16xcell 12.5 KwH lifepo4 batteries 3.2v 240Ah - New, Grade A, UK Stock. Premium Grade A - new, not used (like many imports)Bank of 16 3.2v 240Ah cells to create a 12.5KwH power wall. These were purchased for an off-grid solar project, tested through one cycle but not used again. This is a collection only listing.