Making things is not always all that expensive if you don’t have to pay a lot for labor. 18650 batteries can be produced for $0.75/cell at the absolute cheapest

Making things is not always all that expensive if you don’t have to pay a lot for labor. 18650 batteries can be produced for $0.75/cell at the absolute cheapest. A 48kWh pack has about 5000 18650s, so thats ~$3750. The rest of it probably costs $5000 so they still have a decent margin.