Collaborate Disseminate
There are a lot of things that get landfilled that have some marginal value, but generally if there’s not a huge amount of money to be made recycling things they …read more Continue reading Disposable Vape Batteries Power eBike
Electric scooters have long been a hacker’s friend, Xiaomi ones in particular – starting with M365, the Xiaomi scooter family has expanded a fair bit. They do have a weak …read more Continue reading Xiaomi M365 Battery Fault? Just Remove A Capacitor
Remember when dead batteries were something you’d just toss in the trash? Those days are long gone, thankfully, and rechargeable battery packs have put powerful cordless tools in the palms …read more Continue reading Ryobi Battery Pack Gives Up Its Secrets Before Giving Up the Ghost
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
If there’s anything people hate more than being locked into a printer manufacturer’s replacement cartridges, it’s proprietary batteries. Cordless power tools are the obvious example in this space, but there …read more Continue reading LiPo Replacement Keeps Portable Scanner in the Action
A lot of what real engineering is all about is designing to the limits of your materials, with a healthy margin for error. On the other hand, seat-of-the-pants engineering often …read more Continue reading Fail of the Week: Car Starter Motors Aren’t the Best Fit for eBikes
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
Perhaps the weakest point in modern electronics when it comes to user servicability is the lifecycle of the batteries included from the manufacturer. Without easily replaceable batteries, many consumer goods …read more Continue reading Adding A Battery To Extend Speaker Life
Batteries were once heavy, awkward things, delivering only a limp amount of current for their size and weight. Thankfully, over time, technology has improved, and in 2020, we’re blessed with capable, high-power lithium polymer batteries that can provide all the power your mobile project could possibly need. There are some …read more
Continue reading A Beginner’s Guide to Lithium Rechargeable Batteries
For the price of a mid-range Android phone, [Kenneth Finnegan] turned a 50 caliber ammo can into a 50 amp-hour portable power supply. The battery pack uses four 3.5 V LiFePO4 cells wired in series to achieve a nominal 12 V supply that stands in for a traditional lead-acid …read more
Continue reading Ammo Can Battery; 50 Ah LiFePO4 Clad in Army Green