Base Power launches Core, a 39.2 kWh home battery with up to 36 hours of backup – and raises $1 billion to roll it out to more US homes.

Austin, Texas-based Base Power today said it has raised USD 1 billion (EUR 868m) in Series D financing, giving it a post-money valuation of USD 13 billion.

A home-battery company that did not exist three years ago is now worth $13bn. Base Power has raised $1bn in a Series D and launched its own battery, Base Core. The bet behind the…