Power Station for Camping

Quick answer: sizing a power station for camping

For lights, phone charging and a fan — the preset above — how much capacity you actually need depends mainly on how many days you're out and whether you're also running a cooler or other larger device; the runtime table and daily-consumption examples further down give you a concrete number rather than a generic recommendation. The two numbers that actually decide this are your watt-hours (Wh) — how much energy is stored — and your watts (W) — how fast your gear draws it. More Wh or lower-wattage gear both stretch a trip further.

The calculator above already reflects this: switch to "What capacity do I need?" mode and enter how many hours you want your specific devices to run, and it recommends a capacity directly rather than making you guess.

What can you run while camping?

Most camping setups fall into a few categories: lighting (LED lanterns or strip lights), charging (phones, and sometimes a laptop or camera battery), airflow (a fan on warm nights), connectivity (a Wi-Fi router or hotspot), and occasionally a mini fridge/cooler or a medical device like a CPAP machine. Short, occasional bursts from something like a coffee maker are common too, though these are far heavier loads and worth checking individually.

The preset above is deliberately light — it reflects the most universal camping combination. Add or remove devices in the calculator to match your actual gear list rather than relying on the default alone.

How much power do camping devices use?

These are this site's existing planning wattages — average running watts, not a spec for your exact device — used consistently across every calculator here:

• Phone charger: 10 W
• LED strip / camping lights: 20 W (a single LED light bulb is 10 W)
• Fan (standing/box): 50 W
• Wi-Fi router / hotspot: 10 W
• Laptop: 65 W — see the laptop power station guide for sizing detail
• CPAP machine: 40 W (without a heated humidifier — see the CPAP power station guide for device-specific detail and an important safety note)
• Mini fridge / cooler: 70 W (more below)
• TV: 100 W
• Coffee maker: 800 W — light in total energy since it only runs briefly, but a large instantaneous draw while it's on

How to calculate camping runtime

Runtime uses the same formula as every calculator on this site:

Usable Energy (Wh) = Power Station Capacity (Wh) × Efficiency

Runtime (hours) = Usable Energy (Wh) ÷ Total Power (W)

Worked example using the preset above (LED strip 20 W + two phone chargers at 10 W each + a fan at 50 W = 90 W combined): a 1000 Wh power station at the site's typical 85% efficiency gives 1000 × 0.85 = 850 Wh of usable energy. At 90 W, that's 850 ÷ 90 ≈ 9.44 hours, or 9h 27m of continuous, simultaneous use — matching the calculator above at its defaults.

The table below applies that same formula across this site's standard comparison capacities, for that 90 W combination. Treat these as continuous-use planning figures, not a guarantee — most camping use is intermittent rather than 24/7, which is exactly why the next section covers daily consumption instead of a single runtime number. Check your own combination with the Runtime Calculator once you know your exact gear.

• 500 Wh → 4h 43m
• 1000 Wh → 9h 27m
• 1500 Wh → 14h 10m
• 2000 Wh → 18h 53m
• 3000 Wh → 1d 4h 20m

Sizing for a weekend trip vs. a longer stay

For camping, "how many hours will this run continuously?" is usually the wrong question — you're not running everything nonstop. A more useful approach: estimate how many hours per day each device actually runs (lights for a few hours each evening, a fan overnight, phone charging for an hour), and think in terms of daily consumption rather than one runtime figure.

For example, running the 90 W preset combination for about 8 hours a day works out to 90 × 8 = 720 Wh of load per day. Using the site's size-calculator formula (Required Capacity = (Watts × Hours) ÷ Efficiency), that's 720 ÷ 0.85 ≈ 847 Wh, rounded up to 850 Wh to fully recover one day's use from empty — close to the 1000 Wh reference tier. Use the Size Calculator directly with your own hours-per-day estimate rather than doing this by hand.

• Weekend trip (2–3 nights), lights + charging + fan: a capacity toward the lower end of the reference tiers above is often enough, especially if you're not fully depleting it each day — use the daily-consumption approach above to check against your own trip.
• Week-long trip: either size up toward the higher reference tiers, or pair a mid-size power station with solar recharging (see below) so you're not sizing for the entire trip's energy on one charge.
• Car camping vs. backpacking: weight and bulk matter far more once you're carrying gear on foot — factor portability into the decision, not just capacity.

Camping power examples

A few combinations beyond the default preset, all using this site's existing device wattages and 85% efficiency, to show how adding gear changes the numbers:

• Lights + phone charging + fan (90 W, the default preset): 500 Wh → 4h 43m, 1000 Wh → 9h 27m, 2000 Wh → 18h 53m.
• Same combo + a mini fridge/cooler (90 + 70 = 160 W): 500 Wh → 2h 39m, 1000 Wh → 5h 19m, 2000 Wh → 10h 38m — roughly half the runtime, since the fridge alone draws nearly twice the rest of the setup combined.
• Same combo + a CPAP machine (90 + 40 = 130 W): 500 Wh → 3h 16m, 1000 Wh → 6h 32m, 2000 Wh → 13h 5m.
• Add your own exact combination in the calculator above — these are meant to show the pattern (every extra device shortens what the others get), not to replace checking your specific setup.

Camping fridge / cooler

A mini fridge or 12V/AC cooler is one of the larger loads in a typical camping setup — this site's planning figure is 70 W, an averaged running wattage since its compressor cycles on and off rather than drawing constantly (see the worked combination above for how much it shortens runtime alongside lights and charging). For dedicated sizing, wattage detail, and its own runtime table, see the Mini Fridge power station guide.

If you're debating a mini fridge versus a traditional ice cooler for a shorter trip, the electrical tradeoff is straightforward: an ice cooler needs no battery capacity at all but needs ice resupply, while a mini fridge draws continuously from your power station but never needs ice. For longer or hotter trips, pairing a mini fridge with solar recharging (next section) avoids that tradeoff.

Solar recharging while camping

Daytime sun at a campsite is a natural way to recharge without driving to an outlet. The same formula used on this site's dedicated solar page applies: Recharge Hours ≈ Battery Capacity (Wh) ÷ (Panel Watts × Sunlight Factor), where the sunlight factor (commonly 0.6–0.7 for a clear day with well-positioned panels) accounts for the panel rarely hitting its full rated output in real conditions.

See the Solar Generator Runtime Calculator for the full recharge-time table and worked examples — useful if you're planning a multi-day trip and want to stretch a mid-size power station further without carrying a larger, heavier one.

Continuous watts vs. surge watts for camping gear

Most camping loads — LED lights, phone chargers, a fan, a laptop — are simple electronic loads with no meaningful startup spike, so continuous wattage is really all that matters for them. The one common exception is a mini fridge or cooler: its compressor briefly draws above its running wattage when it kicks on, which this site's planning figure treats as roughly 3× the running wattage — the same surge figure used on the dedicated mini fridge page. Real surge varies by unit, so if you're running a mini fridge, check your power station's rated surge/peak output against it rather than assuming a fixed multiplier applies.

For everything else in a typical camping kit, the power station's continuous output rating comfortably covering your total watts is the only spec that matters — surge isn't a meaningful concern for lights, chargers, a fan, or a laptop.

How to reduce battery consumption while camping

A few low-effort habits stretch a given capacity noticeably further over a multi-day trip:

• Turn devices off rather than leaving them idle — a fan or light running unattended all day adds up over several days even at a modest wattage.
• Favor LED lighting (10–20 W) over any higher-draw lighting option, and dim or use fewer lights than you think you need.
• Charge phones and small electronics fully during the day rather than topping up repeatedly, and unplug once full — most chargers keep drawing a small trickle while connected.
• If a mini fridge is your biggest single load, consider whether an ice cooler is workable for a shorter trip instead, or pair the fridge with solar recharging for a longer one.
• Run a fan only when it's actually needed (hot nights) rather than continuously through a cooler trip.

Common camping sizing mistakes

A few recurring mistakes lead to buying the wrong power station for camping, or running out mid-trip:

• Sizing around a single continuous runtime figure instead of daily consumption — camping use is intermittent, not 24/7, so the daily-Wh approach above is usually more realistic.
• Ignoring efficiency loss — the 85% default used here means usable energy is always somewhat less than the rated Wh capacity, not equal to it.
• Forgetting that devices add together — a mini fridge or CPAP machine added to the base preset roughly doubles the total load, as shown in the examples above, not a minor addition.
• Focusing only on Wh capacity and ignoring the power station's continuous output rating and, for a mini fridge, its surge rating — plenty of stored energy doesn't help if the inverter can't deliver the wattage (or startup surge) your gear needs.
• Assuming trip length scales linearly without a recharge plan — a longer trip either needs more capacity upfront or a way to recharge (solar, a vehicle) partway through.