Smart Energy Inverter Smart Energy Inverter with IP65 waterproof design which is resistant to bad weather. A plug-and-play inverter that incorporates energy from the solar and lithium-ion/tubular batteries to provide the highest availability of energy at the lowest costs. System Warranty String Power provides a complete 05 years warranty of solar system including the hybrid Inverter and lithium-ion batteries. The solar panels comes with a 25-year performance warranty and 12-year product warranty. Smart Energy Storage A highly compact Lithium-ion battery pack that has built-in BMS (Battery Management System). It can manage and monitor cells information including voltage, current and temperature. Customer Support String Power solar system is cloud-connected and monitored by customer support personnel. Our techincal teams are available round the clock to answer the queries.