Product Description Flight delays, power outages, longer-than-expected trips. You can't always recharge your BlackBerry Bold 9700, Bold 9000, or Bold 9780 when you'd like to. But with an extra BlackBerry battery on hand, you can always talk, type, and work as long as you need to. Keep it in your briefcase or purse and stay connected, powered up, and ready to get the job done. BlackBerry batteries are designed to work optimally with your device, ensuring it is powered for longer and the battery sustains an optimal amount of charges. The BlackBerry 1550 mAh battery features a secure, cryptographic chip to ensure you're using a battery specially designed to work with your BlackBerry device. Your device will be powered longer and the battery will sustain a greater amount of charges with a BlackBerry battery. Product Specification Genuine battery protects your phone with built-in overcharging protection. Easy to carry, it can be recharged while in the phone. Dependable: Meets all regulatory compliance requirements. Safe: Built in overcharging protection. Compatible with: Blackberry Bold.