I salvaged a large batch of 18650 cells from old laptop batteries and needed a way to figure out which ones were still worth using. In this video I walk through a 4-channel 18650 charger, discharger, ...

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 ...

Look around you and list out the first 10 electronic appliances that you see. Chances are very high that all 10 of them use a USB-C port, especially if they have been manufactured in the last two to ...

The Xiaomi 17 Ultra was recently released in China. The latest leak from the rumour mill revealed the price of this device in Europe. According to the leakster @MysteryLupin, who posted on X, the ...

Abstract: Lithium-ion batteries (LiBs) are being widely used in applications ranging from mobility to energy storage devices. Therefore, an efficient battery management system (BMS) is required for ...

The Samsung Galaxy S26 Plus’ TUV certification has been spotted, revealing key battery and charging specifications. The rated battery capacity for the upcoming midsize flagship matches that of its ...

Oppo Find X9 Ultra is likely to arrive as third model in Find X9 series It is said to feature a quad rear camera setup Oppo Find X9 Ultra is speculated to come with a 6.8-inch screen ...

The new research, supported by the Russian Science Foundation, paves the way for development of more efficient batteries. (Representational image)VCG/Sameer Researchers in Russia have improved the ...

“This battery monitor reports to my phone as soon as I get into Bluetooth range.” The Ancel 12V Car Battery Tester is $24, $16 off its $40 list price. That’s a sizable discount on a device that could ...

We may receive a commission on purchases made from links. It's not uncommon to have more than one power tool brand in your garage. After all, not all tools are created equal. Some are designed for ...