Collaborate Disseminate
The revolution in portable and cordless appliances has meant that we now own far fewer mains-powered gadgets than we might once have done, but it hasn’t entirely banished the old …read more Continue reading Power Tool Packs Make a Portable Powerhouse
There was a time when every gizmo on AliExpress also had a big white LED so it could also work as a flashlight, but maybe the power bank is the …read more Continue reading Half Power Bank, Half Spot Welder
Many readers will have at some time or another built their own lithium-ion battery packs, whether they are using tiny cells or the huge ones found in automotive packs. A …read more Continue reading A 48 Volt Battery Pack With Carefully Balanced Cells
As electric cars continue to see increased adoption, one associated technology that was touted long ago that still hasn’t seen widespread adoption is vehicle-to-grid or vehicle-to-home. Since most cars are …read more Continue reading Vehicle-to-Grid Made Easy
If you’ve travelling via bike, you’ll know there’s a certain advantage to packing light. But what if you need to take your beefy desktop-replacement laptop with you on one of …read more Continue reading E-Bike Battery Tapped For Off-Grid Laptop Power
Companies now are looking to secure revenue streams by sneakily locking customers into as many recurring services as possible. Subscription software, OS ecosystems, music streaming, and even food delivery companies …read more Continue reading Soldering Station Designed Around Batteries
These days, we’re all running around toting smartphones and laptops that could always use a bit more charge. Portable battery packs have become popular, and [Anuradha] has designed one that …read more Continue reading Hackaday Prize 2022: A Backup Battery Pack
When it comes to cordless power tools, color is an important brand selection criterion. There’s Milwaukee red, for the rich people, the black and yellow of DeWalt, and Makita has …read more Continue reading Ryobi Battery Hack Keeps CPAP Running Quietly
If you’ve ever worked with multi-cell rechargeable battery packs, you know that the individual cells will eventually become imbalanced. To keep the pack working optimally, each cell needs to be …read more Continue reading Fighting Back Against Dodgy Dyson Batteries
Batteries are amazing. Batteries are horrible. Batteries are a necessary evil in today’s world of portable everything. If you’re reading this sentence, even if it’s not on a mobile device, …read more Continue reading When Battery Rebuilds Go Wrong: Understanding BMSs, Spot Welders, and Safety