Lithium iron phosphate batteries at the 20kWh capacity level have emerged as a mainstream choice for residential storage due to their high safety, extended lifespan, and strong adaptability.
[pdf] Lithium iron phosphate batteries at the 20kWh capacity level have emerged as a mainstream choice for residential storage due to their high safety, extended lifespan, and strong adaptability.
[pdf] $280 - $580 per kWh (installed cost), though of course this will vary from region to region depending on economic levels. For large containerized systems (e.g., 100 kWh or more), the cost can drop to $180 - $300 per kWh.
[pdf] 
