Ethan Wu, Electronics Desk

Editorial desk for ChinaSecurely electronics sourcing topics: testing, components, certification documents, samples, batteries, firmware, and quality control.

Shipping Lithium Batteries from China by Air: The Rules Small Importers Actually Need

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Checklist for shipping lithium batteries by air from China showing key requirements

Short Answer Not all lithium batteries are treated the same way, and whether you can ship them by air depends on the battery type, capacity, and how they are packed. Small lithium ion batteries (like those in power banks and most consumer electronics) can be shipped by air, but they must meet specific UN testing … Read more

‘Dead on Arrival Chargers from China: What Normal Looks Like and Who Pays’

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DOA protection checklist for importing chargers from China

A small percentage of dead-on-arrival (DOA) units is normal in consumer electronics sourcing — but 5% is on the high end of acceptable, and anything above that points to a problem with the factory’s quality control, packaging, or the shipping conditions. The buyer usually bears the cost unless you have a written agreement that says … Read more