Nordeks knowledge centre
Practical, technically checked guidance for choosing lighting, batteries, chargers and electrical accessories for home, work and outdoor use.
Featured guide
Learn how to read both IP digits, what IP20, IP44, IP54, IP65, IP67, IP68 and IPX4 mean, why IPX20 is probably an error, and how to choose protection...
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Choose lumens for light output, watts for energy use, Kelvin for light colour, CRI for colour quality, beam angle for coverage and IP for environmental protection. Check all...
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Choose a headlamp by the beam and runtime you will actually use, then check weight, fit, controls, battery type and IP protection. Maximum lumens alone do not predict...
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Rechargeable batteries usually win in frequently used compatible devices; alkaline cells remain practical for low-drain or stored equipment. Compare voltage, chemistry, device compatibility and real cost per use—not...
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