An information terminal driven by a battery disclosed herein comprises: a voltage detector configured to detect a battery voltage which is a voltage of the battery; a drive unit configured to be driven upon receiving a supply of a power source from the battery; a load calculator configured to calculate a load on the battery of the drive unit; and a battery remaining capacity calculator configured to calculate a battery remaining capacity based on the battery voltage, the battery remaining capacity calculator calculating the battery remaining capacity corrected based on the load calculated by the load calculator.

 
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