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Battery type refers to the specific chemistry and design used in a battery to store and deliver electrical energy. Common battery types include Lithium-ion (Li-ion), known for high energy density and widespread use in smartphones and laptops; Nickel-Metal Hydride (NiMH), often used in cameras and power tools; Nickel-Cadmium (NiCd), known for durability but less common due to toxicity and memory effect; and Lead-Acid, used mainly in vehicles and backup power systems. Each battery type varies in characteristics such as energy capacity, weight, lifespan, rechargeability, and environmental impact, making it important to choose the right type for a specific application.
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