What’s happened? A viral power bank just went from backpacker favorite to potential safety hazard. An examination by Lumafield shows that the widely sold Haribo 20,000 mAh power bank (and earphones) has serious internal battery defects, which likely led to its removal from online stores.

The scans revealed misaligned battery cells, with electrodes folded or warped instead of stacked flat.

Layers inside the cells showed irregular geometry and uneven wrapping, indicating poor quality control.

Lumafield found that the Haribo earbuds also contain poorly built battery cells with defects similar to the power bank.

Uneven edge alignment in the Haribo 20,000mAh power bank / Lumafield

This is important because: Haribo power banks became a hit among travelers and backpackers because of thei

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