Pure sine wave inverter with advantages and Description 1. unique circuit design, selection of imported industrial grade electronic components, higher efficiency product applications, performance is more stable; 2. original MPPT technology, efficiency> 99%, more responsive, The maximum power point lock more secure. 3. The parallel assembly of modular design, small size, distributed installation. Easy system configuration, flexible combination of system scalability. 4. The use of high-frequency transformer isolation, high efficiency, high safety. 5. Perfect electrical protection. 6. aluminum shell, no rust, heat cold and corrosion. 7. has a number of electronic circuit design, product design and other core technology patents. 8. Input voltage (22-60VDC), the work of different input voltage rating process; covers a variety of DC power supply voltage range can work. Product Specifications Model SY-GWV- Rated power 200W 300W 400W 500W 600W solar panel recommended Vmp: 26-33V; Voc: 34-38V / Vmp: 35-39V; Voc: 42-46V input voltage 22-60V MPPT voltage 24-48VDC peak efficiency> 88%> 88%> 86%> 85%> 85% of the output voltage 120VAC (90-140VAC) or230VAC (190-260VAC) Output frequency 50 / 60Hz sine wave output waveform total harmonic distortion <5% Operating Temperature -25 ℃ ~ + 65 ℃ Product Weight 1.3KG / PCS package box 31 * 21 * 11.5CM Packing Accessories AC power cord; a manual; warranty card Carton 42 * 31.5 * 35.5CM; 6PCS / CTN; 8 / 11KGS multiple intelligent security: a islanding protection, short circuit protection, reverse polarity protection, low voltage protection, high voltage protection, high temperature protection, protection, protection of the inverter to receive comprehensive protection during use. Warranty Conditions Warranty: 1 year warranty, 15-year limited warranty Shengyang commitment from customers to buy smart inverter starting one year warranty, warranty repair or replace defective products responsible for the costs incurred and the warranty period: the date of delivery date warranty documents: bill of lading date, product serial number, product type, intact warranty card Further, Shengyang will also provide an additional 14-year limited warranty, this warranty period, but the exemption is not responsible for the resulting all freight costs.