps, is potentially capable of eventually overcharging the batteries if left on continuously. As mentioned, you now want to consider a "decent" charge controller to limit current once the batteries are charged. I too am beginning to think you might want to pick up that other panel. Don . . . near 36.171N 086.784W, TN near here WA4ZFN 2003 Fleetwood Revolution 40C - Saturn VUE 350hp Cummins ISC - - - P i c t u r e s - - - I'm confused, WAIT! Maybe I'm not! MrWizard • View posts Van Nuys, Ca Moderator Joined: 06/27/2004 View Profile Offline Posted: 09/18/09 05:16pm Link  |  Quote  |  Print  |  Notify Moderator over charging ? not if he has more than ONE battery, 4-5 amps on (2) or more batteries 225 amprs or more of system, still a controller is a good idea use large wire for the whole system, and put the controller as close to the batteries as possible. 6ft or less, NOT 20 ft away and NOT over the fridge heat kills electronics, long wires cause voltage drop.. same problems as installing a converter/charger, bigger wire is better, higher voltage at the batteries is better Options, always have options, and the journey goes much smoother .... Connected via Verizon Via Motorola Droid with Android2 OS Member of the Verizon Wireless Customer Council djevans • View posts Tennessee Senior Member Joined: 03/24/2002 View Profile Posted: 09/18/09 08:05pm Link  |  Quote  |  Print  |  Notify Moderator Well, just a note...I keep 2 diesel starting batteries charged at 400 ma - still, I do agree that 4 or 5 amps might not damage 2 paralleled large batteres - I guess I was considering that second panel, and even that might not damage them, but I still recommend the regulator... John & Angela • View posts Full Timers in Canada, USA and Mexico Senior Member Joined: 02/18/2003 View Profile Online Posted: 09/19/09 07:50am Link  |  Quote  |  Print  |  Notify Moderator I would be willing to bet that in about thirty years your 75 watt panel will still be putting out about 60 watts. We'll check back with you then. Don't sweat the age thing too much. Come visit us at our website and share in our great fulltime RV Adventure. 2003 Fleetwood Revolution 40C Retired Canadian Air Force Technicians Vernon,B.C,Canada. lotust • View posts Long Island NY Senior Member Joined: 03/02/2008 View Profile Offline Posted: 09/20/09 01:02pm Link  |  Quote  |  Print  |  Notify Moderator Thanks for all the replys guys. I have not used the panel all that much yet. I think we got the most shady site in the campground:-0. Haha 2006 Jayco Jay Flight 27 BH.(paid cash :-) 2008 toyota tundra 5.7L w/tow Off road Pkg 4:30 gears (not paid off:-( Yamaha Ef2400is The wife and our boxer(RIP Buster), Loving Camping! Reply to Topic  |  Subscribe  |  Print Topic  |  Post New Topic  |  Oldest first Newest first  Page of 2   Prev Open Roads Forum  >  Tech Issues  > just bought a 75 watt solar panel used.. is it too old?

Search:   Advanced Search Search only in Tech Issues

Jump to Forum Recreational Vehicles  - Class A Motorhomes  - Class B - Camping Van Conversi...  - Class C Motorhomes  - Fifth-Wheels  - Folding Trailers  - Hybrid Travel Trailers  - Travel Trailers  - Truck Campers  - Toy Haulers Camping  - Tent Camping  - Family Camping  - Workamping Forum General Forums  - Beginning RVing  - Rallies, Shows and Gatherings  - General RVing Issues  - RV Lifestyle  - Full-time RVing  - Camp Cooks and Connoisseurs  - RVing with Disabilities and Ge...  - RV Pet Stop Technical Resources  - Towing  - Tow Vehicles  - Dinghy Towing  - Technology Corner  - Forum Technical Support  - Tech Issues Locations  - RV Parks, National Parks, Stat...  - Roads and Routes  - Public Lands, Boondocking and ...  - RVing in Canada and Alaska  - RVing in Mexico and South Amer...  - Snowbirds Other Discussions  - Around the Campfire

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