Qcells is rolling out its next-gen resi energy storage system called Q.HOME CORE in the US this week at RE+. It integrates a solar inverter (Q.VOLT) with a modular, scalable battery system (Q.SAVE) and backup interface (Q.HOME Hub). It has a 10-year product warranty on all components, integrated PLC rapid shutdown, four power class options, and stackable capacity ranging from 10-20 kWh.