ESS series is a high-perfommance energy storage system independently developed by us. lt uses high-quality lithium ironohosphate batteries and is equipped with an inteligent BlS . it has long cycle life, high safety , and good sealing; High.frequency off-grid solar inverter, built-in MPPT controller, can provide efficient and reliable energy solutions for solar offgrid p ower generation systems, household solar storage systems, and industrial and commercial energy storage systems