The batteries used in C-Pen products are same kind as used on almost any other kind of handheld electronic - Lithium batteries. Typical battery lifetime is specified to 300-500 charge cycles or two to three years. To reach typical lifetime Lithium batteries need to be maintained properly. 

Read more about Battery maintenance.


If there is still a problem with the battery, there are two options.

  1. If the C-Pen warranty is still valid - contact your reseller and claim a replacement unit.
  2. If warranty no longer applies - contact C-Pen Helpdesk about repair. For more information - read Service and repair.