Jump to content

Robert

Members
  • Content Count

    373
  • Joined

  • Last visited

  • Days Won

    1

Posts posted by Robert


  1. you have some good gear, idle output is important so look into both mechman and DC and compare idle output as well as total output then stare at the price which might or might not be important.

    I would get a xspower D3100 in the trunk and see how well your voltage holds up. I think you will be fine like that but if not you can always add another battery.

    Congrats on that SMD :fing34:


  2. Lance is correct there alot of AGM chargers out there that don't cost much. The one I have goes high into 15v for around 5 min to stimulate battery BUT it doesn't stay that high for longer than 4 minutes. I charge mine every other day just out of habit. Around 4 minutes it automatically drops charge into mid 13v range and doesn't take longer than 10 minutes. As soon as batteries are full the charger goes into a float charge mode around 13.2v.

    Onto your resting voltage looks pretty good. If you charge it let it sit over night then check voltage to see if the voltage has dropped. That redtop sitting pretty good though IMO.


  3. Sorry to stir the pot. When I upgraded my amp I was looking into a group 31 deka for my trunk and someone asked what I currently have. (S3400 front, and D1200 in trunk) Person on other board said to just switch batteries like your saying shizzon. I called XS and they told me the way they are is fine and that I wouldn't notice a difference switching them around. Can you explain why you think theres a benefit aside from the only thing I can see of the bigger battery having more "reserve"


  4. Please don't hold me to what I'm about to say but I think the way it works is the potentiometer is what manipulates the alt to the set voltage within the wire harness, The regulator in the alt is what still controls itself by still being in communication with car in some way. I might be way off on this maybe someone that knows the way it works will jump in on this question.


  5. Thats fine once the car and alt heats up the voltage will come down to around 14.6v. If you have a stinger voltage meter you can keep your eye on your voltage at the front battery and if its to high you can make fine adjustments on AVBM until you get it just right for your car.


  6. thank you for that information crunk... very helpful.. :fing34:

    No problem. The main thing is you do not want to "gas" your batteries. They can take a high charge for only so long. The example I tell people is the instructions that come with an XSpower 12v battery.

    They say not to charge over 15v longer than 5 minutes because you can potentially damage the battery.

    AT NO TIME during charging should the battery be subjected to more than 2.4 volts per cell. Voltages above this will cause the battery to "gas" and once oxygen is vented it cannot be restored.

    So thats why each level of battery has it's specific charging level and why you set the AVBM kind of high at cold start so once car warms up the voltage will have come down to safe charging level.

    This applies to AGM batteries it might be the same for flooded batteries but I am not sure on that.


  7. This was part of notes that came with my mechman alt.

    Maximum battery voltage levels for most battery manufacturers:

    12 volt battery: 14.9 volts

    14 volt battery: 16.5 volts

    16 volt battery: 19.0 volts

    If you where to go with the 270alt with adjustable voltage you do like the video COLD START and set it around 15v, that way once your car and alt warms up the voltage should sit right around 14.8v might drop a little during the hot summer days, but once the sun goes down it will sit around 14.8v

    Good luck.


  8. Well only thing I can think of is that water runs downhill. If it costs them more to buy parts for there units then they will raise price to still make money. That and there was a technical improvement on the unit that leads to a stronger alt at idle as well as max output.


  9. You wont have a problem with a mechman alt either. They are very solid alts that produce goad idle voltage and kick in max amperage's at low rpm's. The only difference I can say that is good about mechman is the adjustable voltage boost module that they are sending out with most of the alt's they are selling lets you control the charging voltage better if your car can use that they offer it. Both companies are good flip a coin

    :bandwagon2:


  10. Companies are always going to have problems that's life. I will speak on personal experience with mechman in the way of not having anything negative about the alt I am running from them. The adjustable voltage boost module is a handy adapter to have to tweak your charging voltage to suit what ever battery setup you might be running, be it 12v, 14v 16v. Granted on higher voltages you will have to do your part to take care of your cars electrical. One last note on whoever you decide to use calling them will always be faster than waiting for a response on a board or email. Good luck.

    Just because its cheaper doesn't always make it a bad thing. When I was shopping around and before DC had XP models for my car there's was cheaper but in the end I went my own personal route with my purchase.

    You wont go wrong with either company. Mechman all around solid alt and company DC is also at the same level, they just get there problems aired out here.

×