Ultralife's polymer electrolyte rechargeable lithium-ion batteries for usein the mobile electronics industry

Ultralife Polymer (TM) brand batteries for cellular phones as made by Nokia Mobile phones Incorporated were introduced in July 2000. Characteristics o f the UBC443483 cell and UB750N battery are described and related to the po wer and battery requirements of these cellular phones and chargers. Current , power, and pulse capability are presented as functions of temperature, de pth of discharge, and storage at the cell level. Safety protection devices and chargers are discussed at the battery pack level, as well as performanc e in cellular phones under various wireless communication protocols. Perfor mance is competitive with liquid lithium-ion systems while offering opportu nity for non-traditional form factors. (C) 2001 Elsevier Science B.V. All r ights reserved.