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Why does the Roborock Cordless Stick Vacuum Cleaner H7 take longer to charge in summer?

The Roborock Cordless Stick Vacuum Cleaner H7 features a sophisticated charging and discharging management system. In the heat of summer, the battery temperature may increase after use. To prolong battery life and ensure safe charging, the machine will wait for the battery to cool down before charging. As a result, the vacuum cleaner may take longer to charge in summer.


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