Gear & Equipment

Buying and selling off-grid gear second hand

What belongs in this category

Solar panels, charge controllers, inverters, batteries, generators, pumps, wood stoves, water tanks, and the rest of the equipment that makes an off-grid building work. Complete systems being broken up after an upgrade or a move end up here too, and they are frequently the best value on the board.

Tools have their own category, as do building materials and vehicles. If an item spans two, pick the one a buyer would look in first.

What to check before buying used

Batteries are the item where age matters most and is hardest to see. Ask the manufacture date, the cycle count if the battery management system reports it, how it was stored, and whether it was ever charged below freezing or left deeply discharged for long periods. A cheap used lithium bank of unknown history is a gamble; one with logs and an honest owner can be an excellent buy.

Panels age slowly and fail rarely, which makes them the safest used purchase in this category. Look for delamination, cracked glass, corroded junction boxes, and burnt or missing bypass diodes. If possible, measure open-circuit voltage in the sun, panel by panel, since a string is limited by its weakest member.

Inverters and controllers are electronics: they work or they need service. Ask for it to be powered up in front of you, check the firmware version, and confirm it can still be configured for the battery you intend to use. A unit locked to a superseded ecosystem is worth less than it looks.

Generators are small engines and follow small engine rules: ask how it was stored, what fuel was in it, when the oil was last changed, and hear it start from cold rather than warm.

Pricing it honestly

The reference points for this category are published on this site. The spec tables list what manufacturers claim for the same models, normalized so that sizes can be compared, and the price index tracks what things cost new. A used price is usually a discount off the current new price rather than off what the seller originally paid, which is the most common source of disagreement.

State the condition plainly, including the faults. A listing that says what is wrong sells faster than one that omits it, because the buyer who drives two hours and finds an undisclosed problem tells everybody.

Include model numbers, not just brands. Half the questions sellers get are people trying to work out exactly what is being offered.

Writing a listing that sells

Title with the brand, model, and the number that matters: capacity, watts, or continuous rating. Then age, hours or cycles if known, condition, what is included, and why you are selling. That last one reassures people more than any adjective.

Photograph the label, not just the item. For anything electrical, a photograph of the rating plate answers most of the questions a buyer would otherwise send.

Say where it is, at least the region, and whether it can be shipped or must be collected. Heavy equipment is frequently local by necessity, and buyers filter by distance first.

Staying safe on both sides

Meet in public where practical, and where the item is at a property, bring somebody. Never send a deposit to someone you cannot verify, and be wary of any buyer or seller who wants to move the conversation off the platform immediately, who has an unusually urgent reason for the deal, or who offers to overpay.

For high-value equipment, an inspection before money changes hands protects both parties. A seller with nothing to hide will generally welcome it.

Payment methods that offer no recourse are the ones fraud relies on. Cash in person, or an escrow arrangement for anything substantial, and treat pressure to use an unusual method as the warning it is.

Why this category is worth watching

Off-grid households upgrade in steps: a bank outgrown, an inverter replaced with a larger one, a generator retired when auto-start was added. The equipment that comes out is frequently in good condition and priced to move, and it is exactly what somebody one stage behind needs.

That makes this category most useful to people mid-build, and it is worth checking regularly rather than only when something breaks. Set the location radius wide enough to be interesting and narrow enough to drive.

Worth having open alongside a listing: Specs to compare published specifications side by side; Prices to what this equipment costs new; Tools planner to size a whole system before buying a piece of it.

And the matching forum board is where to ask whether a specific item is worth having before you drive to look at it. People who own the thing will tell you plainly.

How a private sale works here

Everything on this board is a private arrangement between two people. Nothing is held in escrow, no fees are taken, and no transaction passes through this site: the classifieds exist to let two people find each other, and the deal itself is entirely theirs.

That means the ordinary protections of a marketplace are not present, and the ordinary precautions matter. Deal with people who have accounts. Inspect before paying. Meet in public where practical and bring somebody where not. Use payment methods that leave a trace, and treat urgency, unusual payment requests, and offers to overpay as the reliable warning signs they are.

It also means both sides carry the responsibility for describing things honestly, which in a small community is enforced more effectively than any policy could manage. People remember.

Distance, and why location is the first filter

Rural classifieds are shaped by geography more than by price. A good deal three hours away is frequently not a good deal at all once the drive, the fuel, and the day are counted, and heavy items make that worse.

So the location box is the most useful control on the page. Set a radius that matches what you would actually travel for the kind of item you are looking at: a couple of hours for something substantial, considerably less for something ordinary. Sellers should state their region for exactly the same reason, because a listing without a location is one most buyers skip.

Where an item is worth a long drive, it is worth a phone call first. Confirm it is still available, confirm the condition, and confirm what will be needed to load it.

Posting, accounts, and what happens to your details

Reading needs nothing. Posting needs a free account with a confirmed email address, which exists so that both sides are dealing with an identifiable person and so that a seller can be contacted about the same item three months later. It is not used for anything else.

Your email address is not shown publicly on a listing. Contact runs through the site so that you can decide when to share a phone number or an address, which is the ordinary sensible arrangement for a private sale.

Listings can be edited and removed by whoever posted them, and marking something as sold is a small courtesy that saves other people a message. The same account covers the forum and the other community sections, so somebody offering equipment here is the same identifiable person who answered a question about it on a board.

Judging condition when you cannot inspect first

Rural distances mean a great many purchases start with a conversation rather than a viewing, and there is a reasonable middle ground between driving three hours on faith and not buying at all.

Ask for photographs of the specific things that matter rather than more general shots: the rating label, the serial number, the underside, the wear points, and whatever the known failure mode of that item is. Ask for a short video of it running, which is difficult to fake and answers most questions about a machine. Ask direct questions with specific answers: how old, how many hours, what has been replaced, why it is being sold, and what is wrong with it.

A seller who answers those readily is usually a seller worth driving to. One who deflects, sends only flattering images, or is vague about history is telling you something, and the drive is the expensive part.

Selling well in a small market

A rural classifieds board has fewer buyers than a city one and more motivated ones, which changes the strategy. Precision beats reach: a listing that names the model, states the condition honestly, and says where it is will find the person who wants exactly that, and vagueness mostly attracts people who are browsing.

Price against what the item is worth to somebody who has to drive for it, and say whether the price is firm. Include the faults. Answer messages promptly, because in a thin market the first serious buyer is frequently the only one.

And mark it sold when it goes. It costs nothing, it saves other people a message, and in a community where the same names appear repeatedly, small courtesies compound.

Recognizing the patterns that fraud uses

Private-sale fraud is not creative. It repeats a small number of patterns, and knowing them removes nearly all of the risk.

The first is the item that does not exist: priced attractively, described in copied text, photographed with images taken from elsewhere, and available only if a deposit is sent today. A reverse image search on the photographs settles most of these in seconds.

The second is the buyer who overpays. An offer above asking, with a story that requires you to refund a difference, forward money to a shipper, or accept a payment method you did not choose, is the same scam it has always been.

The third is the urgent story: a deployment, a bereavement, a house move, anything that explains why the seller cannot meet, cannot take a call, and needs it settled quickly. Genuine urgency exists and it does not usually require you to abandon every ordinary precaution.

The fourth is the push to leave the platform immediately, before there is any account history or trace of the conversation.

Against all four, the same defenses work: deal with people who have accounts, insist on seeing the item or a live video of it, meet in person for anything substantial, use traceable payment, and never send money in advance to somebody you cannot verify. If a deal feels rushed, that is usually the design rather than the circumstance.

Where the rest of the site fits

For what equipment is worth, the spec tables list manufacturer figures normalized so different sizes can be compared, and the price index tracks what things cost new, which is the reference point a used price should be measured against.

For whether you need the thing at all, the calculators size systems from your own numbers and the planner does the whole design at once, which regularly saves people from buying a component that does not fit the rest of the system. The free course covers the decisions in the order they arrive.

And for the questions that come before a purchase, the forum has a board for every subject here, each with a topic guide and the site's own material on it.