I am curious what battery technology they will use. I have recently found out about Ambri's liquid metal battery (https://ambri.com https://ambri.com) which got

I am curious what battery technology they will use. I have recently found out about Ambri's liquid metal battery (https://ambri.com https://ambri.com) which got me excited about grid level batteries. If this technology pans out it could be the missing ingredient for making renewables feasible.