Compared to this, 15kwh for under 5k https://midlandbatteries.com/products/dyness-15kwh-dl5-0c-battery-bank https://midlandbatteries.com/products/dyness-15kwh-d

Compared to this, 15kwh for under 5k https://midlandbatteries.com/products/dyness-15kwh-dl5-0c-battery-bank https://midlandbatteries.com/products/dyness-15kwh-dl5-0c-ba... Needs an inverter though, but if you have solar you already should be ok