To be sure (having no first-hand experience myself...), this thread was intended to help those in pursuit of more information on SiO2’s...
Note, “Choosing the correct battery for the application and the correct charge current is critical to maintaining the batteries chemistry and capacity”....
As for me :) when considering the vagaries of solar charging at a narrow specified amperage (or voltage ?) would seem problematic, thus not a very good fit - JMHO
https://4127787.app.netsuite.com/core/media/media.nl?id=152401&c=4127787&h=f1482ffb7fc7d03eb9da&_xt=.pdf&chrole=17&promocode=&promocodeaction=overwrite&sj=KlojnkbcArdN8ZTyvaLslA82H%3B1561888626%3B666000000
However, I make no arguments as to their (as purported) uber suitability in cold weather applications - likely a good fit !!
3 tons, in the High NV Desert...