User Manual Q&AAnswer
Apr 05, 2025 - 05:02 AM
According to the instruction manual, it takes approximately 5 hours to fully charge the battery of the TRiSTAR SZ-1990 Cordless Stick Vacuum Cleaner. During charging, the LED indicator on the vacuum cleaner will flash, and once the battery is fully charged, the LED will stay illuminated. It is recommended to fully charge the battery before the first use.
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