Device knowledge
Rechargeable is not the same as refillable.
Battery design and liquid-reservoir design describe different things.
THE JOURNAL
Notes, context & closer looks.
Original explainers and manufacturer-source notes. Read the details behind the device.
Component notes
Kit, pod, charging unit: three labels to keep separate.
The FOGER Switch Pro source pages illustrate why component names matter.
Device knowledge
What a puff count can — and cannot — tell you.
A number on a product page is an estimate, not a universal lifetime.