A wireless communication device (200) and method (300) adapted to prolong the useful life of an energy storage device is disclosed. In its simplest form, it can include: determining (310) a limit temperature discharge energy rate of an energy storage device; sensing (320) a temperature range threshold...http://www.google.de/patents/US7978088?utm_source=gb-gplus-sharePatent US7978088 - Device and method to prolong the life of an energy source