Meind Pure sine wave power inverter 1000W DC 12V to AC 220V for solar power system with battery char

• Voltage: (1)Input Voltage:DC12V (2)Output Voltage:AC220V(3)LOW Voltage Range: <10.5V , High Voltage Range: >DC14.8V(4)Input when Charging battery : AC 110V-240V (5)Output of Charging: DC 13.8V
• Protection:(1)Soft-Switch Function: Yes (2)Short-Circuit Protection: Yes(3) Reverse Protection: Yes ( +/ - )(4) Over-Load Protection: more than 1000W(5) High-Temperature Protection: more than 95degree will turn off, and re-boot less than 85 degree(6) High-Voltage Protection: DC16V±1V(7) Low-Voltage Protection: DC10.5V±0.5V(8) Fuse: Built-In 4X30A(9) Auto Reboot Function: Yes
• Cooling system:Cooling Fan: Yes( Automatic: when temperature> 48 degree, will auto-start to cooling, and after <40 degree will off)
• Battery charge function:(1) Charging Function: Yes (Charging Specification: Constant voltage and trickle current charge when the battery voltage less than 13.8V, after morethan 13.8V floating charge.)(2) Input when Charging battery : AC 110V-240V(3) Output of Charging: DC 13.8V(4) The AMP of Charging: about 10A(5) The Inverter will alarmand cut off when the battery is full of power.
• Specification (1) Continuous Power output: 3000W(2) Surge Power Capacity:6000W(3)Frequency output:50Hz ±4%(4)Availability Power:no less than 90.5%(5) No Loadcurrent: no more than0.4A(6)Output Wave form:Pure Sine Wave

great production fast shipping must say this sell is very efficient and am very satisfied with it so far I have hook it up working fine with a beep but will check it out ,but at first tried it there was no beep so I guess it my battery