| During the past year the author has built a standalone solar panel system, which included the construction of the panels themselves. Such a...
More about charger (143)
| This circuit came about as the result of an urgent need for a NiMH battery charger. No suitable dedicated IC being immediately to hand, the...
| I never ended up with an empty phone while riding my bicycle. But I can imagine two scenarios where charging your phone while riding your bi...
| 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-...
| 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...
| The self-balancing single-axle DIY electrovehicle uses sealed lead acid (SLA) batteries for power. You can of course use the supplied charge...
| The BQ24013 is a simple-to-use charge controller suitable for use with lithium-ion and lithium-polymer batteries. A major advantage it has i...
| Using the BQ24002 from Texas Instruments it is possible to build a simple and small charger module for single lithium-ion (Li-ion) cells. Th...
| It takes only a handful of components to build our intelligent regulator. It uses a PIC 12C671 microcontroller, which has the double advanta...
| This simple circuit can be used to charge batteries from a solar cell array. The circuit consists of an oscillator, a DC-DC step-up or ‘boos...