GPB-1700 Lithium Ion BatteryDelivers ample power to the GSP-1700 satellite phone. Provides 4 hours talk time, 36 hours standby time. High-capacity Lithium-ion technology with integrated circuitry protects against short circuits and overchargingThe Globalstar Phone Battery provides power to the Globalstar GSP-1700 satellite phone. The battery can be recharged while in the phone using the GWC-1700 Wall Charger or GVC-1700 Vehicle Charger, or in the GAC-1700 Auxiliary Battery Charger (all sold separately).Features:4 hours talk time, 36 hours stand byHigh-capacity Lithium-ion technologyIntegrated circuitry protects against short circuit and overcharge conditionsUL recognized and CE certifiedMeets environmental directives WEEE compliantUse of any accessories not approved by Globalstar will invalidate the phone warranty and may be dangerous. All specifications subject to change without notice.OPERATING TEMPERATURE-20 to +50° C-4 to +140° F StorageTEMPERATURE-20 to +50° C -4 to +122° FOUTPUT CURRENT1500 mAINITIAL CAPACITY2500 mAh