My 300 watts modified sine wave inverter does not work properly.It turns on and the power stays on for 5 minutes going out with a whistling sound. I am using a 12volts,5 amps-sealed lead acid battery(re-chargeable battery) with the unit and the solar...
342490
That long whistle sound pops on when power supply is not sufficient. At least from my experience. Try a much lower power draw device on it like a mini Christmas light set and see if the problem persists.
157430
My grid tie 300 watt inverter is connected to two 150 watt 22 volt panels. Working just fine at that voltage. The previous one burnt out with three panels connected to it. Apparently the voltage and amperage had increased when at full sun. I would consider de-rating all voltage values to 80 percent on any inverter you purchase.
1436889
It's not a "Pure Sine Wave" - those are expensive. This one is a "Modified Sine Wave" - a square wave in other words. it didn't interfere with my car radio, and didn't cause any radio noise in a small tabletop 120V radio that I ran out of this inverter.
117826
No, see other responses. Not quite Pure Sine Wave. Apple products won't charge from this inverter. Mine blew out a control IC to the output stage after the 90 warrant expired.
2043107
I only used this inverter for a very short time and it worked well. Did not get a chance to verify if it was pure sine wave as I upgraded to a 24 volts inverter within short time
1159153
Yes,it can as I found my old note books from University and it goes like this. In a 12 volts system-Sine Wave Inverter. 12 volt and 150 amps battery is needed wired in parallel to the Sine Wave Inverter. // means all positive together and all negatives together. The formula is as follows: 10 times the amperes of the battery(150) divided by the Load divided by 2 equals....1500 divided by 70 divided by 2 equals 21 3/7 divided by 2..... 150/7 times1/2 equals 150/14 equals 10 5/7 hours or roughly 11 hours of run time. Further or more alternatively,you will need some tech skills in attaching a Solar Panel to the battery to keep it charge,which is another topic......
73391
May make sure you use disconnect box, plug inverter into walk - then connect panels. I think there is a fuse if you take off back cover. I am new to this and mine works great. Watch youtube videos - they helped me out. Also Missouri solar and wind has a lot of good videos on how to hook up
100280
Depending on the appliance, you might have a minor issue with new TV's or Microwave Oven. We have some older appliances in our travel trailer which seem to work OK. The Tripp lite Inverters like this model are a modified sine wave signal, not pure sine wave as the power grid. 3000W is a lot of power so you need a good battery bank or 12V supply to drive it for the power inversion.
971645
Excellent description.The one thing I'd add is to ensure the 12v. to 120 v. inverter provides a *PURE SINE WAVE* output which is identical (or often cleaner) than a normal utility power grid. Using a 120 volt "Modified Sine Wave" power source can damage and/or weaken electronics, motors, battery chargers, batteries, etc. Or if nothing else, cause them to be less efficient & effective. "Modified Sine Wave" outputs are fine for incandescent light bulbs, but I wouldn't risk damaging my electronics or battery chargers just by saving a few bucks on a lower-end inverter.That said, I'd personally spend a bit extra for a Pure Sine Wave inverter to run electronics, chargers, and/or laptops off of. Excellent description.The one thing I'd add is to ensure the 12v. to 120 v. inverter provides a *PURE SINE WAVE* output which is identical (or often cleaner) than a normal utility power grid. Using a 120 volt "Modified Sine Wave" power source can damage and/or weaken electronics, motors, battery chargers, batteries, etc. Or if nothing else, cause them to be less efficient & effective. "Modified Sine Wave" outputs are fine for incandescent light bulbs, but I wouldn't risk damaging my electronics or battery chargers just by saving a few bucks on a lower-end... » Read More Excellent description.The one thing I'd add is to ensure the 12v. to 120 v. inverter provides a *PURE SINE WAVE* output which is identical (or often cleaner) than a normal utility power grid. Using a 120 volt "Modified Sine Wave" power source can damage and/or weaken electronics, motors, battery chargers, batteries, etc. Or if nothing else, cause them to be less efficient & effective. "Modified Sine Wave" outputs are fine for incandescent light bulbs, but I wouldn't risk damaging my electronics or battery chargers just by saving a few bucks on a lower-end inverter.That said, I'd personally spend a bit extra for a Pure Sine Wave inverter to run electronics, chargers, and/or laptops off of. « Show Less
1547202
It depends on how many hours of sun and how long you use your inverter. It is all a matter of Watt-Hours. If you charge your battery for 10 hours with 300 Watts you can use your 3000 Watt inverter for 1 hour. So you see, the answer depends on your application and location.
1344474
Mine kept burning up the rectifier . I went through 3 rectifiers before I decided to take it apart to look into the problem....cheap wiring .I recommend Missouri wind and solar.their staff will help you find the wind generator to meet your needs .I used mine to charge my battery bank. what I run I do it with my 2500 watt pure sine inverter.I'm totally off grid .
1794618
NOT SURE ,, BUT ITS SOUND LIKE you have the right amount connected.. to you inverters. i think they are faulty inverters truly i think they are not ment to last a long long time.. i may be wrong.. because i have the same inverter and its still working bin 3 month.. will have to see how long they last..
881418
this inverter must be connected to a 24 volt system or battery. if u connect batteries to it without something to charge the batteries they will drain very fast. you can get solar panels from amazon. the more watts the panels have, the more power it will make. look on youtube there are vids on solar they helped me alot.
1535493
Before you return, try resting it by a window to charge the solar cells. I have found that if I don't use it for a while it may not come on until it gets a few minutes "in the sun". I think that it should not do that but after 10-15 minutes it was functioning, and for weeks.
2067111
Mine is the 500 watt unit - but it DOES shut off below 11 volts or above 14.5 volts. With a marine battery that might be enough to "recover" overnight and therefore acceptable. Do be aware that this unit, which I like very much and has worked flawlessly for quite a while, IS NOT a TRUE SINE WAVE type and for my computers etc. that do require True/Pure Sine Wave power; I purchased an additional, different inverter as well.
460173
I just entered the same boat your in. My cobra 2500watt inverter shuts down on a "low voltage warning at 11 volts ! thats terrible. I am researching what specific inverter is needed for a solar charge system like you and I have. The problem im seeing is that all inverters I have researched are factory built with this bull crap :low voltage auto shut down".Another problem is that none of the jack azzes who sell these solar charge set ups want to answer any of my questions.have you figured out what type of inverter to use for a solar charging system?
515879
Hope this helps. http://www.alibaba.com/product-detail/Modified-Sine-Wave-Power-Inverter-2000W_60309768541.html?spm=a2700.7724838.29.1.XtvZrl&s;=p