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Just over 16 hours on a single 5,000mAh charge: that is what the JisuLife Life10 S, a CDN $25 handheld fan available at Costco and $32.99 through Amazon, delivered at half power in field testing across baseball games, concerts, and hikes.
Dyson's HushJet Mini Cool, priced at $99.99 and the company's first personal handheld fan, lasted just over one hour at full power in the same testing period; Dyson estimates a ceiling of six hours at the lowest setting.
Battery numbers, reconciled At half power, which the reviewer found sufficient for cooling on the hottest days, the Life10 S ran just over 16 hours.
Dyson's own projection for the HushJet Mini Cool at lowest speed is six hours. Those are not directly comparable conditions.
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