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What Does NiMH Mean and How Is It Related to Cameras and Photography?

When talking about modern cameras the acronym NiMH is the name given to a common type of rechargeable battery found in many digital cameras and flash units. NiMH stands for ‘nickel-metal hydrate’ and relates to the materials used within the battery to provide an electrical output. NiMH batteries typically have two or three times the charge capacity of their NiCad counterparts making them an excellent choice for power sapping equipment such as speedlights. NiMH batteries are available in common battery sizes such as AAA or AAA and can therefore be used in many electrical appliances.