That’s all on battery power. 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. Which is why running your car fridge off your cranking battery isn’t the best idea. As long as you have a properly sized inverter (800-1,000 rated running watts / 1500-2,000 peak watts), you should have no problem running your fridge unless your car runs out of gasoline. For information on wiring your PowerTop via DC-DC or Alternator CLICK HERE, Hi, could you please advise if the Powertop can be charged by a generator. 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. There is no freezer compartment though like the 80lt. by GrahamP » Tue Feb 01, 2011 9:48 am, Post http://www.baintech.com.au/leisure-products/solar. And 300 amps isn’t unheard of. (this is an average. Use the blanket to shade your fridge from direct sun. Basic calculation method 135AH battery / 2 = 67.5AH of available capacity (67.5AH / 1amp draw = 67.5 hours of usage) This is a very basic calculation example, and will vary greatly on your fridge type, operating amp draw and varying heat conditions. 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. I once thought that I had made a mistake....But I was wrong, NP Pajero towing 2010 Goldstream Mini Caravan "Liddle Pup", ↳   Announcements & Admin Contact Details, ↳   Old Announcements and User Guide topics. Read on to find out all the trips and tricks we recommend for those who want to lower power consumption of your portable fridge. The Problem May Lie in the Batteries. Required fields are marked *. 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. Therefore a 100ah (amp hour) battery will last for 1000 hours. A refrigerator needs a lot of power, and your RV battery bank is finite; unlike being plugged in, your batteries will be drained in as little as one day running a refrigerator.. Under this circumstance, the RV refrigerator could run for about 4 to 5 hours using a single 12 Volts battery that can supply 100 amp-hours. 160 watts of solar will provide you with approximately 35 amps of power per day back into your system. It is in an insulating protective cover. So you can choose to protect the battery or get more cold beer. 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. Would one of these 120W folding panels off ebay do the trick. January 20, 2015 | Comments eg 500Ah battery will give you (500*.8)/50 hours total run time. As I mentioned above you don’t want to fully drain lead acid batteries so really you can get about 3.5 hours of fridge usage on … And your battery’s capacity is measured in AMP HOURS(AH). This means that it did not even run for 2 full days. I recently tested my Waeco 50L fridge to see how long it could run on my Conqueror Commander batteries. 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. ( using two pins for + and two pins for - ) But the Anderson will give least trouble long term IMO . 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!”. Hi Ross, if you give the team a call on 1300 224 683 they will be able to trouble shoot any issues with you. Looks like a direct battery connection is a must as many have recommended but it does make me wonder if it could be the individual connection itself. i have an 80 litre waeco in my camper trailer and 120amp deep cycle battery & 2.5amp solar panel . The advantage of using a good quality deep cycle Lithium Battery is your depth of discharge can go down to 75%. A well-maintained battery will last you through a greater amount of cycles than a battery that is misused and continuously discharged below 50%. Keep in mind that while you need to leave your car running at all times when powering your fridge, you don’t need to be powering your fridge at all times. The generator has to be able to deliver 150 watts or more to run the Powertop, at 230 volts Ac at 50 hertz. Let’s assume this is tested in a laboratory where the outer temperature is 90°F or 32°C. Our boat residential fridge runs a much lower duty cycle than our RV absorption fridge (on either electric or propane) because the residential fridge has better insulation. This means that the fridge will consume 216-watt hours per day. This is a great way to save power on your dedicated fridge battery when travelling between destinations, without the worry that the power will run … If you unlatch your fridge and yank the lid up, the rapid movement draws a huge … 200w panel and 85w battery. by T1 Terry » Mon Jan 31, 2011 7:10 pm, Post Similarly, how long will a waeco fridge run on a battery? I have 2x 85ah batteries and on test will run for 5 to 6 days but batteries definately need charging afterwards. If your fridge is drawing 1amp then the PowerTop’s 135AH battery will be able to run for 67 hours. The site will be free from advertising & suitable for General Viewing, Post When going on a camping trip, people often wonder how much power their portable fridge will be using. 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. The next step is to divide the amp hours of your battery by the current to find how long the fridge will run on battery, 180Ah/27A= 6.66 hours. I always recommend testing out your gear on a short trip for the most accurate calculations, this will avoid major issues when you’re off grid in a remote location. With both regulated and unregulated solar Anderson plug inputs, it’s as simple as plug and play. 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. 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. by ultraclassic » Mon Jan 31, 2011 6:05 pm, Post if it was left in freeze mode and drew the 3.6a or more for the full period, then you are down to … by chrisandliso » Mon Jan 31, 2011 6:29 pm, Post First, and foremost, the extra layer of insulation as Macka suggested, reduced battery draw on our Waeco considerably. The biggest question I receive about the PowerTop is – how long will it run my fridge for? by 2EZY » Tue Feb 01, 2011 4:23 pm, Post TECHNICAL Forum - Caravans, Motorhomes, Vehicles and Towing. If you "thrash" your battery, a couple of days, or a bit more. That’s alternating current, not air conditioning. Our fridge uses about 5amps per hour. It lasts about 1 ½ days at ambient temp around 25deg and set to 2deg. This built in alarm is designed to prevent you from drawing current from the battery once the voltage drops below the ideal minimum level. by BobnBev » Wed Feb 02, 2011 1:44 pm, Post In our latest Q&A video, one of our experts explains how many amps you can expect your device to use in different situations, and how you can minimise your fridge's power usage as much as possible. The theory is amp hours (of battery) divided by amps drawn. Dual Battery System. Your cranking battery is designed to deliver it for a short period of time. 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. Battery capacity is measured in Ah (amps x hours). as stated....cool fridge down for few days before going away...plug it into vehicle....when its full of food.and been on 240v for at least 10 hours..........remember.....if your stopping for a break...toilet/fuel/food.........unplug the fridge or you'll have a vehicle flat battery.....I have a jumpstarter...I plug mine back into.....while stopped....get yourself a solar panel...80watt should do.....gennies are great but your limited on where you can use one... 2 suggestions to maximise the durability of your battery. It has superior discharge … Which is why running your car fridge off your cranking battery isn’t the best idea. And 300 amps isn’t unheard of. ↳   TECHNICAL Forum - Caravans, Motorhomes, Vehicles and Towing. Do it too long and pretty quickly your cranking battery runs out. Starting your car requires a burst of 100 to 200 amps. First, a quick lesson in electronics for those who don’t quite understand what an inverter does. A slightly different example is a 60 watt fridge running on a 12 volt power source uses 60 /12 = 5 amps, but only while the motor runs. and the ambent temp. by chrisandliso » Mon Jan 31, 2011 5:06 pm, Post By adding a solar source to charge the PowerTop you can charge on the move – by either by fixed solar panels on your roof, via alternator charging or while set up at camp by using the Baintuff 180w solar blanket. When going on a camping trip, people often wonder how much power their portable fridge will be using. A RV refrigerator or a residential refrigerator for Rv consuming around 150 watts while it is running would be drawing around 12 amps hour from a single 12 V battery. The Dometic WAECO CoolPower RAPS44 portable heavy duty12 volt battery is the ideal choice for running a portablecompressor fridge/freezer for long periods of time. Batteries are a form of DC or direct current. and also internally. It is in an insulating protective cover. 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. This is a portable heavy duty 12 V battery that is the ideal choice for running a portable compressor fridge or freezer for long periods of time. And our battery is 120AH. Do it too long and pretty quickly your cranking battery runs out. Now of course a fridge does not take a continuous current. And under these conditions a RV refrigerator alone can run for around 4-5 hours using the 12 V battery … Meaning when calculating your PowerTop’s useable power, you should base your calculations off half the batteries amp hours. 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. See the index page for the full list. The Dometic WAECO CoolPower RAPS44 portable heavy duty12 volt battery is the ideal choice for running a portablecompressor fridge/freezer for long periods of time. Assuming a small 12 volt fridge of the type found in caravans, about 50 watts, and an average car battery, with a capacity of 40 amp hours. That’s all on battery power. 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. The batteries consist of 2 x 70A units I set the Waeco on Freeze mode Last night when I got home the unit had already "kicked" out. Yes it can – however it needs to meet the following: Remember, it’s best practice to keep your battery topped up, by putting more in than you are drawing out. This is with minimal other battery use and a little fridge use. This is with minimal other battery use and a little fridge use. 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