Hybrid Solar Power Solution. SUMRY ECO-LV 3.6KW PLUS Hybrid Solar Inverter. SUMRY ECO-LV 3.6KW PLUS. Max Solar Input Power. PV Input Voltage Range. LiFePO4, Lithium, AGM, Gel, Lead Acid. With or without battery, subject to system configuration. Requires a compatible 24V battery system. Provides 120V AC single-phase output. Verify the 60-450V DC PV input range. Professional installation is recommended. What’s Not Included. Optional WiFi monitoring module. Cables or accessories unless shown. Professional installation is strongly recommended. Batteries, solar panels, WiFi module, cables and external accessories are not included unless specifically shown or stated in the listing. 100% Authentic Product.