7 January 2025 | Energy, Gizmos, Video |
I recently bought new Enegon batteries for the DSLR cam I use to make videos.
Unfortunately, one of them died on me the first time I used it.
This was particularly surprising given that the batteries got very good reviews on Amazon.
So, I decided to open up the dead battery…
I was NOT happy with what I found inside!!
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22 October 2024 | Energy, How Does it Work?, Video |
Electric cars, e-bikes, e-scooters: they all use lithium-based batteries, and they all seem to burn very well.
While many agencies and officials claim traditional cars are at higher risk of bursting into flames, we don’t seem to hear so much about them in the news.
Whatever the case, the fact remains that EV battery fires are VERY nasty.
So, question is: Why??
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8 February 2024 | Energy, How Does it Work?, Video |
Everything these days is powered by batteries: power tools, mowers, cars, etc.
But why does this even work?
A quick look at the power provided by lithium-based batteries should make even armchair techies cringe!
Something doesn’t add up… So, what’s the secret?
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4 April 2023 | Energy, How Does it Work?, Video |
Everything these days is powered by batteries: power tools, mowers, cars, etc.
But why does this even work?
A quick look at the power provided by lithium-based batteries should make even armchair techies cringe!
Something doesn’t add up…
So, what’s The Secret?
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13 October 2020 | Do-It-Yourself, How Does it Work?, Video |
After the failure of my $16 battery tab spot welder, I saw Kevin Dark’s DIY version.
But it wasn’t exactly what I needed, so I decided to build a modified version.
The Modified Dark Welder, or Dark Welder 2.0, has a foot switch that triggers a precise welding current pulse that is always the same length of time – no matter how long you hold down the button.
And in my new version, the button is now a foot pedal to keep your hands free.
The best part is: IT WORKS!
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15 September 2020 | Do-It-Yourself, Video |
I’ve been looking for a cheap battery tab spot welder for 18650 lithium-ion cells for awhile now.
The usual ones just aren’t worth the cost. For example, for half the cost of a welder, I could buy at least 2 brand new power tool battery packs.
Enter the $16.99 Portable Mini Spot Welder!
At that price, it was worth a shot…
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16 June 2017 | How Does it Work?, Video |
Ever wonder about the differences between alkaline, nickel metal hydride, and lithium-ion batteries? Wonder no more!
Alkaline batteries are great for their initial higher voltage, but the total current available drops off (along with the voltage) over time.
NiMH cells have a lower voltage, but it stays constant along with the available current.
And finally, lithium-ion batteries are in a class of their own: You can even get high C-rating Li-ion cells where you can safely pull even more current than the cell is rated at, and the voltage only drops a relatively small amount.
Watch the video for more details!
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21 April 2017 | Gizmos, How Does it Work?, SuperSaver, Video |
You’ve got a cordless power tool or two. And that means you’ve got some over-priced Li-ion battery packs to run them.
What about cheaper aftermarket packs?
Are they good? Are they crap? Are they worth it?
Find out in this action-packed video…
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21 June 2015 | Gizmos, How Does it Work? |
If you’ve got any kind of gizmo – laptop, tablet, e-book reader, cell phone, MP3 player, cordless screwdriver or drill, etc. – then you’re using lithium-ion batteries all the time.
Lithium-ion batteries, often abbreviated as Li-ion, are extremely common these days.
But what about so-called Lithium Polymer batteries, also called LiPo or Li-poly batteries? Are they really better?
If you believe the marketing folks, yes they are. But, as it turns out, you’ve been fooled just like me!
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