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Thread: Cordless power tools

  1. #391
    Flashaholic* orbital's Avatar
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    Default Re: Cordless power tools

    +

    There is this also to keep things interesting, https://www.homedepot.com/p/RYOBI-150-Watt-Power-Inverter


    Milwaukee makes on too = Top Off


  2. #392
    *Flashaholic* Poppy's Avatar
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    Default Re: Cordless power tools

    Quote Originally Posted by bykfixer View Post
    Went to home depot today to pick up some pipe for Mrs Fixer and was contemplating a Ryobi 18 volt table fan. I was looking for the kit but all they had were "tool only". Mrs Fixer found a display where you buy a "starter set" battery pack for $99 and get a select tool at no charge. The fan was one of the tools. The starter set is a pair of 4AH batteries and a charger. Not the HP battery mind you. But still I had 2 batteries for my new fan. I ran it on low for 4 hours and still had 3 of 4 bars. The fan also has a facility to run it off A/C power too.
    A couple of years ago, those batteries were $100 each. On special sale days, like Memorial Day or Thanksgiving one could get two for the price of one. Now I see they are giving two for one plus a tool! Very cool.

    I have one of those fans. I don't know if they upgraded it, but the head of the fan would not stay at the angle that I set it at. Eventually it would drop. Scout24, told me it put an "O" ring behind where the screw is that you would tighten. That worked well.

    I looked for that thread, I think we had pictures, but I couldn't find it.
    My Grand Kids call me Poppy

  3. #393
    *Flashaholic* Lynx_Arc's Avatar
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    Default Re: Cordless power tools

    What I think is interesting is the odd or rare cordless tools you see on some lines some of which are becoming more common. I saw a 20v mister/fogger the other day by Hart and they have some others interesting tools like an inverter. I've seen a cordless sprayer too. What is sad is in order to have these uncommon tools you can end up investing in several tool lines partially.

    One thing that does concern me that could happen in the future is if they start mandating electric vehicles replace gas powered ones in places enough we could see a tightening up of the lithium market and with that the prices of tool batteries could spike. I've read a few articles saying that in 10 years (or less) they could use up all the lithium being mined to make only vehicle batteries. I was also looking at Zinc-Ion battery technology which is interesting but the information about it is spotty online and I don't have the patience to sift through it all but it looks to be up and coming for large energy storage when it doesn't need to be portable like for power stations. It may possibly be a way to replace lead acid batteries in a lot of applications but until giga factories come online and the price drops below that of lithium ion tech it won't be making inroads. I think it likely won't be in tool batteries as the weight/power density is not that of lithium ion but it has one huge advantage..... it is a lot safer. It could be in lower power battery portable devices where safety is a concern.
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    Psalm 112:4 Light shines in the darkness for the godly. They are generous, compassionate, and righteous.

  4. #394

    Default Re: Cordless power tools

    I remember you being told about the o'ring Poppy. This one is pretty stiff and for the few hours I've used it so far stays in place well. If it starts slipping I know how to fix it.

    The "starter" kit has non HP batteries, which are fine for tools that don't have a high draw like my fan on low or 'dremel' style tool I bought Mrs Fixer. The tools like the brushless leaf blower or lawn edger are said to perform better with HP batteries.

    Perhaps someday somebody will focus on hydrogen powered transportation and save all the lithium for computers, flashlights and power tools but I fear hydrogen tech will go the way of the Beta Max.

    I like that invertor orbital. Maybe if I'm good Mrs Fixer will hook me up with one for fathers day.
    John 3:16

  5. #395
    Flashaholic* orbital's Avatar
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    Default Re: Cordless power tools

    Quote Originally Posted by bykfixer View Post
    I like that invertor orbital. Maybe if I'm good Mrs Fixer will hook me up with one for fathers day.
    +

    This kinda thing I dig making stuff with (DC voltage), you just have to be ok with soldering / making connectors

    https://www.ebay.com/itm/13347038399...Cclp%3A2334524
    Last edited by orbital; 06-07-2021 at 04:40 PM.

  6. #396
    *Flashaholic* idleprocess's Avatar
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    Default Re: Cordless power tools

    Quote Originally Posted by bykfixer View Post
    Perhaps someday somebody will focus on hydrogen powered transportation and save all the lithium for computers, flashlights and power tools but I fear hydrogen tech will go the way of the Beta Max.
    The problem with fuel cells is that at their core they're very complex - and typically inefficient - batteries. Suspect that reality is why they haven't seen much success in the market.

    I recall one HFC ecosystem was were targeted at video production that offered a commanding advantage in terms of runtime (I recall claims of being able to operate high-end digital cameras ala Red all day nonstop) however it was eye-wateringly expensive, pricing it well out of even the 'prosumer' tier.

    Another concept I heard about were direct methanol fuel cells (DMFC) targeted at laptop computers but they also seemingly failed to condense from a vapor state - perhaps it was the proprietary blend of methanol the OEM would have forced upon the user base.
    I apologize that this letter is so long; I did not have time to write a short letter

  7. #397
    *Flashaholic* Poppy's Avatar
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    Default Re: Cordless power tools

    I thought that one of those inverters would be cool, but then I did the math and was very disappointed.

    A 4Ah battery will only power the inverter for about 30 minutes, or less. It will only output 1.2 amps AC. I guess it might power my internet router, and charge my notebook, but not power my TV. I wondered... what would I use it for? Fortunately the batteries are quickly changeable, but there is a limited supply of them.
    My Grand Kids call me Poppy

  8. #398
    *Flashaholic* idleprocess's Avatar
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    Default Re: Cordless power tools

    Quote Originally Posted by Poppy View Post
    I thought that one of those inverters would be cool, but then I did the math and was very disappointed.

    A 4Ah battery will only power the inverter for about 30 minutes, or less. It will only output 1.2 amps AC. I guess it might power my internet router, and charge my notebook, but not power my TV. I wondered... what would I use it for? Fortunately the batteries are quickly changeable, but there is a limited supply of them.
    I used mine during a power outage a few months ago to power my laptop and the cellphone it was tethering to. Ran for about an hour, consuming a single bar of the 9Ah battery I've got. I've also used it on occasion sheltering in my house's de facto storm shelter (read: the fully interior 'powder room' half bath) to run phones on USB power and provide a low-level light - not because it was absolutely necessary but because I found the relative darkness more comforting when the tiny ~35ft² room was occupied by 2 humans and ... too many ... pets.
    I apologize that this letter is so long; I did not have time to write a short letter

  9. #399

    Default Re: Cordless power tools

    Last evening the Mrs and I continued working on a chest of drawers but this time it was after dark under a 15x15 canopy. A typical June day is hot in my state but there is usually a breeze blowing as hots and cools collide all day long. Working under a tarp provides shade. After dark not so much. Enter the Ryobi fan. It kept our outdoor work space much more comfy by providing that gentle breeze of the daytime. For better battery life I had it on low. Then it dawned on me that a wall outlet was 8 feet away and the fan runs on AC current. A minute or so later it was running off the all night generator a few miles north of me……on high.

    For light we used a pair of COB lights magnetized to metal poles in the ceiling of the tarp. The ceiling is a light gray nylon that acts like a photographer's reflector so aiming one up into the ceiling provides a well dispersed lighting that reduces shadows.

    I thought "man, what a great time we live in".


    All that ceiling bounce really helped.

    After applying a third coat of stain we changed our mind.
    We learned the hard way why one should use a pre-stain product to wood prior to applying oil based stain. Lots of really dark, nearly black places popped up. Although Phillipine Mahogany is listed as a hard wood it soaks up oil based stain like a soft wood. So after dark we gave up trying to polish the excess stain by hand and reapplied finish remover. Next we'll sand it back down to bear wood and apply a wood conditoner.

    Edit:
    I tried a non HP battery on my leaf blower said to put out "up to" 100mph (280 cfm?) and it ran fine in a normal mode, which I'd surmize as maybe 60mph with the "up to" being a sort of turbo mode. Well it would not engage the turbo like an HP battery but other than that it ran like normal and did what I wanted it to do. Normally I use turbo to kick loose stubborn stuff when using it as an electric broom. Today I just used the scraper at the end of the outlet that I did not was even there until today.
    End edit.
    Last edited by bykfixer; 06-08-2021 at 10:52 AM.
    John 3:16

  10. #400
    *Flashaholic* Lynx_Arc's Avatar
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    Default Re: Cordless power tools

    Quote Originally Posted by Poppy View Post
    I thought that one of those inverters would be cool, but then I did the math and was very disappointed.

    A 4Ah battery will only power the inverter for about 30 minutes, or less. It will only output 1.2 amps AC. I guess it might power my internet router, and charge my notebook, but not power my TV. I wondered... what would I use it for? Fortunately the batteries are quickly changeable, but there is a limited supply of them.
    Inverters take a lot of current to operate which takes large capacity high current batteries. To get 1.2A AC from an 18v (20v under load) battery it takes about 6 times the current or 7.2A plus the losses in conversion so could be close to 10A of drain on the battery which would equate to about 25 minutes off a 4A battery. They make 1000 watt inverters for cars (about 8A @ 120v) these take 10 times the current plus losses from a 12v car battery so we are looking at likely more than 100A from it. This is the reason people buy generators as a gallon of gas beats a stack of tool batteries hands down.
    Fenix Split rings 1400+ sent, SWIVELS now available also!
    Psalm 112:4 Light shines in the darkness for the godly. They are generous, compassionate, and righteous.

  11. #401
    Flashaholic* orbital's Avatar
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    Default Re: Cordless power tools

    Quote Originally Posted by Lynx_Arc View Post
    .. a brushless cordless recip saw is one of those tools you can really use especially if you live in a house and have to care for a yard. I've used a circular cordless saw on trees they are good for some things but nowhere near as versatile as a recip saw is. The advantage of a circ saw is the blade spins one direction instead of 2 directions the recip saw does which on smaller limbs you have to hold onto the limb with a good grip else it will shake it out of your hand.
    +

    Quick followup on my DeWalt compact recip saw; Used it Monday evening with a carbide nail embedded wood 9" blade (6/9 TPI)

    All I can say is that out of all my tools, not including my Stihl blower __ it is the most useful tool I own.
    Was able to get into overgrown areas and just have at it & put waste to some things that needed to go away.

    True joy in doing what could have been a real hassle.


    It slots perfectly between a chain saw & bladed brushcutter = FTW

  12. #402

    Default Re: Cordless power tools


    This has been my most used so far.
    Found a shady spot to chill after cutting grass and have a gentle breeze blowing when Mother Nature's fan takes a break.
    John 3:16

  13. #403
    ven's Avatar
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    Default Re: Cordless power tools

    Oooooo I like that Mike! So useful and portable. That’s a winner right there!

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