250w Grid Tie Power Inverter Converter Solar 10.8v-30v DC 110v AC

Somewhat sceptical of the idea, I ordered one of these on Ebay (another brand), but it disappointedly churned out maybe 20W from a 100W panel tie-up. I was about to give up, but saw the good reviews here and thought I'd give the concept another try. Lo and behold this thing works, it does not roll the meter backwards unless perhaps you have an older analog meter, but it does reduce the current consumption coming in at the mains, this I can confirm because I monitored the current real time with and without the inverter on, and the unit is definitely performing as advertisesd! The cost of a 100W panel and this inverter (not counting wiring and connectors) costs about $400, and I am not sure how long these units last, so even assuming 20 cents a kilowatt hour, it will take a long time to recoup the investment (assuming average of 6h sunshine a day, 80% efficiency optimally, you are saving around $35 a year only, taking 11+ years to recoup your investment !), but there is something satisfying that you are harvesting "free" energy from the sun. I intend to add another 100W panel to this set up and see how that goes.

Worked ok for about a 6 months before first light went out. Power output always seemed low. I have had it now a year and all three lights are now not working. Power output still on the weak side. It does still work without the lights.

Solar Panels not included!Bought a 600W inverter on Amazon and thought I would give it a try and see if I could reduce my electric KWH. Hooked the inverter to a couple of home made PV panels (~240W). I have the panels wired to a cheap charge controller which then charge a couple of truck batteries. PV panels are on porch as this is a test set up I've been working on since last winter. Panels are not getting direct sun light now that it is Summer. Very easy to hook up. Initially inverter put out about 180 Watts per my Kill-A-Watt meter. Output dropped to around 25 Watts and charge controller started to show low battery voltage. Also, noticed the green LEDs were now only flashing (1-3-1-3-1-3) , instead of the initial 1-2-3-1-2-3-1-2-3.Picked up four Evergreen 210 Watt panels and mounted two of them where they would receive full sun. Hooked the two Evergreen panels to the inverter in parallel ( 12V+ @ about 22A ). Inverter put out about 260 - 290 Watts. Still only 2 LEDs flashing (1-3-1-3-1-3-1). Thinking the inverter could be defective, I ordered two of the 250 Watt inverters. When the two 250 Watt inverters arrived I hooked them up one each to a single panel and piggy-backed into the Kill-A-Watt meter. Output was about 250 - 260 Watts. It appears that the two 250W inverters may be slightly less efficient than one larger inverter. (3% ?)Bottom line is that the inverter does work and under light household load the electric meter runs backward. Saved about 8 KWH this week per the Kill-A-Watt meter. (5 sunny days @ 45 degrees North)(Note: As this is a Grid Tie Inverter it must detect 120VAC when it is plugged into the wall outlet. If your power company's power goes out the inverter stops working. This is a safety design function to protect electric company linemen.)(Note: Unlike the old analog electric meters the new digital Smart electric meters will not decrement the KWH number even if the meter shows it is running backwards.)Reasonable price. Shipped quickly and received within several days. Packaging OK, some minor box damage, but product box OK.11-09-2013 UPDATE ! ! !Inverter worked for about 90 days and then DIED, no lights, no output, no nothing! Requested replacement about two weeks ago. Return page on Amazon shows status as "Seller Responded", but no response can be found, no email, no nothing! Tried again last week, same results. NO NOTHING!2014 01 22 UPDATE!After inverter sat in a box for a couple of months I decided to see if it could be repaired. Found some useful youtube videos on Small Grid Tie Inverter repair and after some troubleshooting was able to get the inverter to work again. I'll update to four stars.

System used; harbor freight 45w total solar panels, panels set so that for my old storage system could charge a single deep cycle from 11.9v to 13.5 in an 8 hour sunny day so i know its set right. removed charge controller from circuit and hooked to this unit 250w GTI. i didnt expect a mass amount of power but it never did anything. went through all the trouble to run a spewcific outlet in my shed. of course when i get it i gotta wait 3 days for a full sun day. well hooked up with a kill a watt meter. very first sunny day....NO FUNCTION LIGHTS nothin 23v dc goin in 123v in outlet and nothin through the kill o watt meter. my battery with a modified sine wave inverter hooked directly to an "island" shed outlets and lights was a much better choice ran stupid wire to hook to the power and hook this thing in only for it to not work. was gonna get 100w solar panel to hook up but if it dont work i wont waste my time. i think the way others have described this product must have stock in this company or something, ill see how they handle the return for this product and will report on the new unit hopefully a good one.

I have tried every configuration, wire size and I still can not get more than 100 or so watts.I have stack two of the same 250w together but never any luck.I have 4 Renogy 100 watt solar panels connected parallel . total 400 wattswith two 250w grid tie inverter the most I get is 210 watts and no more , no matter what I try that's all I get.

Just as described. Works great. I was skeptical about this when I first saw it, but doubts disappeared after use and testing. Using this to connect a 100 watt solar panel, and a 12 volt battery bank to the grid. Killawatt meter shows it's making almost 100 watts on a clear day connected to the PV panel. Slows down the meter on the house. Waiting for next power bill to see energy savings. The cheapest and easiest way to connect your solar panels to the grid.

Its o.k. nothing special. Not too efficient. Sometimes it generates error and needs to be reset by disconnecting solar cells and utility power. After that it works again. Said that as a first converter to see how the setup works it is more then good for a price.