Below are the available bulk discount rates for each individual item when you purchase a certain amount
The Iridium 9555 Li-Ion Rechargeable Battery (BAT20801 or BAT21101) 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. To install a new 9555 battery as a replacement or spare, remove the current 9555 battery by lifting the top latch and pulling the battery forward. Install the new battery and charge for a minimum of 3 hours prior to use.