Lithium-ion BatteryGlobalstar's Lithium-ion Battery for Globalstar GSP 1700 satellite phone is rechargeable and can be used as a spare battery or replacement part. This battery is also compatible with the Spot Global Satellite Phone. *Chargers sold separately.Integrated circuitry protects against short circuit and overcharge conditions. This battery is UL recognized, CE certified, WEEE compliant and meets environmental directives.Specifications:Battery type: High-capacity Lithium-ionTalk time: 4 hoursStandby time: 36 hours