Connecting it to plumbing is a big issue and will limit it’s usefulness. Also, energy density doesn’t matter for this use case - it’s just sitting outside your

Connecting it to plumbing is a big issue and will limit it’s usefulness. Also, energy density doesn’t matter for this use case - it’s just sitting outside your home or garage and there is enough space. They should make this into a portable unit and sell it as a UPS. Higher storage density is useful here.