How To Connect Third-Party Solar Panels To Goal Zero Yeti


Charging Goal Zero Power Stations With Third-Party Panels


After purchasing a refurbished Goal Zero Yeti 1000 Lithium, we started looking for solar panels to go with it. Goal Zero makes their own and sells them in briefcase-style products, but we were hoping to find a cheaper option.

Suddenly one evening, a deal showed up and we decided to buy two Renogy Foldable Solar Suitcase Kit 100W. Of course, we could have done a DIY setup for even less but we thought the deal was so great with the included carrying bag and stand that we went for it. We bought one with a solar charge controller, and one without. By bypassing the solar charge controller (I have a post coming up about that), we can charge our Yeti 1000 with both suitcases. This way we can also connect both suitcases to directly charge our RV battery.


What Makes A Solar Panel Compatible With Goal Zero Power Stations


Before we get into how it’s done, let’s talk about what makes a third-party solar panel compatible with the Goal Zero Yeti Lithium power stations. We’re limited to the solar charge controller that is built into the Yeti 1000 which is a PWM charge controller. Goal Zero does sell an MPPT charge controller as well that we’ve purchased. The MPPT solar charge controller is more efficient when charging both through the wall and with solar panels.

One thing that both the PWM and MPPT have in common is the max 22-volt rating. What this means is that the solar panel we buy can’t be rated at more than 22V Maximum/Optimum Operating Voltage (Vmp). Note that this is the case with Goal Zero’s solar charge controllers at least, and if you have a different power station with a Max voltage it might be talking about a different rating.

To figure out what a panel is rated for, the best way is to visit the manufacturer’s website. Renogy makes the solar panel we bought and the specific model can be found here on their website. If we click on Specifications, it tells us that the Maximum/Optimum Operating Voltage is 18.0V, which is under 22V, making it a compatible panel for our Yeti 1000.

The panel comes with two cables sticking out of it, one MC4 male and one MC4 female. The inputs available on the charge controllers on the Yeti 1000 however, are 8mm and Anderson Power Pole. So what we need is an adapter to connect to either one of those. I decided to use the Anderson Power Pole input since it can handle more amps than 8mm.

Renogy’s panels have a positive male, and a negative female coming from the panel. This means that I needed an MC4 to Anderson Power Pole Adapter where the female was positive, and the male was negative. The specific cable I ended up buying was the one below.

INSTABOOST 10AWG MC4 Solar to Anderson Power Pole Adapter Connector Male Famale Solar Panel Cable Connector Kits PV,Part Solar Generator Portable Powerstation(Male -Negative and Female-Positive)

INSTABOOST 10AWG MC4 Solar to Anderson Power Pole Adapter

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As you can see, the female on the cable above is a positive wire (red), and the male is a negative (black), making it a match for my solar panels. If you have a solar panel where the MC4 positive wire is a female, and the MC4 negative wire is a male, you’re going to need the cable below.

MC4 Solar To Anderson Power Pole Adapter connector Male and Famale solar panel cable connector Kits for PV,Goal Zero Yeti,Suaoki,Renogy Solar Generator Portable Powerstation

MC4 Solar To Anderson Power Pole Adapter

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Note that the positive from your panel should always go into the positive red wire on the adapter, or you have the wrong cable. The red piece of the Anderson Power Pole should then always go into the bottom red part on the Yeti 1000.

Now, if you would rather use the 8mm input, or want to use both with additional panels, we need the same thing but an 8mm on the end instead of the Anderson Power Pole. If your panel has a positive male (red) and a negative female (black), we’ll need the cable below.

Upgraded- MC4 Solar to 8mm Adapter Cable 48' Perfet Working for GZ Products (Male//Negative and Female Positive) (Blue)

MC4 Solar to 8mm Adapter Cable

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If your panel has a positive female (red) MC4, and a negative male (black) MC4 wire coming out of it, you’ll need the adapter below.

JoinWin MFG Upgraded MC4 to 8mm Adapter Perfet to GZ Products

JoinWin MFG Upgraded MC4 to 8mm

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Can You Just Tell Me What Panel Works With What Adapter?


If it’s still confusing, a Renogy solar panel with the correct adapter would be:

Solar PanelRenogy 100 Watts 12 Volts Monocrystalline Solar Panel

AdapterINSTABOOST 10AWG MC4 Solar to Anderson Power Pole Adapter


How To Connect Two Or More Panels?


When connecting more than one panel, we have to be careful with how we wire them. Two panels wired in series will exceed the maximum 22 volts quick, so we must wire the panels in parallel. What wiring in parallel means, is that the positive wires meet each other separate from the negative. This will add the amperage together, but not the volts, as series wiring does. This is done with a connector like this (click here).

Plug each positive wire into the same connector, and then plug the connector into the positive (red) female on the adapter we looked at before.

Then you take both negative wires, plug those into the negative (black) male on the adapter that you’ll plug into the Goal Zero.

If you want to connect three panels, this is the adapter you’ll need.

If you want to connect four panels, this is the adapter you’ll need.

Make sure you don’t exceed the max watts the Goal Zero can handle, see below for those numbers.


How Many Watts Can The Goal Zero Lithium Power Stations Handle?


The built-in PWM charge controller can handle up to 360 watts, and the MPPT can handle up to 325 watts.

The 8mm charging port on both the PWM and MPPT only likes up to 10A (150 watts) which is why I recommend using the Anderson Power Pole instead.


Best Extension Cable Solution For Goal Zero Yeti?


I use MC4 connectors to extend my cables. I made my own but WindyNation sells different lengths with both 10 and 12 gauge cable. 10 gauge is recommended for up to 40A, and 12 gauge for up to 30A. If you find a different cable I recommend buying one that has an obvious red and black wire, so you won’t accidentally connect the wrong one into the Goal Zero.

Let me know if you have any questions by leaving a comment.

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