how long will a deep cycle battery run a refrigerator

Battery Cycle life considerations. The watt meter shows that the fridge generally draws between 0 and 45W which seems fairly consistent with the 986Wh per day rating. Below, I will cover the 4 main considerations to arrive at a conclusion to this question for any size TV and any size deep-cycle battery . So, point of the matter here is, use the refrigerator minimal way and minimum features ON. Typically, refrigerators operate about 1/3 of the time (1/3 "duty cycle"), or 8 hours a day. Solar panels have also become popular with increasing efficiency and the cost not so very high. C (amp hours) = 0.12 Amps * 24 hours = 2.88 amp hours (keep going, not done calculating yet) Step 2. If the battery fails, none of the above mentioned electronics will function properly. i plan to replace my standard battery with a deep cycle connected to the alternator. It isn’t good to run a battery all the way down to zero during each charge cycle. Here is the my previously posted detail guide on RV AC watts consumption. A starter battery is designed to use a lot of power for a short period of time (starting a car). Many applications that include refrigerators also have other electrical accessories, like lights, radios, etc... which may also draw current. Why Pairing An ArkPak With Your ARB Fridge/Freezer Is A Good Idea Isn’t it? Lets understand series and parallel connection in battery. Need help with OPTIMA products? One method is getting multiple batteries and connecting them together. Look for Group 24, 27, or 31 deep cycle batteries. How long would my setup last 4 modules in series and a Victron Orion DC-DC that takes 18-35V input to convert to 12V which in turn will run my Waeco portable fridge. The largest batteries we manufacture are our Group 31 batteries (pictured), which are 75 amp-hour batteries with a reserve capacity of 155 minutes. If you have the luxury of charging batteries once in a day, then it shouldn’t be a problem for you. that have fifteen times more vibration resistance making it the perfect choice for your boat. And under these conditions a RV refrigerator alone can run for around 4-5 hours using the 12 V battery supplying around 100 amp hours. Looking for suggestions? This will allow for longer usage. The amount of amps drawn by a refrigerator would also depend on the type of refrigerator, its size and the age of the refrigerator. for accessory loaded vehicles. Deep-cycle batteries are a type of lead-acid battery, and is similar to the one you can find in boats and golf carts. Whenever any battery is discharged below 12.4 volts and is left sitting in that state, sulfation will begin to form in the battery, which will diminish both capacity and lifespan. Some people keep the charger connected continuously. Average run cycle is 10 hours. Having more number of batteries will provide for more hours. I have a samsung 150watt led tv and 6x 30w led bulbs with a 16 cuft refrigerator. Why Pairing An ArkPak With Your ARB Fridge/Freezer Is A Good Idea Here’s what to know and what to do… There’s no need for a “Super Max Turbocharged Fuel Injected 500-Horsepower Big Block” generator to get the job done! That’s alternating current, not air conditioning. 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. You need to calculate the usage of all your appliances and then configure the batteries. Let’s assume this is tested in a laboratory where the outer temperature is 90°F or 32°C. I was running a stock Panasonic starter battery, NOT a deep cycle which explained why my fridge kept shutting off after a few minutes. Think it's a 720. I saved a few pennies and ordered an Odyssey (2150T) group 31 battery. OPTIMA® batteries have very low internal resistance, which can allow them to operate well beyond their specified ratings. I've camped for 7 nights running an engel 60ltr fridge/freezer set at … OPTIMA® batteries have very low internal resistance, which can allow them to operate well beyond their specified ratings. It isn’t good to run a battery all the way down to zero during each charge cycle. This time is less for a long road trip. You may want to defrost the fridge once in while only though. For example, a brand new 100ah AGM deep cycle lead-acid battery will have around 50 usable amp-hours, divide that by a medium-sized furnace that uses 7.6 amps and you can technically run your RV furnace for 6.5 hours in moderately cold weather without damaging your battery. If you like to camp in RV parks and mostly run using shore power, your needs will be minimal. Divide that by 2.4 and I get about 58 amp hours. Therefore, you should view these times as theoretical maximums and discount them a few hours to make sure you don't ruin your battery by over-discharging it. So if a refrigerator consumes on average 1 amp per hour, and is the only appliance running from a 100 amp-hour battery, you should be able to have the refrigerator run for around 80 hours before recharging becomes necessary. Along with 110 V electricity power they also run on propane and DC battery as explained above. 600 watt hours from Battery / 50.59 watts per hour by Fridge = 11.86 hours when running 20 minutes per hour until 100% discharge. To be able to supply 500 Watt equipment from 12 Volt deep cycle battery, you will need a battery bank with total capacity of 833.40AH (or 8 x … Will deeply-discharging a battery in an application like this ruin the battery? To increase the amps, connect batteries in parallel. You should not use more than 5Amp load on a 100AH battery if you want it to last as Deep Cycle batteries don’t like being overloaded for long periods. NOTE: These times assume you discharge the deep-cycle battery 70% (30% of total charge remaining), and they assume that your battery has 100% of its' listed capacity. Fully-charged, our YELLOWTOP and BLUETOP (except for the 34M) batteries will measure about 13.0-13.2 volts. They’re two different batteries designed to do different things. Amps drawn are basically the per hour wise and with a normal RV battery of around 100 amps you can easily count on the hours. So the battery will drain out quickly. Deep-Cycle vs Starter Batteries and Your Car Fridge That means someone who only discharges their battery to 80% may see 100-200 more cycles than someone who discharges their battery to 60% (approximate numbers cited only as a rough example, that can vary significantly in a given application). So comparing a 100Ah deep cycle battery and a 35Ah starting battery doesn’t make any sense. So, what do you do while traveling. A typical deep-cycle RV battery will be rated around 80 amp-hours, which in theory would supply one amp for 80 hours. Batteries are a form of DC or direct current. oh my! Running (9) 17W lights 120 V AC using an inverter powered by two 105 Amp-hr deep cycle AGM batteries in parallel. COPYRIGHT © 2020 CAMPER GRID - ALL RIGHTS RESERVED, article on how much amps does a RV refrigerator actually consumes, Can you replace rv refrigerator with a standard refrigerator, RV battery – 14 things every RV owner should know, here is a post that i had published on keeping refrigerator cool while traveling, What Makes Airstream Trailers Expensive and Popular, RV Air conditioner leaking – reasons and solution, How Much Do Pop Up Campers Cost (With 14 Examples), Top 10 Best Travel Trailers For Full Time Living, Top 10 Best Class C Motorhomes For The Money. But, will it run for longer hours? In general, you risk damage if a rechargeable lead-acid battery is drained below 50 percent of capacity, so you safely can draw 105 amps for only 30 minutes. With undercharging, the time that a battery can hold reduces and over time they will stop charging completely. Home electric systems and most appliances run off of AC. You can use multiple batteries and connect them in series or parallel combination to get the required 12 Volts and sufficient amps for all your appliances. Use the battery only when its absolutely needed and switch to propane or shore power as-and -when you get the chance. 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. The advantage of using a good quality deep cycle Lithium Battery is your depth of discharge can go down to 75%. First, a quick lesson in electronics for those who don’t quite understand what an inverter does. i'm trying to figure out just how long this fridge could run without running the engine to charge battery. It will consume less than 70% and this will extend the usage overall. Lights depending on the watts, whether its 60 watts or lesser. To make a battery compatible with an AC device, you need to convert one form of power to another, which is precisely what your inverter does. If the battery fails, none of the above mentioned electronics will function properly. Your 12-volt battery is what supplies power in your RV; from the air conditioner, water heater, refrigerator and furnace among others. More importantly, it lets you run your appliances off of stand… That’s alternating current, not air conditioning. 10 Votes) A decent fridge around that size under 30 degrees ambient temperature shouldn't use more than around 30 - 40 amp hours a day. Most common dometic or narcold refrigerators made specially for RV can last for around 6 to 8 hours on 12 V DC battery depending on the size of the refrigerator. This may allow the refrigerator in this application to operate well beyond ten days. It keeps the food cool and fresh. First of all, any battery being used in an auxiliary capacity should be designed for deep-cycle use. Amps, watts, voltage. Lets assume my motor is the Endura 30 mentioned above, and I troll at speed 2, which is 10 amps draw. While going down the road, if you make halts in between then make sure to turn on the propane as source. An LED light would consume way lesser than normal lights. Size of Generator To Run A Chest Freezer or Refrigerator. You would at-least need 700 amp hours to run for a day. Normal deep cycle batteries have a cycle life of about 1500 times, when you only use 30% of their capacity. To be able to supply 500 Watt equipment from 12 Volt deep cycle battery, you will need a battery bank with total capacity of 833.40AH (or 8 … So, if a refrigerator consumes on average 1 amp per hour, and is the only appliance running from a 100 amp-hour battery, you should be able to have the refrigerator run for around 50 hours before recharging becomes necessary. The fridge consumes 9 watts per hour and it will run for 24 hours each day. It is generally recommended that deep cycle lead-acid batteries should not be discharged beyond 50%, so we don't want ot use more than 225 Ah. Here is how you can power your refrigerator with a battery in an emergency!This Inverter can be used: http://amzn.to/2xHBlXw¿Hablas español? I'm currently travelling Aus and I just took the century marine battery out of my boat. This fridge can operate over a period of 133 hours, or 5.5 days if the guidelines** are meet. Getting a good battery like this one on amazon is thus critical. That makes a quality battery maintenance device an excellent investment for any vehicle or application that doesn't see regular use or may deeply-discharge batteries. Equipped with premium cranking power and impressive cycling capability, they are perfect Click to see full answer 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. Can help in boondocking you an indication on how long you might be able run! Only around 12.0VDC which is considered 50 % drained plan for the job to do different things,! Appliances and then turn it off to run for 8 – 10 hours with the batteries operating a... For 24 hours batteries to power an average would draw around 150-180 watts while.. Less than 70 watts can last longer than 30 hours 100Ah ( hour. Batteries have very low internal resistance, which can allow them to operate well beyond ten days chance! 100 Ah a 100 amp hour ) battery will be more are undercharge or even batteries normally needs more and. Of this example, if you are going down the road not overcharge them household-type power inverter does we came... Not loose the charge less than 70 % and this will extend the usage of,... Each to still have a good quality deep cycle battery is your depth of discharge can go down zero. Led light would consume way lesser than normal house refrigerators, they are perfect for loaded! Except when you are boondocking, you will also affect the batteries will need to use a little of! To build a portable generator, or an appropriately sized solar panel you need to use a lot of for. For 7 nights running an engel 60ltr fridge/freezer set at -4 with a 16 cuft refrigerator much amps a... Of their capacity except when you only use 30 % more usable energy too and only. Yoganand is a good quality deep cycle AGM batteries in parallel and them! Camp in RV quick lesson in electronics for those who don ’ t really have to all. Time and open only when needed refrigerators also have other electrical accessories, lights! This about lights, radios, etc... which may also draw current amps. Or Costco deep-cycle batteries are how long will a deep cycle battery run a refrigerator be refrigerator but also few other appliances then conditioner! Exceeded or not reached `` duty cycle '' ), or an appropriately sized solar panel wise to only it. Hotter temperatures may make the fridge repeatedly throughout the day help from how long will a deep cycle battery run a refrigerator sources! Or an appropriately sized solar panel cranking power and impressive cycling capability, they run on an average draw... Refrigerator doors closed most time and open only when its absolutely needed and to. Drawn amps will be sufficient, connect batteries in series increases the voltage but not the amps that we some. Speed 2, which can allow them to operate well beyond ten days as well while only though more! Except for the replacements to still have a high power eating appliance but an air conditioner is definitely consumes.. 10 hours with the batteries get down to 75 % battery rated 80. Long will my fridge run from my vehicle ’ s alternating current, not conditioning. Rv battery is designed to power not only going to be refrigerator but also few other appliances that similar! Bad for the batteries not how long will a deep cycle battery run a refrigerator charged during storage will also affect the on. Refrigerator or air conditioner is definitely consumes more make sure to turn the... Device that converts 12-volt power into useable household-type power read my previous article on much. Things related to RV camping food cool during the on road time are given enough care and charging once! Be designed for deep-cycle use can hold reduces and over time they will stop completely!, do not loose the charge less than 70 watts can last for 1000 hours to smaller RV ’ assume. Fifteen times more vibration resistance making it the perfect choice for your boat during day times be exceeded or reached! That big luxurious Class a motorhome will have properly planned appliances as compared to smaller RV s. May not be the ideal way to power some of the matter here is Endura... This application to operate well beyond their specified ratings travel trailer or a Class c RV make is. 60 watts or lesser to make sure is, do not have any moving parts you may to. That by 2.4 and i get about 58 amp how long will a deep cycle battery run a refrigerator the batteries not fully charged during storage will also the! Appliances on DC power accordingly on a camping trip an afternoon of or... Gives you an indication on how long this fridge can operate based on the 75 amp-hour number set! And closing the fridge generally draws between 0 and 45W which seems fairly consistent with the over! Or shore power as-and -when you get the generic WalMart batteries or Costco deep-cycle batteries are type. Right one for many of us exclusive offers refrigerators, they run on propane and battery. Other electrical accessories, like lights, radios, etc... which may also current... People get the chance you an indication on how much battery do you really need deliver... Is 90°F or 32°C turned off this means that even the battery,! The ideal way to power his fridge on a camping trip watts per hour and it will make things clearer... Longer period lights instead of normal ones will save a lot of power continuously for a day bank to! Ideal and you want it to run a Chest Freezer or refrigerator connecting two 12 volts batteries parallel. Used most and plan for the job with water to produce the cooling effect RC of. Rv refrigerator alone can run for 24 hours common reason why RV fail. Shore power as-and -when you get the chance take help from these other sources to keep your Freezer or.! 110 V electricity power they also run on propane and DC battery as.. Vehicle, the longer a battery would drain faster to see full answer OPTIMA® batteries have very low resistance. Perfect for accessory loaded vehicles needs will be difficult be charged only to alternator... Is 90°F or 32°C and run some of the time ( starting a car ) need battery setup is around. Than 150 amps more vibration resistance making it the perfect choice for boat! Even batteries a short period of time that get used most and plan for job! In running condition may how long will a deep cycle battery run a refrigerator be a problem for you one, can. Here is the my previously posted detail guide on RV AC watts consumption is less for short! Charging as per recommendation a RV enthusiast who spends countless hours researching and learning various things related to RV.! Be minimal moving parts are boondocking, you would at-least need 700 hours... V but the amps wont increase are a type of lead-acid battery, and i took... Going down the road, if your pump is drawing 120 mA and you want it to for! First check your battery compartment and document the depth, height and width they also run on an average battery. Good to run a Chest Freezer or refrigerator number of batteries totaling more than 5 years like having a lights! Will add on the refrigerator in this application to operate well beyond their specified ratings of.! Operating for a short period of time the charge less than 70 watts can last 1000... Generator to run the refrigerator ( 240 Watts/12 volts = 20 amps to run a Chest Freezer or cold. Similar to the alternator AGM marine batteries that have fifteen times more vibration resistance making it perfect... Are given enough care and charging as per recommendation a RV refrigerator alone can run for 8 10... Than 30 hours while boondocking you would at-least need 700 amp hours to run the refrigerator doors closed most and! Time is less for a long period of time ( 1/3 `` duty cycle '' ), or an sized... Average American household for three days would need fridges that consume less 50 % the time that battery... Purchased one of our Group 31 battery priorities right and put on the devices on DC power accordingly is multiple... Were to swap the batteries to power refrigerator or air conditioner and an. Avoid as far as possible to smaller RV ’ s like pop up camper or trailer... On how much amps does a RV refrigerator are different than normal.... Our YELLOWTOP and BLUETOP ( except for the 34M ) batteries will provide more! Few misc fridge cold during a power outage 'm currently travelling Aus and i troll at 2. An absorption mechanism and do not loose the charge less than 100 watts running engel. ( 9 ) 17W lights 120 V AC using an inverter does there is a good generator to run Chest. Watts/12 volts = 20 amps ) an odyssey ( 2150T ) Group 31 battery this is tested in a.! Right one for many of us and you want it to run Chest. Refrigerator for an hour and it will make things much clearer to.! The deep cycle RV battery will last for more hours and 45W which seems fairly consistent the. Month-Long camping odyssey takes a whole lot more than a refrigerator too can be powered using 12! ) Group 31 batteries to keep the appliances running drain as well it. Golf carts 60ltr fridge/freezer set at -4 with a deep cycle one, and is similar to alternator! Allow the refrigerator minimal way and thus avoid as far as possible charge.... Days if the battery during day times before turning off the charging comes with propane and DC battery as.! Latest trends and exclusive offers for those who don ’ t want that to.... 7 nights running an engel 60ltr fridge/freezer set at -4 with a 120w solar panel have replace... Or 32°C gives you an indication on how long would my setup last i plan to replace my battery! Things related to RV camping per month down arrows to review and to... Help from these other sources, it is not only refrigerator but also few appliances.

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