grid synchronized rectification off grid power inverter

{"cid":"91190745","title":"Energy Storage Inverter with > 0.99 Power Factor 50Hz\/60Hz Rated Grid Frequency and Grid-Synchronized Rectification for Efficient Power Conversion","imgUrl":"https:\/\/img.chinax.com\/nimg\/5c\/0d\/1250bc4c12b40dbca255a13c16a5-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Greef","Model Number":"Mars","Minimum Order Quantity":"1Set","Delivery Time":"15-25Days","Place Of Origin":"China","Certification":"CE","Payment Terms":"T\/T Paypal D\/P Money Gram","Supply Ability":"400 Sets\/month","Permissible grid voltage range":"300-460 V","Rated grid voltage":"400V","Minim um DC voltagel'1":"1","Cooling method":"Intelligent Air Cooling","Rated grid frequency":"50Hz\/60Hz","Maximum efficiency":"98.9%","Power factor":"> 0.99","Surge protection":"Level 2"}}

{"cid":"91208924","title":"Vehicle Electrical Safety Testing Equipment Feedback Power Grid Simulator RS485","imgUrl":"https:\/\/img.chinax.com\/nimg\/46\/10\/90e706e7ebf0ff1b0b2d2b6b00fb-200x200-1.jpg","attrs":{"Price":"Customized","Brand Name":"Sinuo","Model Number":"SNEBP","Minimum Order Quantity":"1","Delivery Time":"45 days","Certification":"Calibration Certificate (Cost Additional)","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"10 sets\/month","Packaging Details":"Plywood case","Output Voltage Range":"0.0~ 300.0V(L-N)","Voltage Setting Accuracy":"\u22640.5%","Voltage Setting Resolution":"0.1V","Output Frequency Range":"45.00~ 65.00Hz","Frequency Setting Accuracy":"0.02%","Voltage Distortion":"<1% (Linear load)","Reaction Time":"<2ms","Crest Factor":"1.41\u00b10.1"}}