How to Power Your Craft Fair Booth: Electricity, Battery Packs, and Generators for Vendors in 2026

Most craft fairs don't give you an outlet. Indoor shows sometimes offer electricity for a fee and a limited number of spots, but the majority of outdoor markets expect you to bring your own power or go without. So the honest answer to "how do I power my booth?" is this: for lights, a phone, and a card reader, a fully charged portable power station (a rechargeable battery pack, sometimes called a solar generator) runs a whole show quietly and is allowed almost everywhere. A gas generator only comes out when the venue permits it and you need heavy wattage.

The trap that catches new vendors is assuming there'll be a plug, showing up with a lamp and a card reader, and finding nothing to plug into. Or worse, hauling a loud gas generator to an indoor hall that bans them and getting shut down before the doors open. This guide sorts out what actually needs power at a booth, how to size a battery so it lasts all day, when a generator is worth the hassle, and how to keep the one device that can't die, your card reader, alive through every sale.

What You'll Learn

• Do Craft Fairs Have Electricity?
• What Actually Needs Power at a Craft Fair Booth
• How to Size a Battery for Your Booth
• Portable Power Stations: The Go-To Solution
• Can You Use a Generator at a Craft Fair?
• Powering Your Lights Without an Outlet
• Keeping Your Phone and Card Reader Alive All Day
• Extension Cords, Power Strips, and Booth Safety
• Your Booth Power Checklist
• Frequently Asked Questions

Do Craft Fairs Have Electricity?

Sometimes, but you can't count on it. Indoor shows held in convention centers, gyms, churches, and school cafeterias often have outlets along the walls, and many will sell you access to one when you apply, usually for an added fee and only to a limited number of booths. The catch is that the plug is rarely where your table is. You might be forty feet from the nearest outlet, which means a long run of cord across a busy aisle. Outdoor markets, fairs on grass, and street festivals usually offer no power at all unless the organizer specifically advertises it.

The rule that saves you: never assume. Read the vendor packet, and if it doesn't say, email the organizer before the show and ask two things. Is electricity available at my booth, and is there a fee or form to request it? If power is offered, request it early, because the powered spots are limited and go fast. When you do get an outlet, plan to bring your own outdoor-rated extension cord long enough to reach it, plus a power strip, since organizers almost never supply either. An electricity fee is one of the line items worth checking when you weigh a show, the same way you'd read the rest of the craft fair booth fees before you commit.

Whether a show has power often tracks with whether it's indoor or outdoor, so factor that in when you choose which fairs to apply to. An evening or holiday market where lit booths matter is worth paying for power, or bringing your own, in a way a bright daytime summer show isn't.

What Actually Needs Power at a Craft Fair Booth

Before you buy anything, add up what you're actually running, because the answer changes everything about how much battery you need. Booth power splits into two very different groups, and telling them apart is the single most important thing on this page.

The first group is low-draw electronics: LED string lights, a phone, a tablet running your point-of-sale, a card reader, a small clip-on fan, a portable speaker, maybe a receipt printer. These sip power. You can run all of them off a modest battery for an entire show without breaking a sweat.

The second group is high-draw heat: a wax warmer or mini crockpot for a scent demo, a small space heater for a cold day, a heat press, a hot glue gun for on-the-spot repairs, an electric kettle. Anything that makes heat is a power hog, often pulling ten to fifty times what your lights do. One space heater can flatten a battery that would otherwise run your lights and devices all weekend. If your booth needs real heat, that's exactly the situation where a generator or a venue outlet starts to make sense, and where a battery alone usually won't cut it.

So make a quick list of every powered thing you plan to bring and sort it into those two piles. Most makers who just want lights and a working card reader live entirely in the first pile, and their power problem is small and cheap to solve. If you're running an appliance for live demos, you're in the second pile and need to plan around real wattage.

How to Size a Battery for Your Booth

You don't need an engineering degree, just one bit of arithmetic. Batteries are rated in watt-hours (Wh), which is simply how many watts they can deliver for how many hours. To size one, add up the watts each device pulls, multiply by the hours you'll run it, and add a comfortable margin on top.

Here's the method in practice. Say your LED string lights draw around 10 to 20 watts total, and you'll run them for a six-hour show. That's roughly 60 to 120 watt-hours. Add a tablet, phone, and card reader topping up through the day, and you might add another 50 to 100 watt-hours. So your real need is somewhere near 150 to 220 watt-hours, and you'd want a battery comfortably above that to account for cold weather, aging cells, and the small losses every battery has. A power station in the 250 to 500 watt-hour range covers a typical lights-and-devices booth for a full day with room to spare.

Now watch what heat does to that math. A 500-watt mini space heater run for even two hours is 1,000 watt-hours by itself, more than double everything else combined, and it would drain most portable batteries fast. That's the whole reason heat appliances change the plan. Treat the numbers here as a way to do your own estimate, not fixed specs, since every light string and device is rated differently. Check the wattage printed on your own gear, run the multiplication, and buy more capacity than the bare minimum. Running out of power at 2 p.m. on a Saturday is a lot more expensive than a slightly bigger battery.

Portable Power Stations: The Go-To Solution

For the vast majority of vendors, a portable power station is the answer. These are rechargeable lithium battery packs with regular household AC outlets, USB ports, and often a car-style socket built in. They're marketed as "solar generators" or "power stations," they make no noise, they produce no fumes, and because of that they're allowed indoors and out, at shows where a gas generator would get you shut down. You charge one fully from a wall outlet at home the night before, carry it in, and run your booth off it silently all day.

A few features are worth looking for. Watt-hour capacity is the headline number, and the sizing math above tells you what you need. Make sure it has at least one or two real AC outlets if you're plugging in lights or a POS charger, plus USB ports for phones and tablets. Look for the term "pure sine wave," which means clean power that's safe for sensitive electronics like a tablet or card reader. And check how you recharge it: wall charging overnight is standard, while a solar panel is a nice backup for multi-day outdoor shows where you can't get to an outlet between days.

The workflow is simple and reliable. Charge to full the night before every show, top it off between days at a multi-day event if you can, and keep it out of the rain under your table. A mid-size station has become as standard a piece of booth gear as a canopy and a table, and for good reason: it solves the power problem everywhere, quietly, with nothing to plug into.

Can You Use a Generator at a Craft Fair?

Sometimes, but this is where the rules bite, so ask first. Gas generators are loud, they smell, and they burn fuel, which is why most indoor venues ban them outright and many outdoor markets restrict or forbid them too. Fire marshals get involved once fuel is on site, and an organizer can shut you down on the spot for running one that isn't allowed. Never assume a generator is fine. Confirm in writing with the organizer, and if you'll run one, ask about noise limits, placement, and any fire rules before the show, the same way you'd check the fine print in a vendor contract.

If a generator is genuinely allowed and you need the wattage, an inverter generator is the type to get. Inverter models are far quieter than a contractor's open-frame generator and produce cleaner power that won't harm electronics, which matters if you're charging a tablet or running a card reader off it. They still make noise and fumes, so be a good neighbor: place it downwind and away from your customers and the booth next door, keep it clear of tent walls, and never run it in an enclosed space. Fuel safety matters too. Store gas in an approved container away from heat, let the unit cool before refueling, and secure it so it can't walk off while you're busy with a customer.

Honestly, for most makers a generator is more hassle than it's worth. The noise annoys your neighbors, the fumes drift into your booth, and the fuel is one more thing to haul and babysit. The vendors who really benefit are the ones running heat: on-site food cooking, a heat press, or serious lighting loads. If all you need is lights and a card reader, skip the generator and let a silent battery do the job. Being a considerate neighbor about noise and fumes is part of good craft fair etiquette, and a droning generator two feet from someone's table is a fast way to sour a whole row of vendors.

Powering Your Lights Without an Outlet

Lighting is the most common reason vendors want power, and the good news is it's the easiest load to cover. You've got two paths. The first is battery-operated lighting made for exactly this: rechargeable LED puck lights, clip-on booth lights with built-in batteries, and USB string lights that run for hours off a small power bank. These need no power station at all, just a charge the night before, and they're perfect for a booth that only wants a warm glow over the products.

The second path is running standard plug-in LED lights off a portable power station, which gives you brighter, more consistent light and lets you power devices from the same battery. Either way, stick with LED, because LED lighting draws a tiny fraction of what old-style bulbs pull, which is what makes running lights off a battery practical in the first place. For a deeper look at fixtures, placement, and color temperature, our guide to craft fair lighting ideas covers how to actually light a booth so it sells, and lit signage that draws the eye from down the aisle runs on the same low-draw LED principle. Good lighting is one of the highest-return upgrades at an evening or holiday market, and now you know how to power it anywhere.

Keeping Your Phone and Card Reader Alive All Day

This is the load you cannot afford to lose. A dead card reader or a dead phone in the middle of a busy afternoon means turning away sales, since most shoppers now expect to pay by card or tap and won't hunt for an ATM. Your phone is often running your point-of-sale, your card reader, and your day all at once, and a full day of screen-on use plus card processing drains a battery long before the show ends.

The fix is cheap and simple. Carry a couple of fully charged power banks and the right cables, and top your phone up in the quiet stretches rather than waiting until it's at 5 percent. If you run a power station for lights, plug your phone and reader into that between customers. Charge every device to full the night before along with your batteries, and pack the chargers on your vendor packing list so they're never the thing you forget. It's smart to know your payment app's offline mode too, and to keep a backup way to take payment in case your signal or your battery lets you down. The right apps and tools make this easier, but none of them work on a dead phone, so power comes first.

Extension Cords, Power Strips, and Booth Safety

When you do score an outlet, or run a generator or big battery, wire your booth safely, because a sloppy setup is a trip hazard and a liability. Use an outdoor-rated extension cord, the heavier gauge kind, long enough to reach the outlet without stringing two cords together, since daisy-chaining cords is a common way to overheat them. Bring a power strip so one cord feeds your lights, POS charger, and anything else from a single tidy spot.

Then manage the cord run. Any cord crossing an aisle or walkway needs to be taped down flat with gaffer tape or covered with a cord ramp, so a shopper doesn't catch a toe and go down in your booth. Keep connections up off wet grass, and in any damp or outdoor setting use a cord or outlet with GFCI protection, which cuts power instantly if it senses a fault. Weather is the other hazard: rain and electricity don't mix, so keep power stations, strips, and connections under cover and off the ground, part of the same outdoor weather prep that protects the rest of your booth. Tidy, taped-down, weatherproofed power isn't just safer, it looks more professional too, which is the whole point of a clean booth setup.

Your Booth Power Checklist

Pack this and you'll never be caught without power at a show:

• Portable power station, charged to full the night before (sized from your watt-hour math)
• Two power banks for your phone and card reader, also fully charged
• All charging cables for your phone, tablet, and reader
• LED lights (battery-operated or plug-in), never old-style bulbs
• Outdoor-rated extension cord, long enough to reach a far outlet
• Power strip with its own surge protection
• Gaffer tape or a cord cover to tape down any cord crossing a walkway
• A backup payment method in case a device dies mid-sale
• The organizer's answer, in writing, on whether power and generators are allowed

Run through it the night before every event, right alongside the rest of your gear guide and emergency kit, and booth power becomes a non-issue.

Frequently Asked Questions

Do craft fairs provide electricity?

Some do, most don't. Indoor shows often sell access to an outlet for an added fee, but spots are limited and the plug may be far from your table. Outdoor markets usually offer no power at all. Always read the vendor packet and email the organizer to confirm before you count on an outlet.

How do vendors power their booth without an outlet?

Most use a portable power station, a rechargeable lithium battery pack with AC and USB outlets that runs lights, a phone, a tablet, and a card reader silently for a full day. You charge it fully at home the night before. Small power banks and battery-operated LED lights cover an even lighter setup.

What size battery do I need for craft fair lights?

Add up the watts your gear draws, multiply by the hours you'll run it, and add a margin. LED lights plus device charging for a typical six-hour show land around 150 to 220 watt-hours, so a power station in the 250 to 500 watt-hour range is comfortable. Anything that makes heat needs far more.

Can you use a generator at a craft fair?

Only if the organizer allows it, and many don't. Gas generators are loud and produce fumes, so most indoor venues ban them and many outdoor markets restrict them. If one is permitted and you need the wattage, use a quiet inverter generator, place it away from customers and neighbors, and follow all fuel and fire rules.

How do I keep my card reader charged all day?

Charge your phone, reader, and any power banks to full the night before, and top up in slow stretches instead of waiting until they're nearly dead. Carry two power banks and the right cables, plug devices into your power station between customers, and learn your payment app's offline mode as a backup.

Power Your Booth, Then Go Find Your Next Show

Powering a craft booth comes down to a few clear moves: never assume the venue has an outlet, sort your gear into low-draw electronics and power-hungry heat, size a battery from real watt-hour math, and lean on a silent portable power station for almost everything. Save the generator for the rare booth that needs heavy wattage and a venue that allows it, keep your phone and card reader charged with backups, and wire any cords safely. Do that and your lights stay on, your sales go through, and your booth looks polished from the first customer to the last.

With your power sorted, the next step is finding the right events to bring it to. Browse craft fairs and markets near you on TheCraftMap, and pair this guide with our advice on lighting your booth and accepting payments so every part of your setup is ready to sell.