Spare batteries are worth their weight in gold. Those super long meeting, connecting flights most likely leaves your Blackberry on its last leg of juice. With a spare F-M1 you will never have to worry about finding a charge outlet again. With an extra battery you have the freedom to stay connected throughout your work day and well on into the night without being tethered to a charging outlet again. Blackberry genuine OEM batteries are the only recommend battery to work with your devices; they are designed to optimize your Blackberries power consumption and hold a charge as well as can handle more charging over their lives. This is precisely why your Blackberry battery uses a cryptographic chip to ensure its authenticity. BlackBerry F-M1 Battery Features: The cryptographic chip feature is branded by a ‘closed lock’ symbol on the battery; This ultimately ensuring that this battery is compatible with your device.
Blackberry OEM Part Numbers: F-M1 / FM1 / BAT-24387-004 / BAT24387004 This OEM Blackberry F-M1 battery is made by Blackberry and is rated at 1150 mAh and is directly compatible with the Blackberry Pearl 3G 9100 series as well as the Blackberry Style 9670 devices.