Whilst I haven't used their solar products, I do have a v1 PowerMonkey and love it. Their solargorilla product seems to do what you need:

https://powertraveller.com/iwantsome/primatepower/solargorilla/

Any chance of maybe having a look at that? I'd love to get something like that running.

I believe you meant "solution in search of a problem."

Eating before scuba diving on the other hand is just unpleasant - funny tasting burps in the regulator, weird acid reflux from being prone and face down etc.