Nickel-cadmium and nickel-metal hydride are alternatives ... It's a lot more cost-effective to use rechargeable batteries for toys and accessories than to burn through disposal alkaline batteries.
Nickel-cadmium batteries were the first widely used rechargeable batteries for household electronics and were popular through the end of the 20th century. But they had their pitfalls. Cadmium is ...
(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 ...
Cellphones of the past came equipped with rechargeable nickel-based batteries with (Ni-Cd and NiMH). In the past few years, however, most rechargeable batteries used in phones are Lithium-based.