Solar Inverter & Controller All-in-one System Features Strong loading ability with 3 times starting power Power frequency pure sine wave Modularized design to enable power extension freely Built-in MPPT solar charge controller Solar inverter/UPS Lighting surge protection Design lifespan over 10 years Quality lithium battery with life cycle over 5000 times ESP SERIES Main Control Box :Integrate inverter, energy management module, UPS function, voltage stabilizer, surge protection, charging module, MPPT solar charge controller. Energy Storage Box :Each layer can contain 2 x 3U/4U LiFePo4 batteries. For example, a single package of 5120Wh x 2 = 10240Wh. Free extension and combination. Energy Storage Box:Each layer can contain 2 x 3U…