A ROG Ally Battery Mod You Ought To Try

Today’s hack is an unexpected but appreciated contribution from members of the iFixit crew, published by [Shahram Mokhtari]. This is an ROG Ally Asus-produced handheld gaming console mod that…

Tearing Into A Sparky Sandwich

We’re still in the early days of modern EV infrastructure, so minor issues can lead to a full high voltage pack replacement given the lack of high voltage-trained mechanics. [Ed’s Garag…

Ultimate Power: Lithium-Ion Batteries In Series

At some point, the 3.6 V of a single lithium ion battery just won’t do, and you’ll absolutely want to stack LiIon cells in series. When you need high power, you’ve either got to i…

Lithium-Ion Batteries Power Your Devboards Easily

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 trip to a nearby beach. Problem? We wanted to chat through…

A Vanadium Redux Flow Battery You Can Build

Vanadium flow batteries are an interesting project, with the materials easily obtainable by the DIY hacker. To that effect [Cayrex2] over on YouTube presents their take on a small, self-contained f…

Harvard Claims Breakthrough In Anode Behavior Of Solid State Lithium Batteries

One of the biggest issues facing the solid-state lithium-based batteries we all depend upon is of the performance of the anode; the transport of lithium ions and minimization of dendrite formation …

A Simple Hack For Running Low-Power Gear From A USB Battery Pack

We’ve all been there. You’ve cooked up some little microcontroller project, but you need to unhook it from your dev PC and go mobile. There’s just one problem — you haven&#8…

Power Tool Packs Make A Portable Powerhouse

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 AC outlet fr…

Upgrading At Least One Component Of A TI Calculator

Even though Texas Instruments were the first company to produce an integrated circuit and a microprocessor, their success as a company in the 60s and 70s was not guaranteed. At the time there wasn&…

AI On The Hunt For Better Batteries

While certain dystopian visions of the future have humans power the grid for AIs, Microsoft and Pacific Northwest National Laboratory (PNNL) set a machine learning system on the path of better soli…

Betavoltaic Battery Rated To Provide Power For 50 Years

A newly introduced battery called the BV100 by Chinese Betavolt Technology promises to provide half a century of power, at 100 μW in a 15x15x5 mm package. Inside the package are multiple, 2 micron-…

Succulents Into Supercapacitors

Researchers in Beijing have discovered a way to turn succulents into supercapacitors to help store energy. While previous research has found ways to store energy in plants, it often required implan…

Aqueous Battery Solves Lithium’s Problems

The demand for grid storage ramps up as more renewable energy sources comes online, but existing technology might not be up to the challenge. Lithium is the most popular option for battery storage …

Building A Rad Super Capacitor RC Plane

[Tom Stanton] is a fan of things like rubber band planes, and has built many of his own air-powered models over the years. Now, he’s built a model powered by a supercapacitor for a thoroughly…

Open Source DC UPS Keeps The Low-Voltage Gear Going

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 such. The…

Tesla’s Plug Moves Another Step Closer To Dominance

Charging an EV currently means making sure you find a station with the right plug. SAE International has now published what could be the end to the mishmash of standards in North America with the J…

Recycling Batteries With Bacteria

Vehicle battery recycling is going to be a big deal with all the electric cars hitting the roads. What if you could do it more effectively with the power of microbes? (via Electrek) “Li-ion&#…

Second Life UPS Mark II: A UPS For Low-Voltage DC Applications

When you have a whole stack of devices and appliances that all have an AC to DC adapter and which you’d like to put on an uninterruptable power supply (UPS), you could do the obvious thing an…

Mods Turn Junk UPS Into A Long-Endurance Beast

If you’ve got a so-called uninterruptible power supply (UPS) on your system, you’re probably painfully aware that the “uninterruptible” part has some pretty serious limits. …

A 48 Volt Battery Pack With Carefully Balanced Cells

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 popular choice it to salvag…