This circuit is an alternative to expensive battery chargers, the trick to lower the cost is to buy a cheap battery charger and expand it with an automatic charge breaker circuit such as the one ...

Batteries based on the nickel-metal-hydride (NiMH) and lithium-ion (Li-ion) chemistries have largely replaced the older nickel-cadmium (NiCd) battery in many of today’s applications. Still, NiCds are ...

Care must be exercised when you try to “quickly” charge a nickel-cadmium (NiCd) cell or battery pack at a current density that approaches or exceeds one-third of its capacity (C/3). As the battery ...

We may receive a commission on purchases made from links. Ryobi has been making battery-powered tools for a long time. The company has produced several generations of cordless products, with a marked ...

I'm not sure ... I have an old Sharp 8mm vidcam and it came with NiCad battery and a charger ... recently I wanted a new battery and found awesome NIMH ... I called Sharp support up, they said clearly ...

Thanks to reader Tim Asquith for sharing this project to enable correct charging of batteries: he has modified a Timeguard TG85 Dawn to Dusk Sensor to a 1 to 24 hour NiCad battery charger timer ...

This automatic NiCd charger for 9V NiCd batteries is using 555 timer properties and is very easy to build. Why is an automatic 9 volts NiCd battery charger? Because you can leave the battery for ...