A mature and well understood technology which remains the most cost effective in many applications. Despite being limited by EU Regulations, it is still an acceptable solution for power tools, medical applications, emergency lighting and specialist industrial devices.
Available in cylindrical (eg. AA) and battery (e.g. 9V)
Applications are: emergency lighting, power tools.
Technical - Nickel Cadmium (NiCd) - IEC Code KR
The key features are:
- Secondary: rechargeable
- Operating voltage 1.25V
- Energy density 200Wh/l, 75Wh/Kg
- Temperature range -40°C to 60°C
- Cycle life (full cycles) 1000+