alt Hacker Newshttps://signaturesolar.com/all-products/batteries/?_bc_fsnf=...
Server rack style, 1200 USD for 4.8 kWh = $250/kWh. Wall-mount, 14.3 kWh for $3.3k = $231/kWh.
These guys seem to be the biggest DIY solar equipment supplier in the US.
Afaik you can get batteries from China (AliExpress) for quite a bit cheaper too.
Yep I bought several Huawei 4.8 kWh batteries for about $450 each for an off-grid house in SE Asia. They've been working great a year later, running AC throughout the night.