Iridium  9505A, BAT0401, BAT0601, BAT0602 Satalite Phone Rechargeable Replacement Battery Replaces  3.7V BATTERIES: BAT0401, BAT0601, BAT0602 FITS Following Iridium  9505A Satalite Phone Battery Type: Li-ion Battery Voltage: 3.7V Battery Capacity: 2800mAh (Extended battery for longer life) IS YOUR AH RATING IS DIFFERENT? The AH (Amp Hour) Rating is the storage (or fuel) of the battery, the higher it is the longer the battery lasts between charges, bit like petrol in your car so a higher or lower one makes no different to the performance, just the length of time you can use the battery for between charges. Colour: N/A