Cuktech 15 Air fastest to recharge in lab tests

Power banks keep devices running on the go, and charging speed matters most for many users. Ten popular units were compared to measure how quickly each reached 50%, 80% and 100% charge. Testing used a HOBOware plug load logger to record the energy drawn from the wall while charging each power bank from 0% to 100% with a 70W USB‑C adapter.

Readings were taken every minute and summed into cumulative energy curves, which were then used to interpolate the times for the 50%, 80% and full‑charge milestones. Because input energy includes normal charging overhead, the figures reflect energy delivered to the charger rather than energy stored in the cells.

The Cuktech 15 Air charged the fastest, reaching 100% in 54 minutes and about 26 minutes to 50%, and it supports pass‑through charging. The Anker Prime earned an honorable mention: despite a much larger 250Wh capacity, it fully charges in 100.2 minutes (1.67 hours).

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