# How Big Of A Power Bank Do You Need To Fully Charge A Laptop?

> Most laptops' average battery life is about six to eight hours on a full charge, but some models are just built differently.

- **Source:** [SlashGear](https://www.slashgear.com/1880563/how-big-power-bank-fully-charge-laptop/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=684af53cb591cdb543e2c9d4)
- **Published:** 2025-06-12
- **Category:** Laptops
- **Tags:** #samsung #macbook #battery #galaxy #laptops #charge #hours #bank
- **Canonical:** http://localhost:4321/a/684af53cb591cdb543e2c9d4

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_GearOpen's distilled summary. The full original article is published at SlashGear (source link above); GearOpen does not republish the source's full text._