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Battery Tools DeWalt/ Ryobi "having a larf"?

  • 10-09-2024 1:16pm
    #1
    Slightly Kwackers
    Registered Users Posts: 759 ✭✭✭


    The old Draper 2kW heat gun is on its last legs so I looked for a replacement.

    Now I have seen some garden tools that common sense suggests a battery is a very unwise power source, but I was amazed to find 18V heat guns on offer.

    The temperature was specified, which of course was an "up to", but no power or current rating.

    Now my Draper is usually whacked up full, so I am looking for a similar or slightly better rated unit.

    My question is simply how do they sell the things and why? Is it just that the sales team need to look "with it" , and go cordless?

    My Draper would need to pass 111 Amps at 18V to perform as it does now, assuming a 100% efficient inverter.

    I downloaded a manual for one, no spec was mentioned apart from the battery. Is this to prevent warranty claims if someone uses too many batteries to soften butter or something?



Comments

  • #2
    10-10-20
    Registered Users, Registered Users 2 Posts: 7,560 ✭✭✭10-10-20


    Hi, yeah, a handheld battery is not going to compromise the top tier of energy consumers such as a 2kW heat gun - the batteries are normally rated for around 30A (I believe), so the likely output would be 18V x 30A = 540w or so. That's more than sufficient for a few heat-shrink sleeves, but it's not going to toast Birdseye waffles and marshmallows for the family. The trade-off will be that the airflow and nozzle size will be limited on the battery item… sufficient for many I'm sure.



  • #3
    Slightly Kwackers
    Registered Users Posts: 759 ✭✭✭Slightly Kwackers


    https://www.boards.ie/discussion/comment/122601081#Comment_122601081

    Thanks, I didn't intend buying anyway as I suspected the laws of physics might still hold up. My curiosity was aroused though.

    From the advertising that I have seen for the tools, there must be some seriously disappointed buyers.

    I notice Amazon have a small travel hairdryer rated at 800W.



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