CALCULATOR
Camping Solar Ready

Camping Power Calculator — What Size Do You Need?

Figure out exactly what size portable power station you need for your next camping trip. Select your camping style, trip duration, number of people, and gear, and get personalized recommendations including solar panel sizing and power-saving tips.

Camping Styles
4 Types
Gear Items
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Safety Buffer
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Solar Rec
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Camping Power Calculator

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Total Watt-Hours Needed
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Solar Rec (W)

Recommendation

Select your camping gear to see personalized power station recommendations.

Camping Gear Wattage Reference Chart

Not sure how much power your camping gear uses? Here is a comprehensive reference of common camping items with their typical wattage. Use these numbers to plan your power budget.

ItemWattsTypical UseDaily Wh Est.
Headlamp (LED)1–3W2–4 hrs/day2–12 Wh
LED Lantern3–10W4–6 hrs/day12–60 Wh
String Lights (LED)10–20W4–6 hrs/day40–120 Wh
Phone Charging5–15W1–2 hrs/day5–30 Wh
Tablet / e-Reader10–20W1–2 hrs/day10–40 Wh
Laptop30–80W2–4 hrs/day60–320 Wh
Camera Batteries15–30W1–2 hrs/day15–60 Wh
Drone Battery Charger50–100W1–2 hrs/day50–200 Wh
Portable Speaker5–15W4–6 hrs/day20–90 Wh
12V Fridge / Cooler40–80W avg24 hrs/day960–1,920 Wh
Thermoelectric Cooler30–60W12–24 hrs/day360–1,440 Wh
CPAP Machine20–60W8 hrs/night160–480 Wh
Electric Blanket (12V)50–100W4–6 hrs/night200–600 Wh
Camping Fan5–20W6–12 hrs/day30–240 Wh
Portable Projector80–150W2–3 hrs/night160–450 Wh
Portable Blender200–500W10–20 min/day33–167 Wh
Electric Kettle800–1500W10–20 min/day133–500 Wh
Microwave (Small)600–1000W10–15 min/day100–250 Wh
Coffee Maker (Pod)1000–1500W10–15 min/day167–375 Wh
Electric Grill1200–1800W30–60 min/day600–1,800 Wh
Air Mattress Pump80–150W5–10 min7–25 Wh
Wi-Fi Hotspot5–15W8–12 hrs/day40–180 Wh
GPS / Navigation2–10W4–8 hrs/day8–80 Wh
Portable AC (Small)500–1000W4–6 hrs/day2,000–6,000 Wh
Space Heater750–1500W2–4 hrs/day1,500–6,000 Wh

Quick rule of thumb: If you are only charging phones and running lights, you need very little power (200–500Wh for a weekend). Add a 12V fridge and you jump to 1000–2000Wh+ because the fridge runs 24/7. A fridge is almost always the biggest power draw on a camping trip — decide early whether you want one, as it dictates the entire system size.

10 Tips for Saving Power While Camping

1

Use DC Instead of AC

Whenever possible, use 12V DC or USB instead of AC wall outlets. Skipping the inverter conversion saves 10–15% of energy. Many camping appliances come in 12V versions — fridges, fans, blankets, lights.

2

Pre-Cool Your Fridge at Home

Cool your fridge and all food/drinks at home before your trip. It takes much more power to cool warm items than to keep already-cold items cold. Add frozen water bottles to help maintain temperature.

3

Limit Fridge Door Openings

Every time you open the fridge, cold air escapes and the compressor has to run more. Know what you want before opening, close the door quickly, and consider a separate cooler for drinks that get opened often.

4

Switch Everything to LED

LED lights use 75–85% less power than incandescent or halogen. If you are still using old camping lights, upgrading to LED is the single easiest power-saving upgrade you can make.

5

Charge During Peak Sun Hours

If you have solar, do your heavy charging (laptops, camera batteries, drone batteries) between 10 AM and 3 PM when the sun is strongest. Use solar directly instead of cycling battery charge.

6

Use Propane for Cooking

Electric cooking appliances (kettles, grills, coffee makers) use a LOT of power. Stick with propane or butane for cooking and save your battery for things that really need electricity.

7

Use a Thermos for Hot Drinks

Instead of boiling water multiple times a day (huge power draw), boil once and keep it hot in a thermos. A good thermos keeps water hot for 12+ hours — enough for morning coffee and evening tea.

8

Enable ECO Mode

Turn on ECO mode on your power station. It automatically shuts down outputs when the load is very low, eliminating phantom drain from devices on standby. Just make sure to disable it for medical devices.

9

Dress for the Weather

Instead of using electric blankets and heaters, wear warm layers and use a good sleeping bag rated for the temperature. Heating is the single biggest power drain — avoid it with proper gear.

10

Keep Your Battery Warm (Cold Weather)

Lithium batteries lose significant capacity in cold weather (20–40% below freezing). Keep your power station inside your tent or insulated bag, or store it in a cooler with the fridge to maintain moderate temperature.

Bottom line: The most power-efficient camping setup is: LED everything + 12V fridge + solar panels + propane cooking. This combination lets you camp off-grid indefinitely with a modest 1000–2000Wh power station and 200–400W of solar. You do not need a massive battery if you reduce consumption and supplement with solar.

Frequently Asked Questions

Common questions about camping power and portable power stations.

What size power station do I need for camping?

The size you need depends on your camping style. Backpacking: 100–300Wh (small, lightweight, just phones and headlamps). Car camping weekend: 500–1000Wh (phones, lights, speaker, camera, laptop — no fridge). Car camping with fridge and CPAP: 1500–2000Wh minimum. RV / van life / long trips: 2000–4000Wh + 200–400W solar panels. Use our calculator above to add up your specific gear and trip duration for a personalized recommendation with a 20% safety buffer.

How do I calculate my camping power needs?

To calculate camping power needs: 1) List every device you will bring, 2) Find each device's wattage from the label, manual, or our reference chart, 3) Estimate how many hours per day you will use each device, 4) Multiply wattage × hours for each to get watt-hours (Wh) per day, 5) Sum all Wh for your daily total, 6) Multiply by number of trip days, 7) Add 20–30% safety buffer, and 8) Divide by 0.85 to account for inverter efficiency. The formula is: Total Wh = Σ (Device Watts × Hours/Day × Days) × 1.2 Safety Buffer ÷ 0.85 Efficiency.

Can a portable power station run a camping fridge?

Yes — a 12V portable camping fridge typically draws 40–80W average (the compressor cycles on and off, so average is much lower than the peak rating). For a 3-day trip with a 60W average fridge running 24/7, you need roughly 60W × 24h × 3 days = 4,320Wh theoretical, or about 3,000Wh real-world with efficiency losses. But that is just for the fridge alone. With 200–400W of solar panels, you can run a fridge indefinitely as long as you get enough sun. A 1000–2000Wh station plus 200W solar is the most popular fridge setup for weekend-to-week-long trips.

What camping gear uses the most power?

The biggest power draws for camping are: 12V fridge/cooler (40–80W average, 24/7 use — usually the biggest total), CPAP machine (20–60W, 8 hours/night), electric blanket (100–200W), portable AC (500–1000W), microwave/coffee maker (600–1500W, short use), and space heaters (750–1500W). Lights, phone charging, and speakers use very little by comparison. A fridge alone can be 50–70% of your total daily consumption — decide early whether you need one, as it dictates the entire system size and budget.

Should I get solar panels for camping?

Solar panels are worth it for trips longer than 2–3 days, or if you have high-draw items like a fridge that you want to run indefinitely. With 100–200W of panels and 4–6 hours of sun, you can add roughly 280–840Wh per day (at 70% real-world efficiency), significantly extending your trip or letting you run a fridge continuously. For weekend trips only (2–3 days), you may not need solar — just size the battery for your full trip. Foldable 100–200W portable panels are the most popular for car camping; small flexible panels work for backpacking.

How can I save power while camping?

Top camping power-saving tips: use LED lights (5–10W vs 60W+ incandescent), use DC instead of AC whenever possible, pre-cool your fridge at home before the trip, limit fridge door openings, charge devices during peak sun hours, use propane for cooking instead of electric, keep hot drinks in a thermos instead of re-boiling, turn on ECO mode on your power station, dress warmly instead of using electric heat, and keep batteries warm in cold weather. Even small savings add up to hours or days of extra runtime.

What is the difference between car camping and backpacking power needs?

Backpacking is all about weight and pack size — you want the smallest, lightest power bank possible (100–300Wh) for just phone charging, headlamps, and camera batteries. Weight of the battery matters more than cost. Car camping lets you bring much more capacity (500–2000Wh) for fridges, CPAP, laptops, projectors, and kitchen appliances. Weight matters much less when you are driving to the campsite. RV / van life is even heavier — you might need 2000–5000Wh with multiple solar panels for full off-grid living for extended periods.

How long will a 500Wh power station last camping?

A 500Wh power station lasts roughly: Light use (phones, lights, speaker, camera batteries) — 2–4 days. Medium use (add a laptop, drone charger) — 1–2 days. With a 12V fridge running 24/7 — less than 1 day. With 100W solar panels in good sun, you can extend indefinitely (adding ~350Wh per day). These are rough estimates — actual runtime depends on exactly what you power and for how long. Use our calculator above to get a personalized estimate based on your actual gear and trip plans.

Can I use a portable power station for glamping?

Absolutely — glamping is where portable power stations really shine. You can run string lights, a portable projector for movie nights, a mini fridge, a coffee maker, a Bluetooth speaker, and charge all your devices. The silent operation (no generator noise or fumes) is perfect for the peaceful glamping vibe. For a 2–3 day glamping trip with lights, projector, small fridge, and morning coffee, we recommend 1000–2000Wh of capacity. Add 200W of solar for longer stays. It is the upgrade that turns "camping" into "glamping."

What do I need for a 7-day camping trip?

For a 7-day trip, solar panels are practically essential unless you bring a massive (and expensive) battery. A good all-around setup is: 1500–2000Wh power station + 200–400W foldable solar panels. This gives you enough power for a 12V fridge, lights, phone/laptop charging, and occasional small appliances, as long as you get reasonable sun (4–6 hours per day). Without solar and a fridge, you would need 3000–5000Wh+ of battery for 7 days, which gets very heavy and expensive. Solar is the practical, cost-effective choice for trips longer than 3 days.