Shelly says its new and updated Wave devices are built around the Z-Wave Long Range (Z-Wave LR) specification, and will be available in the US in the first half of 2025. The benefits of Z-Wave LR ...
If all you want to power is the router (let's assume 12v 2a device), then the 1500va 700w ups I have should power it ... so is basically no give slotting in the new battery. My CP1500 is pure sine ...