I have been researching portable chargers for our upcoming trip, assuming that would be smarter than using these fuel rods. But until now I had never taken the time to actually read about the service. Yes, I could get one cheaper, and maybe even better from
amazon. But I had no idea you could drop them off and have a "new" fully charged fuel rod dispensed to you. I think we'll definitely go with this option as it eliminated the need to have to recharge at night or in the parks. And I'm assuming you can keep it indefinitely and continue using the service the next year or the year after.