Primary batteries; they generate energy in a process of irreversible chemical reactions. They are not rechargeable.
Secondary batteries; the chemical reactions that produce their energy are reversible. When the terminals receive current, the reactions inside are inverted and the battery is being recharged.
For NiCd and NiMH rechargeable batteries.
Long term money saver by using an innovative lighting solution - LED lighting.
The most widely used source of independent light, providing a great variety of models.
Writeable CDs and DVDs - long term storage for music, films, software, etc
Over 5000 different types of lighting sources (light bulbs) provide the light we need today, ranging from home to medical and high-tech applications.
Watertight protective cases, for those who are using or transporting hi-tech equipments in extreme conditions (shock&vibrations, underwater)
Electrical accessories, other products.