Self Diagnostic Nickel–Metal Hydride (NiMH) Green Letter Emergency Lights
Emergency LightsNot all emergency light fixtures are equal. Our manufacturers build each light to serve a variety of needs. There are Self Testing Emergency Lights, which can save you time on mandated testing. There are NEMA Certified Emergency Light fixtures, Explosion Proof fixtures, Concealed lights, Combo Exit Lights and even more. Within our inventory of emergency lights, selected from top manufacturers, you’ll find the perfect light for your facility. Don’t know what the perfect light for you is? You can browse our huge selection, or you can get some help from our team. Our people have been in this business for over thirty years, and they’re happy to talk about emergency light fixtures and much more. After all, emergency light is sort of our thing.
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Nickel–Metal Hydride (NiMH)
NiMH batteries can have two to three times the capacity of an equivalent size NiCd, and their energy density approaches that of a lithium-ion cell. Nickel–Metal Hydride batteries are good for high current drain applications because of their low internal resistance.
The disadvantage of NiMH batteries is their high rate of self-discharge. NiMH batteries typically lose 4% of their charge per day of storage. LSD NiMH batteries significantly lower self-discharge, but at the cost of lowering capacity by about 20%.