This is a complete, plug-and-play energy storage system. Unlike DIY kits, this version includes 16 high-quality Grade A 280Ah LiFePO4 cells, fully assembled and tested. Equipped with a JK 200A Smart BMS, it provides a 15.36kWh capacity for whole-home backup power. Perfect for users who want a professional, ready-to-use solar battery solution with a 5-year warranty.