| Lithium coin cells in the 2032 format and similar batteries are commonly used as “keep-alive” energy sources to maintain data and keep clock...
All items tagged with Battery and Battery charger (86)
| It may seem unbelievable, but in the midst of the microcontroller era, taper battery chargers are still on the market. They are basic, very...
| In the previous installment, we described how a taper battery charger works and how to protect it. In this second part, we’ll see how to add...
| When a battery-operated device can also recharge its batteries, it can be useful to measure its instant and average current in both directio...
| Need a charger for your new and used Li-ion batteries? Build your own without a microcontroller. No software required!
| To display for a device which have discharging and charging capability, the instant and average current in both direction, from 2A to 100uA....
| With modern batteries based on the alkali metal lithium, the storage of electrical energy has become more convenient but, at the same time,...
| Battery-powered power tools have taken over the world. However, batteries require chargers that tend to break or get lost or that are contin...
| Long ago, before semiconductors became run-of-the-mill, a small neon lamp and a capacitor were used to generate a sawtooth…
| A well-known electronics store has been selling a very simple lead-acid battery activator for many years. Although I can't prove it, my lead...