Maglite’s used(?) to be the king of flashlights, but replacing those pesky D-cell batteries is kind of ridiculous in this day and age. So [Travis] decided to upgrade it to make use of the ...

This summer, we saw the WHY (What Hackers Yearn) event happen in Netherlands, of course, with a badge to match. Many badges these days embrace the QWERTY computer aesthetic, which I’m personally ...

Chicago-headquartered NanoGraf Technologies, which claims it has enabled the highest energy-density cylindrical 18650 Lithium-ion cell in the world, today announced that its battery has achieved a new ...

Tesla’s battery supplier Panasonic is considering switching 18650 battery cell production lines, which currently supply cells for Tesla’s Model S and Model X, to 2170 cell production, according to a ...

Group1 has made significant strides in battery technology with the introduction of the world’s first 18650 cylindrical potassium-ion battery. This innovative development could offer a viable ...

If you've owned a laptop for a few years, you've no doubt encountered the problem that the battery eventually loses its ability to hold a charge. Generally what happens is that one or more of the ...

Recently I bought a few portable power supply devices to run my little microcontroller projects. There are countless variants of portable power supply devices that can be used to power up most ...

In this video I've build a 3 cell RC battery pack out of 18650 cells. This is an inexpensive way to get decent battery pack for your models. It can be even cheaper if you manage to source the cells ...