[slg]

There is also the roughly $1k in costs for the solar and battery hardware even if we consider the iPhone itself free since it is so old.

[HenryBemis]

I was just checking the combo he is using [0] (River 2 Pro + 220W solar generator) and it's currently at USD 619. In the post, the author sums it at USD 780. I assume price dropped because of newer models, etc.

[0]: https://us.ecoflow.com/products/river-2-pro-portable-power-s...

[slg]

There were also $280 of other vague miscellaneous costs listed among the initial investments that I was including as part of that "roughly $1k"