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Trojan T105 batteries

Discussion in 'Photovoltaics' started by INQUISITIVE, Dec 19, 2003.

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  1. INQUISITIVE

    INQUISITIVE Guest

    I hope this the place to find an answer to my questions.

    I am looking to buy 2 T105's or similar to use as a power outage backup (TV
    and a few lights). What I am trying to find out is with just 2 batteries do
    I need to worry about hydrogen production or will this be at a minimum for
    just the 2. These will be kept in the basement but it is a finished
    basement.Will I need to vent these or am I better off to just get gel type
    instead.I am trying to get the best bang for the buck so I know gels are
    quite a bit more expensive.

    Putting them outside in -20C is not an option either :)

    CHEERS
     
  2. Mark Jensen

    Mark Jensen Guest

    For power backup you will just be float charging the batteries. Depending on your charge current, which can be very low,
    you may not have a venting requirement. You want to charge at the very minimum to keep the batteries topped off.
    I have 8 Trojan L-16's as a backup to a grid tied pv system. The Xantrex SW4048 inverter floats the batteries at all
    times with no apparent gassing. I do not have these batteries vented other than keeping them in a room with the window
    open.

    Mark

    Mark Jensen
     
  3. Guest

    No matter what kind of battery you use they will all vent hydrogen gas
    when they are charging. Venting will be required regardless.
     
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