... solar system 1.grid tie inverter output 2.high efficiency and high ... energy system Features1. High efficiency up to 92% for grid tie inverter.2. 20 pcs 200w solar panels paraller ... circuit, overload, over temperature, low battery,.) and so on.WarrantyWe provide 1 year warranty.PaymentWe accept payment via TT ... shipping options by Sea or by Air. 4KW Grid Tie Solar System, AC110V Solar System On Grid