$2,300 per unit through distributors Diysolarforum. B2B/Wholesale: Ranges from $1,080 to $1,800 depending on specific capacity (15kwh–17. Our full range of lithium ion solar battery products is designed for households, businesses, and industrial users who want dependable storage and long service life. It covers residential and commercial energy storage solutions across global markets, including Australia, Nigeria, and Europe. Long life guaranteed with deep cycles. Battery has built-in BMS that monitors its operation and prevents the battery from operating outside designed limitations. 4 kWh usable capacity, robust build-quality, and advanced features suitable for medium-sized households facing rising electricity costs.