Whether a portable power station is worth it depends on your needs and usage. Some considerations:
Cost: Portable power stations can range in price from around $100 for smaller 500-1000Wh units up to $1000-2000 for larger high capacity stations. So the initial investment can be significant.
Usage: If you often go camping, travel a lot, work at remote sites, or experience frequent power outages, a power station may be very useful. If you mainly use electricity at home, it may see limited use.
Device Compatibility: Check that the power station can provide the correct voltage and power for all the devices you want to run from it. Larger stations tend to support more devices.
Capacity: Bigger, higher capacity stations can run devices for longer but cost more. Consider how long you typically need backup power to determine the best capacity.
Maintenance: Power stations require periodic charging, discharging and care to maintain their maximum capacity over time. This adds some maintenance.
Safety: Only buy from a reputable brand and follow all safety guidelines to minimize risks. Lithium-ion batteries require proper care.
Alternatives: You could rely on battery backups, small solar generators or disposable batteries for occasional needs instead of a larger station.
Overall, if you will get frequent or essential use out of a power station for purposes like backup power, off-grid living, remote work or frequent travel/camping, then it's likely worth the initial expense for the convenience and peace of mind. But if you only need occasional power when away from outlets, cheaper alternatives may be sufficient.