Battery Chemistry: Look for LiFePO4 (Lithium Iron Phosphate) batteries.
Capacity (Watt-Hours): This tells you how long the station can run your devices.
Portability & Features: Consider the weight and the types of ports. Many modern units include USB-C Power Delivery (PD) for fast-charging modern laptops and have built-in handles for easy transport.
Check your device requirements: Add up the wattage of all the devices you plan to use at the same time to ensure it stays under 300W.
Surge Power: Some devices, like small fans or mini-fridges, need extra power to start. Many of these stations offer a "peak" or "surge" power rating (often 600W) to handle these brief startup spikes.
Charging: Most units can be charged via a wall outlet, car charger, or solar panel (sold separately), giving you flexibility when you are off grid.