500w Grid Tie Inverter Dc16v-28v or 26v-45v Mppt Pure Sine Wave Ac230v Panel. 500W Grid Tie Inverter DC16V-28V or 26V-45V MPPT Pure Sine Wave AC230V Solar Panel Adjutable 12V 24V Battery Discharge Specifications: Rated Power:500W PV open voltage range:16-28V/26V-45V PV MAX input power:500W MPPT Voltage range:11-21VDC/24-35VDC fit for 12V Solar Panels:Vmp: 18-21V, Voc: 20-24V fit for 24V, 30V Solar Panels: Vmp is 26-30V and Voc is 34-38V fit for 36V Solar Panels:Vmp is 35-39V and Voc is 42-46V MPP tracking efficiency:>99% MAX. DC current(A):35A/25A PV mode AC MAX output:400W(Requires 500W real power input) Suitable for Battery voltage:12V/24V Battery high voltage protection:14.5V Battery Low Voltage Protection:11V/22V Battery mode Max output power: 250W (with14V or above) AC output range: 230VAC(190-260VAC) Frequency range:50HZ/60HZ Protection:Islanding; Short-circuit; Low Voltage; Over Voltage; Over temperature Protection LED Show:R&G&B LED Russian buyers were required to fill in the full name; Brazilian buyers are required to leave CPF/CPNJ Number; Chilean buyers are required to leave RUT number. The product came very well packaged. I’m very happy. Thank you for everything.