ArticleNo/ P/N: BA2702200 Radiotype: 9575 BAT51601 High Capacity Battery for use with Iridium 9575 3680 mAh Compatibility: Iridium Extreme (9575). Capacity: 3,680 mAh. Voltage: 3.7 V. Talk Time: 6 hours. Standby Time: 43 hours. Charge Time: 6.5 hours. Price request