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mine took 20 minutes
Sorry, there was a problem. Please try again later.UPDATE - CORRECTION: Sorry for the confusion answering your question about the wireless keyboard included with this Lenovo IdeaCentre A540-27 All-In-One System. It will take approximately 2.5 hours to fully charge the keyboard's internal battery, using the included charging cable. A full charge of the keyboard should last approximately 2 to 4 weeks depending on levels of usage. The Lenovo IdeaCentre A540-27 All-In-One System does not have an internal battery. It must remain plugged into a power source to function.
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