Iridium 9555 Battery - BAT20801 The Iridium 9555 Li-Ion Rechargeable Battery is designed to be charged while inside the Iridium 9555 satellite phone. It can be used as a replacement for the 9555 battery or as a spare battery for extended travel. Part Number: BAT21601 Share Buy $219.00 Features Specifications: Compatibility: Iridium 9555 Capacity: 2,300 mAh Voltage: 3.7 V Talk Time: 3.2 hours Standby Time: 30 hours Charge Time: 3 hours Weight: 65 g (2.3 oz) Iridium P/N: BAT21601 Box Includes Battery Shipping Details Shipping cost for item: $12.00