Caravaners Forum is Australia's internet forum where members discuss & seek information from other members in relation to all RV's & like topics in a friendly environment. The fridge consumes 9 watts per hour and it will run for 24 hours each day. As you said the Waeco will live in the back of the Paj, when full not something you can lug around easily.So, secondly, get a space blanket from a camping store and a few spring loaded clamps from the likes of Bunnings. Be aware that the Waeco has a setting that allows it to take the battery down to either 10.1, 11.4 or 11.8v. If your fridge uses 4 amps an hour of power and the starter pack is only 30ah (effectively 15ah as you should only run these batteries down to 50%) you will get around 4 hours of run time on your battery. by T1 Terry » Mon Jan 31, 2011 7:10 pm, Post Large (>500Ah): large off grid systems As a basic rule of thumb, you can remember that a 100Ah AGM deep cycle battery can provide 1 amp for 100 hours, 2 amps for 50 hours, 3 amps for 33 hours,... Keep in mind this is a rough estimate, as the battery capacity will change a little depending on how fast your battery is being drained. some where near that.. how long it will run depends on the battery size, and charge state when you start out.and the temp its set at. So next question - What size solar charger would I need? Hi, I'm going to buy a Waeco 80 litre (Caravaners Forum-80AC VERB) portable fridge and plan to run it off battery when we are places with no power. Gone are the days of the traditional eskies full of ice, and parents yelling at their kids to “Hurry up and shut the esky lid!”. This is with minimal other battery use and a little fridge use. If you unlatch your fridge and yank the lid up, the rapid movement draws a huge … If your fridge uses 4 amps an hour of power and the starter pack is only 30ah (effectively 15ah as you should only run these batteries down to 50%) you will get around 4 hours of run time on your battery. That’s all on battery power. Do it too long and pretty quickly your cranking battery runs out. A very small user of power is a 1.2 watt LED light running on a 12 volt power source will use 1.2W / 12V = 0.1 amps. by chrisandliso » Mon Jan 31, 2011 6:29 pm, Post when fully charged it will run the fridge continuously for 3-4 days till the low voltage cut out cuts in 10.5volt. Okay so the setup is- Paj 2005 3.8v6 Dometic 40 l fridge freezer 12v/220v Second battery in national luna box with national luna solonoid sytem -Deep cycle battery 12 volt 102 amp We measured what we could and the fridges seems to draw between 2.5 amp and 3 amps per hour. So you can choose to protect the battery or get more cold beer. Do it too long and pretty quickly your cranking battery runs out. And your battery’s capacity is measured in AMP HOURS(AH). This built in alarm is designed to prevent you from drawing current from the battery once the voltage drops below the ideal minimum level. When going on a camping trip, people often wonder how much power their portable fridge will be using. It has superior discharge … It has superior discharge … by ozwapet » Tue Feb 01, 2011 12:08 pm, Post I expected a lot more, maybe at least 3 days seeing that the fridge was never opened. So in theory the battery when full should sustain the fridge 102/2=51 then 50/2.5=20 hours ? So 105 divided by 7.5 = 14 hrs. by Peter_n_Margaret » Wed Feb 02, 2011 9:02 pm, Return to “TECHNICAL Forum - Caravans, Motorhomes, Vehicles and Towing.”, Powered by phpBB® Forum Software © phpBB Limited. With more 4wders and campers opting for 12v fridges, we’ve got the solutions to common problems 4wders face when it comes to your fridge set up. by Wayno » Tue Feb 01, 2011 8:31 pm, Post Meaning when calculating your PowerTop’s useable power, you should base your calculations off half the batteries amp hours. The advantage of using a good quality deep cycle Lithium Battery is your depth of discharge can go down to 75%. Waeco fridge running on main battery Hey guys I know this is not ideal but as a very temporary measure I'm trying to find out how long I can run the Waeco CF50 on my cars main battery via the car cigarette lighter in the boot. That 12 volt port must be able to supply around 20 amps or more. https://www.oka4wd.com/forum/members-ve ... -motorhome, http://cgi.ebay.com.au/120w-Solar-Panel ... 19c2d007b9. The juice or power usage is measured in AMPS (A). With it set to low my fridge is working fine and the battery is still sat at 12.4v, 12.3 when the compressor is running. If the generator has a 12 volt charging socket, then it will work through a Dc-Dc charger into the Grey anderson socket. January 20, 2015 | Comments The Problem May Lie in the Batteries. if it was left in freeze mode and drew the 3.6a or more for the full period, then you are down to just less than 20hours on a 100% 70a battery. . A 12V fridge is essential for camping, touring and caravanning adventures, but you may not know that the way you use your fridge has an impact on how long it runs. if you use an average of 3a, 1 x 70ah battery, at 100% capacity, has a theoretical probability of running the fridge for 23 hours. Similarly, how long will a waeco fridge run on a battery? It is essential that the correct size cable is used minimum of 6mm or 10mm if the cable run from battery to fridge is 6mtrs or more, to reduce voltage drop to a minimum. 6.5mtr van.Tinnie on roof. Also ran and used regularly for 3 - 4 days on a single 110ah battery with a 3 to 6 mile trip either end of the day and an 80 mile trip either end of the week and off at weekends without having to do any other battery charging. Do not use CAPITALS to bring attention to your post. Hi, Would it be possible to send some images/video of the splitter box and set up to sales@baintech.com.au and the team will be able to advise you. http://www.baintech.com.au/leisure-products/solar. if it was left in freeze mode and drew the 3.6a or more for the full period, then you are down to just less than 20hours on a … Of the cuff, untill the battery volts gets to 11.5 volts.. then the auto voltage cut out comes in to play, comes back on near 12.3 ? 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