When choosing a power bank for laptops, ensure it has a capacity between 20,000mAh and 27,000mAh, as this range supports sufficient charging power for your device.
Power banks above 27,000mAh cannot be taken on planes, aligning with TSA regulations—ensuring portability while accommodating powerful charging capabilities.
Despite high capacities, the actual delivery of power from a power bank may be less than advertised, meaning higher mAh ratings don't always equate to full charging capacity.
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