Renewable Solar Energy Grid-Tie Inverters. Grid-tie inverters are the essential heart of any Renewable Energy Solution.  Free Solar Energy UK being independent, are able to offer solutions from a number of the world leaders - Mastervolt, SMA and Fronius. Grid-tie inverters work by coverting the DC power from the Sun into AC power used in our homes. They synchronise with the National Grid supplied electricity supply, as such there is no need to use batteries to store power. Any excess power over and above your domestic use can be re-sold back to the National Grid. In the Uk the G83/1 is the certified electrical standard for grid-tie inverters. All out grid-tie inverters are UK G83/1 approved.   Model Number Description Rec.max PV power Input Voltage VDC Max AC Power SB-700 Sunny Boy 700W String Inverter 640;840;1000 Wp 75-150;96-200;119-250 460;600;700 W SB-1100 Sunny Boy 1100W String Inverter 1500 Wp 139-400 1100 W SB-1100LV Sunny Boy 1100W String Inverter 1500 Wp 21-60 1100 W SB-1700 Sunny Boy 1700W String Inverter 2100 Wp 139-400 1700 W SB-2500 Sunny Boy 2500W String Inverter 3450 Wp 224-600 2500 W SB-2800i Sunny Boy 2800W String Inverter 3400 Wp 268-600 2800 W SB-3000 Sunny Boy 3000W String Inverter 4100 Wp 268-600 3000 W SB-3300 Sunny Boy 3300W String Inverter 4300 Wp 200-500 3600 W SB-3800 Sunny Boy 3800W String Inverter 4500 Wp 200-500 3800 W

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Mastervolt Soladin 600 Grid-tie Inverter (140wp-700wp) Price: £445.00	Sunny Boy 700 Grid Connect Inverter Price: £780.00
Sunny Boy 1100 Grid Connect Inverter Price: £1,350.00	Sunny Boy 1100 LV Grid Connect Inverter Price: £1,350.00
Sunny Boy 1700 Grid Connect Inverter Price: £1,519.00	Sunny Boy 2500 Grid Connect Inverter Price: £1,990.00
Sunny Boy 2800I Grid Connect Inverter Price: £2,100.00	Sunny Boy 3000 Grid Connect Inverter Price: £2,300.00
Sunny Boy 3300 Grid Connect Inverter Price: £2,436.00	Sunny Boy 3800 Grid Connect Inverter Price: £2,598.00

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