The Off Grid King Solar Package
Great for Large RV's, Trailers and Skoolies
This setup works well if you:
- Want to power gaming computers, power tools, AC fridges and more!
- Weight and aerodynamics is not a huge factor for your vehicle
- 800 watts of glass solar panels and a 80 amp MPPT solar charge controller (or 2x 40 amp MPPT solar charge controllers)
- 600+ amp hours of lead acid battery bank, or 300+ amp hours of lithium battery bank
- 2000 watt inverter, or larger
- $1,358 for Glass Solar Panels and Charge Controller
- $900 for Lithium Batteries
- $320 for Inverter
- $280 for Branch Connectors/Cable Entry Gland/Wire/Crimp Connectors/Fuses
- $50-$150 for Tools (Cheap tools are available, but you are better off buying high quality tools)
- Complete System with Lithium Batteries: $2,958
What I recommend
(I make a commission for purchases made through the links below)
Buy 2X 400 watt Solar Kits:
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Doesn't get cheaper or easier than this! This kit has everything:
Buy direct from rich solar by clicking here Or for $200 more, you can get the same kit on amazon by clicking here |
Purchase these 12V Batteries:
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Buy 2 or more of these:
The Li Time 12V 230Ah Plus Battery. Best bang for the buck lithium battery around!
230Ah Li Time Battery Click Here to Purchase If you need a cheaper battery, click here for more options |
Choose an inverter:
Most recommended:
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If you are on a budget:
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wiring products:
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High-Quality Copper Wire for DC appliance hookup
(most wire on amazon is "copper clad aluminum", which is cheaper but lower in quality): 50 feet 10 gauge Blue/Black Click Here |
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Battery to Battery Cables
Any size battery (be sure to select the right size for your battery bank) Click Here |
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Pre-fabricated Battery to
Inverter Cables. This makes your life easier! Connect your inverter to your battery in seconds with these pre-made cables. If you wish to make your cables, use the kit on the right (make sure that the holes on the connector will work with your battery/inverter) 12 volt 2000-4000 watt inverter (recommended for this system) |
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Main Component Hook-up wire/connectors/heatshrink
Requires a Hammer-type Crimper and Assembly. Great for custom built systems where length of each wire matters. If you are a beginner, stick to pre-fabricated cables. Click on a link below and choose your length (default length is 10 feet of red, 10 feet of black): |
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Branch Connector
Wiring multiple "in series groups" together requires a branch connector. Connect all of your panels together on the roof and combine them into two wires which will connect to the solar panel extension cable (Solar panel to charge controller cable above) 2 wire connector (4x required for 800 watt system) Click Here |
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Buy 2x Solar Panel Cable Entry Gland
When your solar panel array wires enter your vehicle, you will need to drill two holes. Use this cover to prevent roof leaks from developing. Click Here |
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Connect 12 volt appliances here with this fuse block. Easy to use and easy to install! These are great.
Click here |
Solar Panel Mounts:
Every vehicle is different, so check out my book and this page (click here) to figure out how to mount your solar panels
Battery Monitor:
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This device will tell you how much power you have left before your batteries go to zero. Simply attaches at the main negative lead of your battery bank.
Click Here to purchase If you want a higher quality battery monitor with bluetooth connectivity and data logging, check out the Victron Smart Shunt instead. It does cost more, but it is a fantastic device that I use on all of my systems: Click Here |
Required Tools:
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Hammer Type Crimper
Can crimp up to 4/0 gauge wire, and it is much cheaper than the 3 point crimp tool. If you plan to build only one system, this is the tool for you. If you want to build multiple systems for years, but the 3 point crimper. Click Here |
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High quality manual force crimper
The long arms provide a lot of leverage and I can usually crimp anything under 8 gauge. Click Here |
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Crimp Connector set
There are cheaper crimp connector sets available, but they are junk! Spend the extra money and buy a high quality set of connectors. The cheap chinese ones will fail and I have had it happen before. This is what I currently use: Click Here |
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Other Accessories
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12 volt USB charge strip
Click here |
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46 Liter Dometic Solar Power Fridge
Click Here |
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When connecting fans or lights or pretty much anything, use these quick connectors that are rated to 60 amps! I have used them for years for my rc airplanes and helicopters, but they are insanely useful for living in a rv.
Click Here |
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