Product Features ■ targeted at 24V / 60 chips and 36V / 72 Silicon Solar panels and design. ■ adopt safety isolating high-frequency transformers, high efficiency, high safety. ■ aluminum shell, no rust, heat-cold, anti-corrosion. ■ has a number of electronic circuit design, product design and other core technology patents. ■ original MPPT technology, efficiency> 99%, more responsive and more secure locking maximum power point. ■ The unique circuit design, selection of imported industrial grade electronic components, higher efficiency product applications, more stable performance. ■ parallel modular component design, small size, distributed installation. Easy system configuration, flexible combination of system scalability. Recommended solar panel product parameters: 24V (Vmp: 26-33V, Voc: 34-38v); 36V (Vmp: 35-39V, Voc; 42-46V) Model SY-MGI-1000W rated power 1000W Input voltage 20-45VDC input Current 60A MPPT voltage 23-40VDC peak efficiency> 89% Output voltage 110V / 220VAC output frequency of 50 / 60Hz sine wave output waveform total harmonic distortion <5% Operating temperature -25 ℃ ~ + 65 ℃ Weight 2.3KGS / PCS Package Within the box 39 * 20.3 * 11.3CM Packing Accessories AC power cord; a manual; warranty card Carton 42 * 40.5 * 24.2CM, 4PCS / CTN, 8 / 11KGS Warranty: ?? The product warranty for one year ( 12 months)? If the product is under warranty, damage or malfunction was found, Sheng Yang Industrial Co., Ltd. is responsible for free repair or replacement? the same type of product, Sheng Yang Industrial Co., Ltd. has the power to require customers to produce purchase invoices, receipts and ? date, at the same time, Shengyang logo should be clearly visible on the product; the customer is damaged or defective product should be returned to Sheng Yang Industrial Co., Ltd.?. Otherwise, Sheng Yang Industrial Co., Ltd. reserves the right not to be quality assurance matters. ? Appears one of the following conditions, Sheng Yang Industrial Co., Ltd. the right not to carry out quality assurance matters. 1. Improper installation and damage caused by the use of 2. 5. Operation damage human error or malfunction 3. When the product in question, disassemble products, and unauthorized modification of the product 4. Non-normal environment caused by natural disasters than any relevant international standards set forth in the installation range and scope