General keyboard display out of power to charge. If the keyboard is a built-in lithium battery, then the use of lithium battery and mobile phone is the same, is the need for the first three times of charging time is slightly longer, usually with the charge can be used if you have been useless, then you need to charge the device once a month or so, so as to avoid the built-in battery into hibernation period, can not be charged.
Generally speaking, the wireless keyboard uses a No. 7 battery, which can be replaced