I think those solar+battery ones are a top-up solution, or enough to make an emergency call. I'm thinking of no-battery panels, like this camping-gear-priced o

I think those solar+battery ones are a top-up solution, or enough to make an emergency call. I'm thinking of no-battery panels, like this camping-gear-priced one: 7W for $150 (AUD) https://goalzero.com.au/shop/solar-panels/nomad-7-plus/ https://goalzero.com.au/shop/solar-panels/nomad-7-plus/ eBay prices are $15-25, much cheaper than last time - maybe it's trickling down already? https://www.ebay.com.au/p/10W%2D5V%2DPortable%2DSolar%2DPower%2DPanel%2DCharger%2DFor%2DSamsung%2DIPhone%2DTablet%2DPad/3011208927 https://www.ebay.com.au/p/10W%2D5V%2DPortable%2DSolar%2DPowe... "solar usb charger" may be better search terms: https://www.amazon.com/s?k=solar+usb+charger https://www.amazon.com/s?k=solar+usb+charger