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    warich's Avatar
    warich Posts: 16, Reputation: 1
    New Member
     
    #1

    Nov 18, 2009, 06:00 PM
    Usage of an inverter and batteries as back up
    We have been given several boxes of stuff that included a 12 volt 3000/6000 watt OSP Tiger Claw modified sinewave inverter wired to a Generac 6 circuit 30 amp manual transfer switch that looks easy enough to install to the in house breaker box. Manuals included too.

    Along with that we received 4-125 amp hour(1000 amp rated?) 12 volt deep cycle marine batteries. 2-100 amp hour rv/marine 405 cca, 525 mca batteries. All the batteries are connected positive to positive and negative to negative. We also have a small 350 watt honda xl 350 honda generator that has a 12 volt charging system built in, is supposed to be super efficient and was used to keep the battery bank charged. Also in this is some sort of charging controller rated at 25 amps / 12 volts. There is no other writing on front or back of it.


    In our mobile (900 sq ft) we use 23 watt fluorescent bulbs (incandescent style) a full size refrigerator, coffee pot, computer with monitor and a 50" big screen TV, a 110 volt 1/3 hp surface well pump and 2 outdoor security lights with 75 watt bulbs in them.

    Just wondering if what we have available to us is enough to keep us OK during a power outage for a couple days. Is there something in all of this that we are missing and is needed to complete it?

    Thank you.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
    Uber Member
     
    #2

    Nov 18, 2009, 09:06 PM

    Problems I forsee:

    1. Batteries need isolation diodes and should not be placed in parallel without them.
    2. Now charging the batteries will be difficult.
    3. Some equipment may not like a modified sine wave input.

    Series connected batteries are OK. Have you ever seen parallel connected batteries in any electronics?
    wcornes12's Avatar
    wcornes12 Posts: 1, Reputation: 1
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    #3

    Aug 10, 2011, 07:06 AM

    OSP 3000W POWER INVERTER DC-AC 3000 6000 WATT

    Will the pull a 115 volt 7.8 amp PORTABLE AIR CONDITIONER/DEHUMIDIFYER in a truck

    Thank
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #4

    Aug 10, 2011, 08:03 AM
    Yes.

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