From the site: About RV'ing: - Lithium Ion Batteries for RVs
My RV—a 2007 Monaco Dynasty 42’ motorhome—is now powered by Lithium Ion batteries. We are doing this as a field test for Lithionics Battery, Clearwater, Florida. They make lithium ion batteries.
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ReplyDeleteWe got interested in lithium iron phosphate (LFP) a year ago reading the blog of the guy with the 2007 Monaco noted above
ReplyDeleteWe were planning to go lithium iron phosphate batteries a year ago but were pretty much forced into it when we were in a 70 car pileup between Vera Cruz and Puebla, Mexico coming back from Yucatan. This totaled pickup and 5th wheel. We got the same Open Range Roamer 337RLS as was destroyed and our son (who just got a subcontract for a 1.5 megawatt solar instillation) was excited about setting up a new system with LFP for us. The system now consists of 1.42 kW of solar panels, 9.7 kW-hours of LFP (760 amp-hours at 12 V), 4.0 kW pure sine-wave inverter, plus assorted converters, battery chargers etc. The power comes off the roof at 54 V as is the LFP battery pack (4 sub-packs of 4 x 3.4 V LFP batteries or 54 nominal volts). The batteries then go through the inverter and through converter to 12 V. We dumped the 50 amp cable and now charge the battery pack with a 15 amp cord. We did this originally since the power in Mexico (Belize power was excellent) would cause our surge protector to be off more than it was on. The battery pack weighs 160#. We have run the air condition (1.5 kW) for over 3 hours as combination of solar and battery with no problems. We have not hooked into shore power except to check out the battery chargers. Large motor homes probably do not have to worry about weight but pin weight and rear axle loading on pickup is critical with a 5th wheel (a dualie with rating of 8300# but as weight police, we check periodically and full weight is under 7200#). We now only carry a Honda gas 1.0 kW generator in case we wind up with excessively rainy days or camp under trees. We can charge at 400 W on very overcast days if we turn off inverter (100 W wastage there). Our lovely 2.5 kW Onan propane was crushed in wreck.
Reed Cundiff
reed.cundiff@gmail.com
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