ESS510 Energy Storage System is an all-in-one solution, which integrates an inverter and a battery into one unit. ESS510 offers an economical and self-sufficiency solution allowing homeowners to seamlessly store excess solar energy during the daytime to power their home both day and night. Product features including an easily scalable Lithium-ion battery module for energy expansion which is lighter than lead-acid batteries and a compact/elegant design. Moreover, ESS offers 3 operation modes with 9 intelligent operation settings to adapt to individual houses. It is easy to configure between different operation modes based on user’s needs regarding their energy management, include User-programmable PV power supply priority, charging source priority, load supply source priority, and power usage/charging time based on peak/off-peak time.