--- Eric Zeno <vw4x4@FYI.NET> wrote: > I have a fridge that is very small and runs on > 110VAC at 1 amp. Max. This means a very small 12v > DC, power inverter, of 300 watt, would work fine. If the inverter was 100% efficient, it would use 9 amps at 12 VDC in order to supply 1 Amp at 110VAC. That completely drain a 72 Amp/hour battery (like an Optima Yellowtop) in 8 hours. In real world terms, the battery would be 90% discharged after about 5-6 hours. A regular starter battery would handle this type of service for about 8-10 cycles. After that, it would take around an hour to get to the 90% discharge point. The Dometic fridge will use about 8 amps/hour on 12 volts. ===== TJ Hannink Goldibox - 1987 Vanagon Camper, Wolfsburg Edition Winter Park, Florida http://home.earthlink.net/~tjhannink/ http://groups.yahoo.com/group/wolfsburg_campers http://photos.yahoo.com/tjhannink [Vanagon] Album __________________________________ Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! http://sbc.yahoo.com |
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