(NiCd) A rechargeable battery technology that is widely used for portable hand tools. It uses a nickel and cadmium plate and potassium hydroxide as the electrolyte. Originally invented in Sweden ...

The nickel-cadmium battery was invented by engineer Waldemar Jungner in 1899. Even Thomas Edison got in on the battery game ...

Lithium-ion batteries have a higher energy density than lead-acid or nickel-cadmium rechargeable batteries, which means they ...

30 years ago, options were limited to lead acid, nickel cadmium, and nickel metal hydride batteries. These were heavy, with low current output, poor capacity, and incredibly slow charge times.

The nonprofit river advocacy group is accepting single-use alkaline and lithium (AA, AAA, C, D, 9-Volt) batteries; rechargeable nickel-cadmium batteries along with lithium ion and nickel metal ...