Nickel - Cadmium technology

One of the best known and proven battery technologies, which is characterised by reliability and stability of parameters. For a long time - under pressure from the European Union - nickel-cadmium technology has been superseded by nickel - metal hydride, due to the fact that it is more environmentally friendly. Currently, the nickel-cadmium technology is only the focus of industries such as emergency lighting, power tools, as well as medical applications and the military.

Key features:
•    Quick and easy loading
•    A large number of charge / discharge cycles
•    Long shelf life
•    Simple storage and transportation

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niklowo kadmowe

Nickel-Metal Hydride (NiMH)

Nickel-Metal Hydride (NiMH) batteries have many features of Nickel - Cadmium (Ni-Cd) batteries. Given the significant similarity between the two technologies in structure/construction and manufacturing technology, NiMH batteries have quickly gained a large crowd of supporters. This has been possible due to the fact that the initial voltage on both types of electrodes is almost the same, and therefore it is possible to use both types of batteries interchangeably in electronic equipment.

Slight differences between the two chemical systems made it necessary to develop a dedicated charging system for NiMH batteries, especially for applications where quick charging is necessary.

It should be noted that the devices designed to charge NiMH cells can be successfully used for charging NiCd, but the opposite is not recommended - particularly for fast a charging process. Currently, most early disadvantages and defects of NiMH batteries have been eliminated, so they can already fully replace the older technology. Today's NiMH cells have almost twice the energy density of NiCd, if you compare cells of similar size.

Key features:
•    High energy density
•    Simple storage and transport
•    Good lifetime
•    Environmentally friendly

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