Pure sine wave inverter, UPS, AVR (Stabilizer) and charger function Generator compatible Low power self-consumption Fast changeover, guarantees uninterrupted power supply True C.R.G.O Toroidal transformer design provides high efficiency, low static loss, much more energy saving than old square transformer type design. Intelligent 3 stage charger protects your battery 32-bit high-speed CPU control, swift response, more accurate detection Color LED, user-friendly operation interface, displays clearly device’s working status, input & output voltage, loading status, battery status