What are the differences in batteries (chemistries)?
Nickel Cadmium (NiCad): Oldest type. Used on two-way radios for decades, most economical, suffers from “memory” effect. It has the lowest weight to energy density. They are heavy for a given capacity. Nickel Metal Hydride (NiMH): Higher capacity than NiCad’s, looses its ability to operate equipment rapidly when cold. They have a shorter lifespan than NiCad. Memory isn’t as much of a problem as NiCads. Still heavy. Lithium Ion (Li-Ion): One of the newest chemistries, along with Li-Polymer. It is the most expensive, but is the lightest. It has the highest weight to energy density. Some old NiCad batteries weighed as much as the radio or more! Li-Ion can significantly reduce the overall weight of the radio/battery package.
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