Category Archives: 18650

Old Laptop Gets New Lease on Life with Raspberry Pi

It seems not a day goes by that we don’t see somebody cramming a Raspberry Pi into some unwilling piece of consumer electronics. But despite being a pretty obvious application for the diminutive ARM board, we don’t often see it installed in an actual computer. Which makes this very clean …read more

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Posted in 18650, computer hacks, conversion, dell, laptop, Raspberry Pi | Leave a comment

Heavyweight Cyberdeck Is In A Class Of Its Own

Inspired by other builds he’d seen online, [BlastoSupreme] decided to build his very own cyberdeck. There was only one problem: he’d never designed and assembled anything like this before. Wanting to avoid any problems down the line, he reasoned that the safest approach would be to make it so big …read more

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Posted in 18650, 3D printed enclosure, cyberdeck, cyberpunk, Raspberry Pi, Raspberry Pi 4 | Leave a comment

What’s In A Name For A Tool Battery Pack?

Power tools have come a long way. It used to be you needed extension cords or a generator for your tools, but now you can get just about anything with a nice rechargeable battery pack. As it turns out, most of those packs are made by the same company, and …read more

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Posted in 18650, battery pack, makita, rayovac, teardown | Leave a comment

Fun-Size Tesla Might Be The World’s Smallest

We get all kinds of tips about “the world’s something-est” widget, which normally end up attracting the debunkers in droves. So normally, we shy away from making superlative claims about a project, no matter how they bill themselves. But we’re comfortable that this is the world’s smallest Tesla, at least …read more

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Posted in 18650, battery, BLDC, go cart, model S, replica, tesla, transportation hacks | Leave a comment

A Slightly Bent ESP8266 Sensor Platform

The ability to get professionally manufactured PCBs, at least small ones, for dirt cheap has had a huge impact on the sort of projects we see around these parts. It’s getting to the point where experimenting with PCB enclosures is not only a way to make your next project stand …read more

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Posted in 18650, environmental monitor, ESP8266, Microcontrollers, pcb enclosure, sensors | Leave a comment

A Modular System For Building Heavy Duty 18650 Battery Packs

With 18650 cells as cheap and plentiful as they are, you’d think building your own custom battery packs would be simple. Unfortunately, soldering the cells is tricky, and not everyone is willing to invest in a spot welding setup just to put the tabs on them. Of course that’s only …read more

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Posted in 18650, battery management, battery pack, electric vehicle, modular, parts, powerwall, transportation hacks | Leave a comment

Upgrades Give Crazy Cart XL a Few More X’s

Why should kids have all the newfangled fun? They shouldn’t! Quarter-life crises are on the rise, and those who can are spoiling their inner child with adult-sized Heelys and electric Mario Karts that can drift. [austiwawa] finally got his hands on a used Crazy Cart XL, and while it’s incredibly …read more

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Posted in 18650, crazy cart xl, drifting, electric go kart, misc hacks, transportation hacks | Leave a comment

An Exhaustive Guide To Building 18650 Packs

Most of us know the basics of building packs of lithium-ion batteries. We’re familiar with cell balancing and the need for protection circuitry, and we understand the intricacies of the various serial and parallel configurations. It’s still a process that can be daunting for the first-time pack-builder though, because the …read more

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Posted in 18650, battery pack, Li-ion, misc hacks | Leave a comment