Quick answer: LED string lights are one of the lowest-draw things you can plug into a power station — typically just 5 to 20 watts for a full strand, sometimes less. Almost any power station can run them all night and barely notice. The real decision isn’t capacity, it’s what else you want to power alongside the lights, since the lights themselves are never the constraint.
If string lights are the main thing you’re trying to power, you’re in the easiest possible category of power station shopping. This guide is less about finding a unit «powerful enough» for the job — nearly all of them are — and more about picking one that fits your broader camp setup and doesn’t leave you paying for capacity you’ll never touch.
How Much Power Do String Lights Actually Use?
LED string lights are dramatically more efficient than older incandescent versions, and the numbers back that up clearly:
| Light Type | Typical Power Draw |
|---|---|
| LED string lights (per bulb) | 0.05–0.2W |
| Full LED strand (50–100 bulbs) | 5–20W total |
| USB-powered LED camp lights (per strand) | 2–10W |
| Solar-rechargeable string lights | 0W from power station (self-charging) |
| Older incandescent string lights (for comparison) | 100W+ for the same length |
A full string of 100 LED bulbs commonly draws somewhere in the 5–20 watt range total — depending on bulb type and brightness — which is less than a single phone charger. Run off even a small power station, that’s easily 50+ hours of continuous runtime from a modest few-hundred-watt-hour battery.
The practical upshot: string lights alone will never be the reason you need a bigger power station. If capacity feels like a real consideration for your setup, it’s almost certainly because of something else you’re running alongside the lights.
So What Actually Matters?
Since capacity isn’t the constraint, focus on these instead:
1. Enough Ports for Your Full Ambiance Setup
If you’re running string lights alongside a lantern, a speaker, and maybe a fan or a few phone chargers, port count and type matter more than raw wattage. Look for a mix of AC outlets and USB ports (both USB-A and USB-C) so you’re not juggling adapters for a USB-only light strand plugged into an AC-outlet-heavy unit.
2. What Else You’re Actually Powering
This is the real sizing question. String lights plus:
- Phone charging and a speaker: a compact 200–300Wh unit is genuinely enough for a multi-day trip.
- A camp fridge running alongside the lights: now you’re sizing around the fridge, not the lights — look at our [fridge-specific sizing guide] for that math.
- A full «glamping» setup (lights, a fan, a projector, charging several devices): a mid-size 500–800Wh unit gives comfortable headroom without needing anything close to a home-backup-sized station.
3. A Quiet, Unobtrusive Unit
If the goal is ambiance — a relaxed evening, string lights over a picnic table or awning — a power station with an audible cooling fan running under load works against the vibe you’re going for. For a light load like string lights plus charging, most units will run silent or nearly silent anyway, but it’s worth checking noise ratings if you’re pairing it with anything higher-draw.
4. Cable Length and Placement
This matters more for ambiance lighting than for almost any other camping power need, simply because where the lights need to run (around an awning, along a fence line, strung between trees) often doesn’t match up neatly with where the power station is sitting. A few extra feet of USB extension cable or a longer AC cord solves this cheaply — worth having on hand rather than being limited by exactly where the unit sits.
5. Solar Isn’t Really Necessary Just for Lights
Because the draw is so low, a small power station can run string lights for days on a single charge without needing solar input at all. Solar becomes worth prioritizing only if you’re also running higher-draw gear on the same trip, or you’re out for long enough that even a low overall draw adds up.
A Genuinely Simple Sizing Guide
Just string lights, for an evening or a weekend: Any power station works. Even the smallest units on the market handle this with enormous headroom to spare — this is really a «pick whatever fits your budget and other needs» situation, not a capacity decision.
String lights plus phone/device charging, multi-day trip: A compact 200–300Wh unit comfortably covers both for several days without recharging.
String lights as part of a broader camp ambiance setup (lantern, speaker, fan, maybe a small projector for movie nights): 400–600Wh gives you real headroom across everything running at once, still well short of needing a «camping workhorse» tier unit.
String lights alongside a fridge or higher-draw appliance: Size around whatever that other appliance needs — the lights themselves will barely register against that number.
A Few Practical Tips
- Use LED, not incandescent, string lights if you have a choice — the power difference is dramatic (5–20W vs. 100W+ for a comparable strand), and there’s no ambiance trade-off since LED string lights look just as warm and inviting with the right bulb color temperature.
- Consider solar-rechargeable string lights for a genuinely zero-draw option — some camp string lights charge via a small built-in solar panel during the day and need no power station connection at all.
- Daisy-chain carefully. Many string light products support connecting multiple strands end-to-end, but check the manufacturer’s maximum recommended combined wattage per connection point before linking several together.
- Don’t oversize «just in case.» Because string lights draw so little, it’s easy to talk yourself into a much bigger (and more expensive) power station than the trip actually calls for — size around your other gear, not the lights.
Frequently Asked Questions
How long will a power station run string lights?
Given typical draw of 5–20 watts for a full LED strand, even a small 200Wh power station can run string lights continuously for 10–40 hours, and a mid-size unit can easily stretch that to several days.
Do I need a big power station just for camp string lights?
No — this is one of the lowest-draw devices you’re likely to power at a campsite. Size your power station around whatever else you’re running (a fridge, a fan, device charging), not the lights themselves.
Can I run string lights and a phone charger off the same small power station?
Easily. Combined, these two loads typically stay under 50 watts total, well within what even compact, budget-friendly power stations comfortably support for days at a time.
Are solar-powered string lights a better option than plugging into a power station?
If ambiance lighting is genuinely your only need, solar-rechargeable string lights (with their own small built-in panel and battery) can eliminate the need to draw from your main power station at all — worth considering if you want to reserve every watt-hour of your power station for other gear.
The Bottom Line
String lights are about as easy a load as a power station will ever see — the real decision is what else is sharing the circuit with them. Pick a unit sized around your broader camp setup (a fridge, charging needs, other gear), prioritize port variety and quiet operation over raw capacity, and let the ambiance lighting ride along essentially for free.