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Oxva VPrime: what 2600 mAh actually covers
Oxva VPrime: 2600 mAh, 60 W, USB C charging. The calculation that links those figures to a runtime, and what the pod chosen changes in the result.
The reference points that last.
The market21700 mod: why the format took over box mods
Why UK makers moved from 18650 to 21700, what the larger cell changes in runtime and bulk, and how single and dual battery mods split the market.
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Oxva VPrime: 2600 mAh, 60 W, USB C charging. The calculation that links those figures to a runtime, and what the pod chosen changes in the result.
Data
Coolfire Z80: 80 W advertised, one 18650 cell, USB C charging. What arithmetic says about the power actually sustainable and about runtime.
The market
Centaurus BT200: 200 W, two 18650 cells, 5V/2A charging. What those figures become once converted into energy and a calculated runtime.
Explainers
How to read a vape battery charger listing: working out charge time from the amp figure, how bays share current, and what a charge costs in cycles.
Data
How to read a 21700 battery listing: turning mAh into watt hours, estimating runtime by arithmetic, and reading the discharge line properly.