Renogy 51.2V 210Ah High-Capacity Lithium Battery

New in box ,no opened!! $400 each have 7 boxes The hardware is intact, and the battery cells are fine. Original packaging is included. Note: This batch has an official recall notice due to a firmware logic defect. Buyers need to contact the official recall office (recall@renogy.com) or upgrade to the latest firmware before use. This is a great deal for tech-savvy individuals who know how to upgrade firmware. I'm selling it at a super low price because I don't have time to tinker with it! DM me if interested. Since the firmware defect has been disclosed, returns and exchanges will not be accepted due to firmware issues after the sale.