A laptop battery, usually made of lithium-ion, weighs between 240g to 960g (0.5 to 2 pounds). The weight varies based on energy capacity. Batteries typically weigh about 3g to 8g per watt-hour. Most laptop batteries have a capacity of 80 to 120 watt-hours, which affects their overall weight.
The weight of a lithium-ion battery also affects the laptop’s performance and user experience. Lighter models provide better mobility for users who travel frequently. Specifications such as voltage and amp-hour ratings further define a battery’s efficiency and runtime. A 14.8V battery rated at 4000mAh, for example, will deliver a specific amount of energy suitable for average laptop operations.
Understanding laptop battery weight helps consumers make informed choices. This knowledge is essential when considering the balance between battery life and device weight. Next, we will explore how battery weight influences laptop design and the implications for user mobility.
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