... choice for light,fan,automatic charge inverter High frequency home inverter/home UPS, modified sine wave inverter with charger, specially design for ... MCU control, more stable capablity5. High efficiecy rate of DC - AC conversion, minimize energy loss 6.Tower design, can both stand ... Temperature0 ~ 40 Relative Humidity0% ~ 90% non-condensing Home Inverter, 300W~1200W with fast charge function