Inverter in van

Discussion in 'Carpenters' Talk' started by busy builder, Jan 16, 2010.

  1. busy builder

    busy builder New Member

    Anyone fitted an inverter in their van?

    I was thinking of one to power my mitre saw (1200W if possible) and battery chargers for power tools.

    Any advice please?
  2. audi-evo

    audi-evo Active Member

    The batt chargers won't be a problem but for bigger gear'll need a big-un and prob cost a bit.
    Maplins do them.
    All the caravan brigade use them.
    (no i'm not one) :)
  3. big all

    big all Screwfix Select

    1200w =5.2 amps at 230 which at 12v = 105amps+tranmission wastage

    looks a lot but shure it right!!!
    anyway some bright "SPARK"will correct me if i am wrong :D:D

    big all
  4. Binfield Carpenter

    Binfield Carpenter New Member

    I have got a 300w inverter hard wired in to run the battery chargers. Although it is rated at 300w total drain is about 75w if all four chargers are doing their stuff. Works really well.

    1200w is a massive load to run - that maps into a 100A current which is the same current that typically feeds a house (though at a rather different voltage - The insulated cable to carry that is 1/2 thick!).

    The battery is designed to meet that sort of load for a few seconds to run the starter motor but to do it for an extended period is way over the top. Cooked electrics I suspect!
  5. chippie244

    chippie244 Super Member

    I think a genny is what you need.
  6. chippie244

    chippie244 Super Member

    Or a cordless mitre saw + an inverter.

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