Nickel metal hydride
Rechargeable alternative to standard sizes

Nickel Metal Hydride technology is now the leading rechargeable chemistry available as individual cells and standard battery sizes.
In its standard sizes - AA, AAA, D, C, and 9V - it is
an excellent alternative to standard alkaline, especially in
high power devices such as: digital cameras, digital audio /
video, portable communications, and motor driven
applications.
It offers compatibility yet improved energy densities over
Nickel Cadmium and is thus seen as the
environmentally friendly replacement for it.
Diversification of the product portfolio offers further
alternatives to traditionally Nickel Cadmium applications
(e.g. high temperature and high rate discharge products).
Often overlooked when Lithium Ion is believed to be the required technology.
Available in cylindrical (eg. AA), battery (e.g. 9V) and coin formats.
Technical - Nickel Metal Hydride (NiMH) - IEC Code HR
The key features are:
- Secondary: rechargeable
- Operating voltage 1.25V
- Energy density 300Wh/l, 130Wh/Kg
- Temparture range -20°C to 60°C
- Cycle life (full cycles) 500-1000
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