Collaborate Disseminate
You can salvage lithium 18650 cells from all sorts of modern gadgets, from disposable vapes to cordless power tools. The tricky part, other than physically liberating them from whatever they …read more Continue reading Handheld 18650 Analyzer Scopes Out Salvaged Cells
Aside from their ability to operate fairly well in extreme temperatures, lead-acid batteries don’t have many benefits compared to more modern battery technology. They’re heavy, not particularly energy dense, have …read more Continue reading A Modern Battery For a Classic Laptop
We don’t know much more than what we see with [Kounotori_DIY]’s battery loader design (video embedded below) but it just looks so cool we had to share. Watch it in …read more Continue reading Swapping Batteries Has Never Looked This Cool
For those willing to put some elbow grease into it, there is an almost unlimited supply of 18650 lithium ion batteries around for cheap (or free) just waiting to be …read more Continue reading Connecting (And Using) High-Capacity Batteries in Parallel
Last summer, I was hanging out with a friend from Netherlands for a week, and in the middle of that week, we decided to go on a 20 km bike …read more Continue reading Lithium-Ion Batteries Power Your Devboards Easily
We all like to keep our network gear running during a power outage — trouble is, your standard consumer-grade uninterruptible power supply (UPS) tends to be overkill for routers and …read more Continue reading Open Source DC UPS Keeps the Low-Voltage Gear Going
It’s really quite unfortunate that Hackaday/Supplyframe employees and their families are not allowed to place in the 2023 Halloween Hackfest, because our own [Tom Nardi] has thrown down a costume …read more Continue reading 2023 Halloween Hackfest: Converted Proton Pack Lights Up the Night
What do you do when you find a nice corded phone with giant buttons out in the wild? You could pay $80/month for a landline, use a VOIP or Bluetooth …read more Continue reading Dial Up a Tune On the Jukephone
By now, we’ve gone through LiIon handling basics and mechanics. When it comes to designing your circuit around a LiIon battery, I believe you could benefit from a cookbook with …read more Continue reading Lithium-Ion Battery Circuitry Is Simple
In the first article, I’ve given you an overview of Lithium-Ion batteries and cells as building blocks for our projects, and described how hackers should treat their Lithium-Ion cells. But …read more Continue reading Lithium-Ion Batteries Are Easy To Find