> except in a miraculous future scenario where we invent batteries that are good for 20,000 deep cycles with <5% degradation over 20+ years That future may not

> except in a miraculous future scenario where we invent batteries that are good for 20,000 deep cycles with <5% degradation over 20+ years That future may not be so miraculous since various flow and liquid salt batteries supposedly offer such properties. But you probably won't see them in homes since they only work economically at larger scales.