3K/3.6K/4.6K/5K/6K   Solis energy storage inverter is a good choice for on/ off-grid integrated storage solutions1. Higher incomes: select the electricity consumption mode in real time according to the market price;2. High independence: can be operated out of the power grid;3. Higher efficiency: International leading brand components provide higher efficiency;4. Perfect switch: it's less than 20ms from the grid