User Manual Q&AAnswer
Apr 12, 2025 - 12:28 PM
The charging time for the onn WIAWHT100097966 4000mAh Magsafe Portable Battery depends on the power output of the USB charger adapter you are using. It is recommended to use a USB charger adapter with a rated power output of 20W. However, the manual does not provide specific information on the charging time. Generally, it can take a few hours to fully charge a 4000mAh battery with a 20W charger. It is important to note that the battery pack should be recharged when it is less than 25% to maintain optimal performance.
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