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Li-Ion (Lithium Ion) is a widely used type of rechargeable battery known for its high energy density, lightweight design, and long cycle life. Common in smartphones, laptops, tablets, electric vehicles, and other portable electronics, Li-Ion batteries store and release energy by moving lithium ions between the positive and negative electrodes. They offer fast charging, low self-discharge, and consistent performance but require built-in safety mechanisms to prevent overheating or overcharging. Compared to older battery technologies, Li-Ion provides a better balance of power, portability, and durability, making it the standard choice for modern electronic devices.
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