Page 8 of 9 FirstFirst ... 6789 LastLast
Results 71 to 80 of 85
  1. #71
    Platinum
    Join Date
    Jul 2004
    Posts
    40,092
    Post Thanks / Like

    Default

    We have a definitive answer about the mysterious US245 batteries sold at Inverluz for $RD3500.

    Robert,

    My guess was wrong. This is a special order battery and is a US1800XC with a red cover private labeled for Luis Serrata.

    The ratings are 208 Ah at C/20, 157 Ah at C/5, 107 minutes at 75 amps, and 392 minutes at 25 amps.

    If you have questions, please contact me.

    K. Fred Wehmeyer
    Vice President - Product & Process Engineering
    U. S. Battery Manufacturing Company
    A fine battery at a good price.

  2. #72
    Platinum
    Join Date
    Jan 2002
    Posts
    11,777
    Post Thanks / Like

    Default

    wow, such deep calculations and keen discussion. Sorry but i didn't read the whole thread.
    The bottom line is this: The batteries will lose their capacity over time until you would need to treat them with EDTA. If you have 2 fans running, 3-4 low wattage bulbs, desktop and laptop running, TV running and maybe a wireless network turned on etc. You will get 7-9 hours max. This is with 4 batteries and without fridge or microwave.
    So we can do all the canculations and try out all the different tricks, but I tell you this from experience. Now if cobraboy maybe able to play with turning on/off the appliances and might be able to get more or less the same amount time with the fridge running as well. I have seen people get the same amount of inverter time even with the fridge. But this all depends of the size and type of fridge. I guess the new fridges are better insulated and far more energy efficient.
    Good luck.
    AZB

  3. #73
    Silver
    Join Date
    Mar 2006
    Posts
    3,060
    Post Thanks / Like

    Default

    Quote Originally Posted by AZB View Post
    wow, such deep calculations and keen discussion. Sorry but i didn't read the whole thread.
    The bottom line is this: The batteries will lose their capacity over time until you would need to treat them with EDTA. If you have 2 fans running, 3-4 low wattage bulbs, desktop and laptop running, TV running and maybe a wireless network turned on etc. You will get 7-9 hours max. This is with 4 batteries and without fridge or microwave.
    So we can do all the canculations and try out all the different tricks, but I tell you this from experience. Now if cobraboy maybe able to play with turning on/off the appliances and might be able to get more or less the same amount time with the fridge running as well. I have seen people get the same amount of inverter time even with the fridge. But this all depends of the size and type of fridge. I guess the new fridges are better insulated and far more energy efficient.
    Good luck.
    AZB
    Spot on, if you get more than that you may have a nuclear reactor in your backyard with a Inverter label on it.

  4. #74
    Platinum
    Join Date
    Jul 2004
    Posts
    40,092
    Post Thanks / Like

    Default

    Good place for this.

    I want one.

  5. #75
    Silver
    Join Date
    Nov 2004
    Posts
    2,765
    Post Thanks / Like

    Default

    Quote Originally Posted by cobraboy View Post
    Good place for this.

    I want one.
    I want to join you on a ride, once you got one. Actually, Rene here had a racing license... we could have FUN!

    Well, they got what they wanted:
    We want people to actually want an electric car!
    .



    ... J-D.

  6. #76
    Regular
    Join Date
    May 2006
    Posts
    26
    Post Thanks / Like

    Default

    Is edta the same as what they refer to/sell here as b-agra (viagra for batteries?)

    MIKE <(:>)

  7. #77
    Regular
    Join Date
    Oct 2009
    Posts
    17
    Post Thanks / Like

    Default

    Dominican made inverter has been around for more than a decade, and DR is a cruel test field for those machines, so, if choise wise, no dubt about quality of local made inverters.

  8. #78
    Regular
    Join Date
    Nov 2004
    Posts
    36
    Post Thanks / Like

    Default

    Has anyone tested Inverluz's veracity of their Pure Sine Wave model's claims?
    is it TRUE pure sine wave?

    If anyone has experience with their Pure Sine Wave model, please comment. I'm considering a 5.5KW unit, against a Xantrex 4.5KW (imported). There is about $800 price difference, but if purchased in Miami, which may render warranty not available in DR.

    Thanks

    Quote Originally Posted by cobraboy View Post
    First of all, thanks to AZB/Aftab for his sage advice in another thread about inverters made in the DR. He was spot on.

    Inverters are as much of life in the DR as a car is. You simply cannot exist in any modern fashion without one.

    There has been much discussion on brands of inverters and whether the imports are superior to the ones made in the DR. The discussion is certainly important because the imports-Trace being the #1 brand-are significantly more expensive than the Dominican brands.

    And since we've been having ongoing problems with the 1.5kw already in our house, I did my homework and wanted to offer some insight into what I have learned from engineers, what I have found about the Dominican brands and some insight into our recent purchase.

    1.5kw isn't diddly if you want continuous power to most appliances in your abode. We want to run everything but the bedroom a/c, the water pump and the water heater. We have considerable computer and tech equipment but no plasma TV's or heart/brain monitors. A quick calculation showed that a 2.4kw would suffice; but because the price differential between a 2.4 and 3.6 was very minor, a few hunders pesos, we opted for the larger. We chose a 3.6kw with 24 volt input (called a 3624 in the inverter world, a 2.4 with 12 volt input is a 2412, etc.)

    5 years ago there may have been a need for a pure sine wave inverter on sensitive electrical equipment. But not so much any more. Laptops already have an ac/dc adapter and modern power supplies with most (not all) modern appliances (including TV's and audio equipment) don't really rerquire it-nice, but not necessary. A check with two electrical engineer friends, both geeks, one a trusted Dominican family member, led me to refining our requirements to a good modified sine wave unit. One reason is that the pure sine wave units can be three times the price of a mod. sine wave unit. Anecdotally, the Dominican engineer, an experienced tech supervisor at Codetel in the DSL division, said he hasn't seen damage to equipment because of a bad inverter in several years and that there is more danger in the surges from the sudden power-on than from inverters. Makes sense.

    So I went researching, looking for the best quality and function at the most reasonable cost.

    I found that one company makes MOST of the circuit boards in both Trace as well as several Dominican brands of inverters. The circuit board is the heart of an inverter, period. With that info, we eliminated Trace based on the significantly higher cost. Don't get me wrong, no doubt they make a quality, top-shelf unit. But we wanted to find comparable quality at much better prices. So we went researching Dominican inverters.

    And this is where things got interesting.

    As AZB pointed out, all Dominican inverters are NOT created equally. I give you a perfect example, our old 1.5kw unit:

    Our electrician, an actual pro who knows his stuff, says it's very typical. It's a mishmash of cobbled together components and hand-made bad circuit boards with solder joints from hell. These are cheapcheapcheap...and are in many Dominican homes. I suspect these are the type that will fry sensitive electronics. I can tell you the quality of power coming from that unit was just aweful.

    There are many local inverter companies who offer different private labeled Dominican made inverters and some who sell Chinese imports. But we chose to investigate manufacturers who sell them directly. The rationale was knowledge of the units and direct parts and service support especially under the warranty period.

    One brand we heard mentioned often was ProTrace made by Inverluz in Moca. I posted a promotional video about them in another thread. When we called the factory the representatives were very helpful and ready with technical specifications. We found they produce two lines: ProTrace, still somewhat analog, and Wave, all digital. The price differential was about 35%.

    They have a store with a display in Santiago on Padre Las Casas between Bartolo Colon and Estrella Sadala, a couple of blocks from Sadala. The store is "MegaTone".

    Again, the store personell were very helpful, knowledgeable and were clearly proud of their product. They allowed me to take all the pictures I wanted.

    This is their circuit board, the heart of their system. The white box shows the controls, adapters and diagnostic lights you see on the outside of the unit:


    A display of some of their units:


    This is a see-through 36/24 unit to show the quality of construction:



    The 3624 unit no longer has the external voltage meter. The cost, with a 2 year full warranty, is $RD16,000 (which includes a $RD800 discount). We also purchased 4 220ah U.S. Batterys @ $RD3500 ea. with a 15 month full warranty/9 month prorated warranty. So the total cost of a quality inverter and batteries was $RD30,000. Not bad at all.

    I might add that Inverluz also makes pure sine wave inverters in their Wave line. The price for a 4024 is $RD53,000.

    We had the unit installed by our electrician here in Jarabacoa. He commented on the quality. Installation was a snap and the unit has worked perfectly. Good thing, because the power from Edenorte has just sucked recently.

    There are also other solid Dominican brands out there. Inverluz is just one.

    One more important note: an inverter can act as a surge suppresser and short curcuit preventer ONLY IF the house electrical system is grounded. Many if not most in the DR are NOT grounded. Ours wasn't. It is now. We ad it done with the inverter installation...at a total cost of $RD2000 including the 4' long 5/8" thick copper rod. Make sure your house is grounded!

    Again, thanks AZB. And special thanks to Waytogo and Chip. Team effort. Hope y'all found clearing up the mystery of Dominican inverters helpful.

  9. #79
    Platinum
    Join Date
    Jul 2004
    Posts
    40,092
    Post Thanks / Like

    Default

    Quote Originally Posted by Adrian Bye View Post
    i'd love to see a followup post in 6 months.
    Six month MOL analysis:

    The ProTrace Inverluz Wave 3624 inverter has performed flawlessly. Once we got the parameters set-like the low voltage trigger-we've had ~no~ problems whatsoever. No concerns. No events.

    We have frequent outages here, some as long as 4-6 hours. Zero issues, never a low battery alarm. And we don't go around turning thisng off when the power goes out. In fact, we often don't even know it happened.

    The next step may be adding a voltage regulator upstream of the inverter system.

    In a nutshell: the ProTrace Inverluz Wave 3624 system with the 4 U.S. Battery bank has met or exceeded my expectations.

    I would repurchase this system in a heartbeat.

  10. #80
    Platinum
    Join Date
    Jul 2004
    Posts
    40,092
    Post Thanks / Like

    Default

    9 months later the performance has been flawless.

    ~ZERO~ problems with either the inverter or batteries.

Page 8 of 9 FirstFirst ... 6789 LastLast

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •