1. Move the computer mouse and see if the mouse cursor on the display moves smoothly. If there is a delay time when the mouse arrow moves, it indicates that the battery capacity is not enough and the battery should be replaced early.
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2. Move the computer mouse, if there is no reflection of the mouse arrow, it indicates that the power consumption is exhausted, and the battery must be changed before it can be applied
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3. Take out the computer mouse battery and measure the working voltage with a multimeter. The new battery is 1.5v, and it cannot work normally if it is lower than 1.5v
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4. Wireless mouse has a low-voltage alarm, when the low-voltage alarm (the receiver or mouse has LED flashing), it indicates that there is no power, to complete the charging wireless mouse has how much power.