The EVE 40140 pushes cylindrical LiFePO4 capacity to 20Ah — the largest widely-available cylindrical format. At 40mm diameter × 140mm height, it packs serious energy density while maintaining the structural simplicity of cylindrical cells.
Ideal for DIY home battery banks, off-grid solar storage, RV/camper power systems, and small commercial UPS applications. Laser-welded busbar connections available.




