We reviewed the Petzl Aktik Core in 2022, and it still ranks among our favorites in our best headlamps guide. Here we are looking at the Petzl Tikka Core. Some subtle differences have improved its ...

[esotericsean] gets around that by modifying his Game Boys with a USB rechargeable battery ... out the hole in the case to fit a micro USB port. The original battery housing is similarly carved ...

New series of ultra-low current power management ICs are optimizing charge and discharge of rechargeable batteries in remote ...

Sure there are pre-made kits to add a rechargeable battery and USB-C compatibility ... [HorstBaerbel] went with the more common micro USB version, but these boards are also available with USB ...

The fact is that today’s rechargeable batteries don’t love it when they are fully charged or run down too close to empty. For battery longevity, the sweet spot (remember that phrase ...

most rechargeable batteries used in phones are Lithium-based. They are either Lithium-ion (Li-Ion) and Lithium Polymer (Li-Po). The fundamental difference between a polymer lithium-ion battery and ...