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battery-powered soldering iron

Discussion in 'Beginner Electronics' started by gearhead, May 14, 2008.

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  1. gearhead

    gearhead Guest

    I walked into a roofing supply store and found, of all things, a 6
    watt Weller battery-powered soldering iron (BP645MP). I had to have
    Turns out the tip itself contains the heating element. It attaches to
    the body with a fitting much like an RCA jack. The soldering iron
    works pretty well, and heats up quick as advertised. Of course you
    can only use it on small stuff. Uses three AA batteries. Using it
    very much could get expensive with replacement tips costing $5 each.
    But it's a cool little toy.
  2. Glen,
    I'll state the biggest drawback:
    not enough mass in the tip.
    Only good for circuit boards.
    If you try to solder anything heavy, it sucks the heat right out of the tip.
    I was able to solder a stranded wire (I think it was 14 gauge) into a hole
    on a circuit board, but when I tried to splice two pieces of wire end-to-end
    the soldering tip didn't have the thermal heft to do it.
    So it's a limited tool.
    I'm on the lookout for a good, cheap butane iron.
  3. I made a post on the BP blog.
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