solar system, solar charger and other accesories related the the solar power system.Q2: How to choose a right inverter?A2: Tell us your demand ,then our sales will recommend a suitable inverterto you.Q3: How abou the delivery time ?A3: 5 daus for sample; 7-15 days for bulk order.Q4: What is warranty of products?A4: 2 years warranty on one-inverter products.