For B2B merchants selling power bank cases to international buyers, understanding airline regulations is not optional—it's fundamental to product viability. The 26800mAh capacity has emerged as a strategic sweet spot in the industry, and the reason is rooted in aviation safety regulations that govern lithium battery transport worldwide.
This regulatory boundary creates a clear market segmentation. Power banks below 100Wh (roughly 27000mAh) can be sold as 'airline-compliant' without additional documentation or buyer coordination with carriers. Products exceeding this threshold require airline pre-approval, adding friction to the purchase decision and limiting the addressable market to business travelers willing to navigate additional bureaucracy.
Power banks and cell phone battery charging cases must be in carry-on baggage only. They are prohibited in checked luggage. Spare batteries must be protected from short circuit.
For Southeast Asia merchants targeting business travelers, corporate procurement, and travel retail channels, the 26800mAh specification offers a compelling value proposition: maximum usable capacity without regulatory complications. This is particularly relevant for markets with high business travel volumes such as Singapore, Thailand, and Malaysia, where frequent flyers prioritize convenience and compliance.
100 Wh for permitted is 27 Ah (or 27,027 mAh to be more specific). But up to 160 Wh requires approval.
Beyond the basic 100Wh limit, merchants should be aware of regional variations. For example, flights through China now require CCC (China Compulsory Certification) marking on power banks effective June 28, 2025. Products without this certification will be prohibited from carriage on flights transiting Chinese airports—a critical consideration for Southeast Asia suppliers serving routes with China connections.
Make sure it's got the new CCC approval if you're flying through China. Effective June 28, 2025, power banks without CCC mark will be prohibited.
The practical implication for merchants is clear: 26800mAh represents the optimal balance between usable capacity and regulatory simplicity. For buyers on Alibaba.com searching for power bank suppliers, this specification signals that the supplier understands international trade requirements and has designed products with global mobility in mind.

