Portable Power Stations

Watt-hours (Wh) tells you how much energy the unit stores. A 1,000Wh station can theoretically run a 100W device for 10 hours — though real-world efficiency losses mean closer to 8–9 hours.

As a rough guide: 300–500Wh suits weekend camping with phones, lights and a small fan. 500–1,000Wh covers a 3–5 day trip with a 12V fridge and laptop. 1,000–2,000Wh handles extended off-grid stays or caravan use. 2,000Wh+ is suited to tiny homes, emergency home backup or powering power tools.

The inverter converts stored DC power to 240V AC for standard appliances. Continuous output (e.g. 1,000W) is what the unit can sustain indefinitely. Surge power (e.g. 2,000W) is the brief peak it can handle when a motor starts — important for fridges, air compressors and power tools.

Always check the surge rating of your appliances, not just their running wattage. A fridge compressor starting up can draw 3–5× its running wattage for a fraction of a second. If the station's surge rating is too low, it will shut down or trip.

Most portable power stations accept solar input via an MC4 or XT60 connector. The maximum solar input (in watts) determines how quickly you can recharge from panels. A 200W solar input on a 1,000Wh unit means roughly 5–6 hours of good sunlight to fully recharge.

Look for MPPT (Maximum Power Point Tracking) charge controllers rather than PWM — MPPT extracts up to 30% more energy from your panels, especially in partial shade or early morning light.

Lithium Iron Phosphate (LiFePO4 or LFP) batteries offer 2,000–3,500+ charge cycles, excellent thermal stability and a longer usable lifespan. They are the preferred choice for regular camping and off-grid use.

Nickel Manganese Cobalt (NMC) batteries pack more energy into a smaller, lighter package — useful when weight is critical — but typically offer fewer cycles (500–1,000) and are more sensitive to heat. Check the cycle count and operating temperature range before buying.

Recharge time depends on the input wattage and battery capacity. Many modern units support fast AC charging at 1,000–2,000W, cutting recharge time to 1–2 hours from a wall outlet.

Some stations support simultaneous charging from AC wall power and solar panels at the same time — useful when you want to top up quickly before heading off-grid. Check whether the unit supports this before assuming it does.

Portable power stations range from around 3kg for a 300Wh unit to 30kg+ for a 3,000Wh system. Consider how you will move it — a 15kg unit is manageable for a car camper but impractical for a hiker.

Many larger units include a trolley handle and wheels. If you plan to move the unit frequently, check the handle design and whether it can be carried by two people comfortably.

Before buying, list every appliance you intend to run and add up their wattages. Include the surge draw for anything with a motor. Common loads: 12V fridge (40–80W), laptop (45–100W), CPAP (30–60W), LED lighting (10–30W), electric blanket (60–150W), induction cooktop (1,200–2,000W).

High-draw appliances like induction cooktops, air conditioners and kettles consume capacity quickly. A 1,000Wh station running a 1,200W induction cooktop will be flat in under an hour. For cooking, a gas stove alongside a power station is a practical combination.