Welcome To The New Exocomm Technology Group

We stock all of the major batteries for all of the major radio lines. Since we manufacture our own batteries, we have more direct control over our inventory stocking levels. Should an item be temporarily out of stock, we will let you know, we will fill your partial order and send the rest of the order out as soon as possible.

The Unkown: Battery Chemistry

Lithium Polymer (Li-Polymer) -Like Lithium Ion, this chemistry has been growing in popularity. Lithium Polymer offers more flexibility in cell size and shape than Lithium Ion. It requires additional safety circuits and may be subject to shipping restrictions similar to the Lithium Ion. Again, the cost is higher than the traditional Nickel based batteries. This is the ideal chemistry when space and weight are a concern.

Lithium Ion (Li-Ion) -The fastest growing battery chemistry, Li-Ion offers high-energy density in a lightweight package. This chemistry is more expensive than the traditional Nickel based batteries and requires additional safety circuits to ensure voltage, current and temperature remain at a safe level. Along with being lightweight and smaller in dimension, Li-Ion cells do not require the maintenance of Nickel based batteries and rarely develop the “memory effect”. Because of safety concerns, Li-Ion batteries may be subject to shipping restrictions.

Nickel Metal Hydride (NiMh) -In terms of economics, the Nickel Metal Hydride is probably a close third. Modern NiMh batteries offer up to 80% higher capacities than their NiCd counterparts, have less tendency toward the “memory effect” and are more environmentally friendly. Of course, these are not without a trade-off. The NiMh battery offers lower cycle life and requires more sophisticated charging circuits.

Nickel Cadmium (NiCd) -One of the most common chemistries for many years, Nickel Cadmium offers a relatively inexpensive rechargeable choice for battery packs. They are typically used where long run times and temperature variances have posed a challenge. However, this battery does have some disadvantages, the best known of which is the “memory effect”, the formation of large crystals on the cell plates. In addition, the NiCd is not the ideal chemistry for an application where the battery is to remain on the charging system for extended periods of time and then only used occasionally. In addition, this chemistry is environmentally unfriendly and recycling procedures need to be followed to ensure the used batteries are disposed of properly.

 

Informational