We’re all used to it by now, but I’d just like to reflect on how insanely power-packed lithium ion batteries...
batteries
After the previous attempt of running a PC off AA cells got a lot of comments, decided to do the...
The presentation What happens when your rig goes to the shack in the sky? This webinar will look at what...
and of Lumafield recently visited with to share their battery quality report, which documents their findings after performing X-ray computed...
The increasing dominance of lithium cells in the market place leave our trusty NiMH cells in a rough spot. Sure,...
Calendar aging of NMC Li-ion cells at 50 ℃ at various SoCs. (Credit: Wiljan Vermeer, IEEE, 2021) With batteries being...
This summer, we saw the WHY (What Hackers Yearn) event happen in Netherlands, of course, with a badge to match....
These days just about any battery storage solution connected to PV solar or similar uses LiFePO4 (LFP) batteries. The reason...
Friends, I’ve gotten myself into a pickle and I need some help. A few years back, I decided to get...
Release Date: December 6, 2025 Here is a summary of the news trending…This Week in Amateur Radio. This week's edition...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
Release Date: December 6, 2025 Here is a summary of the news trending…This Week in Amateur Radio. This week's edition...
Sometimes it makes sense to go with plain old batteries and off-the-shelf PVC pipe. That’s the thinking behind ’s clever...
Heating things up is one of the biggest sources of cost and emissions for many industrial processes we take for...
It’s a well-known factoid that batteries keep getting cheaper while capacity increases. That said, as with any market that is...
If we asked you to think of a device that converts a chemical reaction into electricity, you’d probably say we...
The proliferation of affordable lithium batteries has made modern life convenient in a way we could only imagine in the...
There are many rechargeable battery chemistries, each with their own advantages and disadvantages. Currently lithium-ion and similar (e.g. Li-Po) rule...
has a video in which a wide variety of AA cells are analyzed and compared in terms of capacity, internal...
Release Date: January 11, 2025 Here is a summary of the news trending…This Week in Amateur Radio. This week's edition...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
Researchers have been testing a new type of lithium ion battery that uses single-crystal electrodes. Over several years, they’ve found...
It’s perhaps not fair, but even if you have the best idea for a compelling video, few things will make...
We don’t know much more than what we see with ’s battery loader design (video embedded below) but it just...
Ever want a seriously powerful PCB for charging a Li-Ion pack? Whatever you want it for, has got it —...
