In multiple-cell batteries, the cells are arranged into a mixture of parallel and series arrangements, called a ‘configuration’. For instance, a typical 6-cell laptop battery could be ...

After finding Acer’s motherboard schematics online and doing a little reverse-engineering, [Tiziano] has found a way to reuse batteries from his dead laptop, not only saving the batteries from ...

The older and slower your laptop is, the more important it is to keep it maintained for optimum performance. Lithium-ion batteries all have a finite number of charge cycles before they start to ...

But what if you could carry a second battery with you, charge it outside of the laptop (maybe integrated USB-C), then toollessly swap at a moment’s notice? Or are external batteries just better ...