300W Grid Tie Inverter 10.5V-28Vdc 90V-260Vac Mppt Micro Grid Tie Pure Sine Wavepackage Included: 1 X300W Grid Tie Inverter 1 X Ac Power Plug 1 X User Manual Features: Directly Connected To The Solar Panels (Do Not Need To Connect The Battery) By Mppt Function, Apl Functions; Ac 0 Angle With High Precision Auto-Detection; Synchronous High-Frequency Modulation; Pure Sine Wave Output; Automatic Sensing Function Solar Luminosity; Power Automatically Locked (Apl); Maximum Power Point Tracking (Mppt); Automatically Adapt To Different Load Power Factor; Constant Current, Constant Power; Automatically Shut Down When The Power Output Of A Fault; Current Limit Protection; Stack Multiple Machines; High-Frequency High Conversion Rate; Wide Range Input Voltage 10.5-28V. 200W 300W 400W 500W 600W 800W 1000W Is Availble. Generally Say, The Working Voltage(Max Power Voltage) Is The Key Point To Choose The Right Inverter For Your Grid Tie System. Solar Panel Is 18Vdc ( Max Power Voltage) , Choose 10.5-28Vdc Solar Panel Is 30Vdc (Max Power Voltage) , Choose 22-60Vdc Solar Panel Is 36Vdc (Max Power Voltage) , Choose 22-60Vdc Solar Panel Voltage Is Not The 18Vdc 30Vdc 36Vdc,(Max Power Voltage) Please Contact Us Before You Buying, We Will Check The Feasibility For You,So You Don'T Lose Money!