Any all in one solution, ie Anker, Bluetooth, Delta is going to have the most expensive $/kWh price. Standalone batteries will be in the low $200/kwh and DIY i

Any all in one solution, ie Anker, Bluetooth, Delta is going to have the most expensive $/kWh price. Standalone batteries will be in the low $200/kwh and DIY in the low $100s.