This is a Haisic branded lithium-ion solar battery, model HS-LD4000W, featuring a 4019Wh capacity and a nominal voltage of 12.8V.
Energy Storage: The unit provides 4kWh of energy, making it suitable for residential or small commercial solar power systems.
Battery Chemistry: It utilizes Lithium Iron Phosphate (LiFePO4) technology, known for its longevity and safety compared to traditional lead-acid batteries.