More about battery (489)

1-07-2008 | This project doesn’t use a microcontroller, nor even the slightest specialized integrated circuit (IC). In spite of this, it will look after...

1-07-2008 | The majority of dirt cheap ordinary chargers don’t include any regulation circuitry and so will over-charge a vehicle battery if you’re unwi...

1-01-2008 | The interesting thing about the Prius is that it can run for a limited period as an electrical vehicle (EV). Fine, but with the existing NiM...

1-01-2008 | The inspiration for this design came from the author’s experience with a mini model helicopter (from Silverlit). This particular model has a...

1-10-2007 | In order to induce energy transfer from the old batteries into the rechargeable ones, a voltage difference must be established. Obviously, w...

1-09-2007 | Elektor September 2007 comes with a board containing an LED booster circuit which you can try out for yourself. Although tiny, the board con...

1-07-2007 | The power supply system of zBot1 consists of two parts, the main accumulator and the auxiliary battery. The main power source was realised w...

1-07-2007 | At the time of writing, the latest AA NiMH (Nickel metal Hydride) batteries have a capacity of up to 2900 mAh. Using an original-type conven...

1-07-2007 | LiPo (Lithium Polymer) batteries have a number of advantages compared to NiCd and NiMH batteries. In addition to having a lower weight for t...

1-07-2007 | Using rechargeable batteries to power circuits is a proven method for providing energy to mains-independent equipment. A major disadvantage...