circuiteasy.com
Charger - Electronics Project and Circuit
Ni Cd Battery Charger The nickel-cadmium battery is a popular type of rechargeable battery for portable electronics and toys using the metals nickel (Ni) and cadmium (Cd) as the active chemicals. They are sometimes used as a replacement for primary cells, such as heavy duty or alkaline, being available in many of the same sizes. It is commonly used …