Ok I know it isn’t solarpunk but also it is very solarpunk.
Built around a compact, portable architecture, the system supports a wide range of battlefield applications, from powering mobile command posts and satellite communications to sustaining sensor networks.
It can also provide emergency power for lighting, pumps, and other mission systems, helping operations continue even in disrupted environments.
I get targeted advertisements for UPSes that advertise “pure sine wave technology” and remember back in the early aughts my step mom had a basic plug in type that actually had lead acid batteries. So not very new or novel. I had a used 2000 something available that had a dc/ac inverter built in from the factory even.