GoalZero Boulder 30w Solar Panel & Guardian Charge Controller

The first large(r) solar system that I purchased was a GoalZero Boulder 30w Solar Panel with a GoalZero Guardian 12v Charge Controller. It came already packaged and ready to put into service, which I did on Day 1. That system has not disappointed me since.

GoalZero

Goal Zero Boulder 30w

I wanted a pre-configured solar charging system that was already tested, proven and ready-to-go right out of the box. I chose GoalZero solar equipment for this application, which required ease of storage and transportability.

“Rugged, durable, and rigid. The Boulder 30 Solar Panel is built with strong tempered glass and an aluminum frame for temporary or permanent installation.”

Boulder 30 Solar Panel General Info –
* Weight: 6.5 lbs (2.95 kg)
* Dimensions: 21 x 18 x 1 in (53 x 46 x 2.5 cm)
* Certs: CE, FCC
Goal Zero Boulder 30w solar panels * Optimal Operating Temp: 32-104 F (0-40 C)
* Warranty 12 months
* Rated Power: 30W
* Open Circuit Voltage: 18-20V
* Cell Type: Monocrystalline

Ports –
* Solar Port (blue, 8mm): 14-16V, up to 2.0A (30W max), not regulated
* Can be daisy chained together.

GoalZero 12V Charge Controller 14002

Guardian 12V Charge Controller 14002

To control the charging I chose the GoalZero Guardian 12V Charge Controller 14002 Solar charger/controller unit.

After buying the first panel and charger/controller I purchased a second Boulder 30 panel. The two panels can be daisy-chained together effectively doubling the charging rate to 60w. Then about 6 months later I purchased a second charger/controller.

That gives me the ability to charge two batteries at the same time or redundancy on the original charger/controller unit. Two is one, one is none.

In a pinch I can use the smaller 12V solar charger (Nomad) but they have a much slower charging rate than the larger Boulder panels. But they too can be daisy-chained to increase the charge rate.

There are lots of options for solar charging of batteries and alternatives to GoalZero. You can pick whatever system is best for you, just do your research, or find someone you trust and buy what they bought. GoalZero is kind of pricey but I believe they are a high-quality brand from everything I’ve seen.

Note: I understand that GoalZero is no longer producing the charger/controller units. You can still find them occasionally on eBay for about $45 – $55.00. Worth the money.

Goal Zero Guardian Anderson Powerpole modificationI did make a slight modification with my two Guardians. Everything is standard with the exception that I cut the batter alligator clip connection wire assembly.

Goal Zero Guardian aligator clamp wire assemplyAnd then installed 45amp Anderson Powerpoles. This gave the battery clamps the capability to still work as designed. But, it also gave the charge controller the ability to hook directly into my radio boxes and power poxes.

GoalZero Guardian charge controller with anderson powerpole modificationThis is a great combination of GoalZero equipment that provides 30w solar power or combine it with additional Boulder 30 panels to beef up your power delivery. Yes, you can buy 30w panel systems cheaper, but you can’t get cheap and GoalZero quality.

A solid buy in my opinion.
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9 thoughts on “GoalZero Boulder 30w Solar Panel & Guardian Charge Controller

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  6. I built a 240 watt system with 90 amphrs for 3 hours of 12 volt battery that i can easily switch too 30 amphrs for 10 hours depending on how i wire it -super simple, portable setup that works on my car roof etc., and runs small refridge/ and a fan as well as charging minor electronics 🙂

    Working on doubling and trippling this over next few weeks.

    Very diy/ 6 diff component types, but all about wire size and expected amperage etc

    Liked by 1 person

  7. I love Goal Zero’s portability. They were my first major solar purchase as well and I have bought most of their products. I am saving up now for the Yeti 1200 which is powerful enough to run my freezer in electric grid down time-at least for a day or two.

    Liked by 1 person

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