AA batteries are usually in the 1.2V to 1.5V range, depending on the exact battery chemistry. For example, Nickel-Cadmium (NiCd) batteries have a nominal voltage of 1.2V and alkaline batteries ...

The nickel-cadmium battery was invented by engineer Waldemar ... When smaller batteries came along, they were designated AA ...

(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 ...

As part of upcoming National Battery Day ... is accepting single-use alkaline and lithium (AA, AAA, C, D, 9-Volt) batteries; rechargeable nickel-cadmium batteries along with lithium ion and ...