Looking at these silicate batteries. 98 lbs each, and 8 batteries.
https://watts247.com/product/14-4kwh-12-24-48v-silicate-salt-battery-no-bms-required-no-thermal-protection-required-non-corrosive-non-explosive-built-for-the-military-6-to-15yr-lifespan/
I really dont see a way to make this...