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RV Solar Calculator

Start Sizing

Go Power! RV Solar Calculator

How much solar would you need to power your adventures? By answering these simple questions, we can estimate the size of your system in a few moments.
1 Getting Started - Type of RV
2 Travel - Times and Destination
3 Power Loads - DC
4 Power Loads - AC
5 Recommended Products
  • Click the image to select the type of RV you have.
  • What type of batteries do you have?

  • How many batteries does your RV or trailer have?
  • In order to accurately size your solar charging system, we need to know what type of traveler you are.
  • What time of year do you use the RV or trailer the most?
  • How long do you typically travel for?
  • Skip to AC

    Which DC Appliances Are In Your RV?

    This section helps us identify how much power your DC appliances use in your RV or trailer. Please indicate how many of each item you have, and how long they would typically run per day. 

    These would generally be items that would have been by the manufacturer. 

    Instructions

    1. 1. Enter the quantity of each appliance by entering a value in the form field.
    2. 2. Choose the amount of time that appliance would typically be used on the bar to the right.
  • Light Bulbs
  • How many light bulbs?
    Please enter a number less than or equal to 50.
  • Bulb Type
    hrs. per day
  • Water Pump
  • How many water pumps?
    Please enter a number from 0 to 2.
    min. per day
  • 12 Volt TV
  • How many DC TVs?
    Please enter a number from 0 to 10.
    hrs. per day
  • SC Fan
  • How many fans?
    Please enter a number from 0 to 5.
    hrs. per day
  • Furnace Fan
  • How many furnace fans?
    Please enter a number from 0 to 4.
    hrs. per day
  • 12 Volt Stereo
  • How many DC stereos?
    Please enter a number from 0 to 4.
    hrs. per day
  • Refrigerator
  • How many 3-way fridges do you have?
    Please enter a number from 0 to 6.
    hrs. per day (duty cycle)
  • USB Charger (on Solar Controller)
  • How many chargers?
    Please enter a number from 0 to 20.
    hrs. per day
  • Propane alarm
  • How many alarms?
    Please enter a number from 0 to 2.
    hrs. per day
  • Other DC Appliance
  • How many?
    Please enter a number from 0 to 99.
  • Amp Draw
    Please enter a number from 0 to 99.
    hrs. per day
  • The draw with the season worked in to affect demand
  • See my Recommended Products

    Which AC Electronics or Appliances Are In Your RV?

    This section helps us identify how much power your AC appliances use in your RV or trailer. Please indicate how many of each item you have, and how long they would typically run per day. 

    These would generally be items you would have installed yourself, or brought from home.

    Instructions

    • 1. Enter the quantity of each appliance by entering a value in the form field.
    • 2. Choose the amount of time that appliance would typically be used on the bar to the right.
  • AC Fridge
  • Do you have a residential fridge?
    hrs. per day
  • Your AC fridge may draw too much power to rely solely on solar.
    Please contact us for more accurate solar kit sizing.
  • Cell Phone Charger
  • How many chargers?
    Please enter a number from 0 to 10.
    hrs. per day
  • TV
  • How many TVs?
    Please enter a number from 0 to 5.
    hrs. per day
  • DVD Player
  • How many DVD players?
    Please enter a number from 0 to 5.
    hrs. per day
  • Satellite Dish
  • How many satellite dishes?
    Please enter a number from 0 to 3.
    hrs. per day
  • Microwave
  • How many microwaves?
    min. per day
  • Toaster
  • How many toasters?
    Please enter a number from 0 to 3.
    min. per day
  • Coffee Maker
  • How many coffee makers?
    Please enter a number from 0 to 3.
    min. per day
  • Blender
  • How many blenders?
    Please enter a number from 0 to 3.
    min. per day
  • Desktop Computer
  • How many desktop computers?
    Please enter a number from 0 to 10.
    hrs. per day
  • Laptop Computer
  • How many laptop computers?
    Please enter a number from 0 to 10.
    hrs. per day
  • CPAP Machine
  • How many CPAP machines?
    Please enter a number from 0 to 4.
    hrs. per day
  • Other AC Appliances
  • How many?
    Please enter a number from 0 to 99.
  • Amp draw
    Please enter a number from 0 to 99.
    hrs. per day
  • The draw with the season worked in to affect demand
  • Amp draw in a day

  • We took all the information you gave us, and based on your answers, here are your ideal solar solutions:


    This product is meant as a guideline for how much solar you need for your RV, based on your power needs. For a full list of our products, click here.

  • 100 Watt Retreat Solar Kit

  • 100 Watt Retreat Solar Kit

    +

    Retreat Expansion

  • Overlander Solar Charging Kit (190 watts)

  • Overlander Solar Charging Kit (190 watts)

    +

    Overlander Expansion

  • 760-watt Solar AE 4 Kit

  • 1140-watt Solar All-Electric Kit

  • Weekender ISW Solar Charging System (190 watts)

  • Solar Elite Charging System (380 watts)

  • Solar Extreme Charging System (570 watts)

  • 760-watt Solar AE 4 Kit

    +

    IC Series 2000-watt Inverter Charger

  • 1140-watt Solar All-Electric Kit

    +

    IC Series 3000-watt Inverter Charger

  • Battery Report

    There is an issue with your battery draw: {Batteries:89} is too few batteries (estimated 100Ah batteries at 50% depth of discharge). It leaves your system with {Battery Draw:280} amp hours. Either add more batteries or draw fewer amps off of the current system.

  • Based on your Previous Selections...

    RV Type{RV Type:1}
    Travel{Travel times:2}
    Batteries{Batteries:89}
    You don't have enough batteries to support your usage. Consider adding more batteries to increase your off-grid capacity. See below for details.
    Total Daily Amp Draw: {Adjusted Amp Draw:84} Amp Hours
    Total Weekly Amp Draw: {Amp Weekly:273} Amp Hours
    Peak Load Wattage: {Max Wattage Load:242} Watts
    DC Loads
     Qtyavg. use per day in amp hours (Ah)
    Light Bulbs {Number - Light Bulbs:12:value}{Time - Light Bulbs:143} hrs. per day - Draws {Time - Light Bulbs:246:value} Ah
    Water Pump {Number - Pump:16:value}{Time - pump:144:value} mins. per day - Draws {Pump - Math:247:value} Ah
    12 Volt TV {Number - 12V TV:20:value}{Time - 12V TV DC:145:value} hrs. per day - Draws {12V TV - Math:248:value} Ah
    SC Fan {Number - SC Fan:24:value}{Time - SC Fan:146:value} hrs. per day - Draws {SC Fan - Math:249:value} Ah
    Furnace Fan {Number - Furnace Fan:28:value}{Time - Furnace Fan:147:value} hrs. per day - Draws {Furnace Fan - Math:250:value} Ah
    12 Volt Stereo {Number - Stereo:32:value}{Time - Stereo:148:value} hrs. per day - Draws {Stereo - Math:251:value} Ah
    Refrigerator {Number - Fridge DC:36:value}{Time - Fridge DC:149:value} hrs. per day - Draws {DC Fridge - Math:252:value} Ah
    In Wall USB Charger {Number - In-wall USB Charger:129:value}{Time - In Wall USB:150:value} hrs. per day - Draws {USB - Math:253:value} Ah
    Propane Alarm {Number - Alarm:40:value}{Time - Propane Alarm:151:value} hrs. per day - Draws {Alarm - Math:254:value} Ah
    Other DC Appliance {Number - Other:302:value}{Time - Other:303:value} hrs. per day - Draws {Other - Math:304:value} Ah
    n/a - -
    AC Loads
     Qtyavg. use per day in amp hours (Ah)
    AC Fridge {Yes to Fridge:279:value}{Time - AC Fridge:152:value} hrs. per day - Draws {AC Fridge - Math:255:value} Ah
    Cellphone Charger {Number - Cell Phone Charger:134:value}{Time - Cell Phone Charger:153:value} hrs. per day - Draws {Charger - Math:256:value} Ah
    TV {Number - TV:48:value}{Time - TV AC:154:value} hrs. per day - Draws {TV - Math:257:value} Ah
    DVD Player {Number - DVD:52:value}{Time - DVD Player:155:value} hrs. per day - Draws {DVD - Math:258:value} Ah
    Satellite Dish {Number - Satelite:56:value}{Time - Satelite dish:156:value} hrs. per day - Draws {Dish - Math:259:value} Ah
    Microwave {Number - Microwave:60:value}{Time - Coffee Maker:157:value} mins. per day - Draws {Microwave - Math:260:value} Ah
    Toaster {Number - Toaster:64:value}{Time - Toaster:158:value} mins. per day - Draws {Toaster - Math:261:value} Ah
    Coffee Maker {Number - Coffee Maker:68:value}{Time - Coffee Maker:159:value} mins. per day - Draws {Coffee Maker - Math:262:value} Ah
    Blender {Number - Blender:72:value}{Time - Blender:160:value} mins. per day - Draws {Blender - Math:263:value} Ah
    Desktop Computer {Number - Desktop:76:value}{Time - Desktop:161} hrs. per day - Draws {Desktop - Math:264:value} Ah
    Laptop Computer {Number - Laptop:80:value}{Time - Laptop:162:value} hrs. per day - Draws {Laptop - Math:265:value} Ah
    CPAP Machine {CPAP - Math:269:value}{Time - CPAP:270:value} hrs. per day - Draws {CPAP - Math:271:value} Ah
    Other AC Appliance {Number - Other AC:312:value}{Time - Other AC:315:value} hrs. per day - Draws {Other AC - Math:316:value} Ah
    n/a - -

    You don't have enough batteries to support your usage. You have {Batteries:89} but your draw is {Adjusted Amp Draw:84} amp hours per day. You are running short by {Battery Draw:280} amp hours per day.

  • Battery Report

    {Batteries:89} can power your system with {Battery Draw:280} amp hours to spare. (We estimated this using 100Ah batteries at 50% depth of discharge).
    Learn more about RV batteries in our RV Solar Education series here.

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