BlackBerry C-S2 1000mAh Standard Battery for 8330 (Curve), Curve, 8310 (Curve)

Flight delays, power outages, longer-than-expected trips. You can't always recharge your smartphone 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 bag or briefcase 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 CS-2 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.
NOTE: BATTERY MUST BE CHARGED FOR AT LEAST 8 HOURS PRIOR TO USE.
BlackBerry: 8300 (Curve), 8310 (Curve), 8320 (Curve), 8330 (Curve), 8520 (Curve), 8530 (Curve), 8700c, 8700g, 8700r, 8703e, 9300 3G (Curve) 

BlackBerry D-X1 Standard Battery for Storm

Nobody plans to fail, but a lot of us fail to plan. Keeping an extra battery, charged and handy, is a good plan anytime. Long flights and longer meetings, power blackouts and transit snarls - an extra battery gives you the power to keep on communicating, come what may. Only genuine BlackBerry smartphone batteries work best with your device, holding their charge longer and taking the maximum number of charges over their lifetime. That's why your battery features a cryptographic chip to assure you it's genuine.
A cryptographic chip identified by a closed lock on the battery, ensuring you're using a battery approved for your BlackBerry device.
NOTE: BATTERY MUST BE CHARGED FOR AT LEAST 8 HOURS PRIOR TO USE.
BlackBerry: 8900 (Curve), 9500 (Storm), 9530/9530T (Storm), 9550/9520 (Storm2), 9630 (Tour), 9650 (Bold) 

Seidio Innocell Extended Battery 1600mAh OEM Size

With more power than the original battery that comes with your Storm, the Seidio Innocell extended battery for your smartphone makes a great replacement battery or spare.
Keep an extra at the office and one for home.

• 1600mAh - Up to 15% more capacity than the original
• High quality Japanese cells
• Fits in existing space so no replacement door is needed
• More talk and text time!

BlackBerry: 8900 (Curve), 9500 (Storm), 9530/9530T (Storm), 9550/9520 (Storm2), 9630 (Tour), 9650 (Bold)