| LiPos are becoming the cell of choice for a growing range of mobile applications. What exactly are 2s, 3s and 4s battery packs and why do th...
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| Mili launched the Power Skin for iPhones doubling your iPhone battery life. It's the world's thinnest external battery and protective case f...
| Here’s how three Elektor readers came up with an idea for a fully automatic fast charger to keep the batteries in prime condition. This low-...
| These days many components and microcontrollers are designed for low-voltage operation and can be powered directly from a battery. For vario...
| Carbon Nanotubes are VERY TINY cylindrical shaped carbon molecules. And when I say very tiny, I mean in the nanometer-scale (hence the name)...
| A battery pack is only as strong as its weakest cell. This intelligent battery checker will determine the state of cells so that an optimal...
| For the solar panel test, which was published in the July 2009 issue, we also asked for a number of smaller solar panels. These small panels...
| At the beginning of the twentieth century the internal combustion engine started to take over from electrically-powered vehicles. Now, a hun...
| This circuit was originally designed for monitoring the charge status of the batteries in a solar-powered water feature. However, it can be...
| The self-balancing single-axle DIY electrovehicle uses sealed lead acid (SLA) batteries for power. You can of course use the supplied charge...