75V 13A 450W Optimizer Increase Power Generation for Solar Panel System

FAQ1. If we can provide sample?Yes, we can provide sample or testing order. Shipment around 5 working days.   2. If we can provide whole system?Yes, we can provide the whole solar system.   3. How long warranty we give and how.For warranty we give 3 years for full unit and 5 years for compressor, 25 years for solar panel is standard for all suppliers. We provide 1% spare parts free of charge and within warranty period the feedback we will solve order by order.   4. How many hours works for Hybrid model?24 hours ran because in day time it use solar panel power on priority and at night it use grid power automatically.   5. Where to ship and how about payment?We accept any shipment way by sea from Shanghai port, by air, by Express, with your forwarder or our forwarder both OK, freight cost based on actual cost./* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1