Collaborate Disseminate
When it comes to portable power, lithium-ion batteries are where it’s at. Unsurprisingly, there’s a lot of work being done to better understand how to maximize battery life and usable …read more Continue reading Researchers Find “Inert” Components in Batteries Lead to Cell Self-Discharge
Lithium batteries have, nearly single-handedly, ushered in the era of the electric car, as well as battery energy storage of grid power and plenty of other technological advances not possible …read more Continue reading Copy and Paste Lithium Battery Protection
Lithium-ion and lithium-polymer rechargeable batteries have given us previously impossible heights of electronics power and miniaturization, but there’s a downside they have brought along with them. When a battery pack …read more Continue reading Fool a Drone With a Fixed Battery
In USB-C Power Delivery (PD) standard, the PPS (Programmable Power Supply) mode is an optional mode that lets you request a non-standard voltage from a charger, with the ability to …read more Continue reading Use USB-C Chargers To Top Up Li-Ion Packs With This Hack
Say, you’re starting your electronics journey with a few projects in mind. You have an ESP8266 board like the Wemos D1, a LiIon battery, you want to build a small …read more Continue reading Battery-Powered ESP8266 Sensor? Never Been Simpler
There are no weird, specialized components nor esoteric sleep mode tricks behind the long battery life of [Zak]’s WiFi mail slot watcher. Just some sensible design and clever focus on …read more Continue reading Snail Mail Notifier’s Simple Power Management To Maximize Battery Life
Working on car electrical systems used to be easy. The battery simply provided power for the car’s starter motor when starting or to run the small number of accessories when …read more Continue reading Car Batteries: More than Just Wet Lead
An iPhone 8, now a relatively cheap model, can charge its battery fully in two hours’ time. There’s hardly ever a need for faster charging, but it’s fair to ask …read more Continue reading Just How Fast Could You Charge An iPhone?
DIY spot welders often use high-powered components that can be a bit frightening, given the potential for dangerous malfunctions. [Wojciech “Adalbert” J.] designed his capacitive discharge spot welder to be …read more Continue reading Hackaday Prize 2022: A Not-So-Smart Spot Welder
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