This Part Number is no longer available. The New Higher Capacity version can be found here
The Rechargeable Li-ion Battery (BAT0601) battery for the Iridium 9505A portable phone.
Battery charge time to 90% capacity is 3 hours when charged in an Iridium 9505A handset at 25 C (77 F) with a compatible charger. For optimum performance, only charge your battery at temperatures between (32F) and 40C (104F). Fast charge will be complete in about 3 hours 15 minutes.