Locate the battery terminals on the charge controller. Now we’re ready to connect the charge controller and 12V socket to the battery.
Use a wrench or ratchet to tighten the bolts. Step 2: Connect the Charge Controller & 12V Socket to the BatteryĬonnect the positive battery cable (included in the solar panel kit) and fuse cable to the ANL fuse. With all that out of the way, it’s time to start building. If you’re using an MPPT charge controller, I’d recommend wiring your solar panels in series. Parallel wiring is what I recommend when using a PWM charge controller. Wiring solar panels in parallel sums their currents while keeping the voltage the same. If you’re using a PWM charge controller with multiple solar panels, wire the solar panels in parallel.Your charge controller should also be compatible with 12V systems. If you follow this wiring diagram, make sure you’re using a 12V fridge, 12V battery, and 12V solar panel. Make sure all your equipment is rated for 12 volts.Refer to this video for guidance on whether or not you need to place fuses there. If you use multiple solar panels, you may also need to place inline solar fuses between the solar panels and charge controller. Safety best practices are to place a fuse on the positive wires between the battery and charge controller, and between the battery and the fridge. Protect your setup with a fuse between each connection.The battery needs to be connected to the solar panel via a solar charge controller, which regulates the voltage and current output by your solar panels to safely charge the battery. You’ll damage your battery if you connect your solar panel directly to it. Connect the battery and solar panel to a solar charge controller.Instead, you need to store the solar energy in a 12V battery and power the fridge off of that. You can’t power a 12V fridge directly with a solar panel. Here’s the wiring diagram I’ll be using to solar power my fridge:Īnd here are the main things to understand about it:
12 volt fridge free#
Note: Feel free to copy this parts list as is or use the tips in the sizing sections below to pick your own. Wrench or ratchet - for tightening bolts.12V socket - for connecting the fridge to the battery (I’m assuming your fridge’s 12V power cord has a 12V car plug).30A ANL fuse set - a 30 amp fuse is the right size for the charge controller in the kit linked above.12V 100Ah LiFePO4 battery - this is the battery I used, but feel free to use a different one.12V fridge with its included 12V power cord.
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