Flight delays, power outages, longer-than-expected trips. You can"t always recharge your Nokia device when you"d like to. But with an extra Nokia 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. Nokia 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 Nokia Battery features integrated security that ensures you"re using a battery specially designed to work with your Nokia device. Your device will be powered longer and the battery will sustain a greater amount of charges with a Nokia battery, the only one that works with Nokia devices. Replacement battery is made with the same materials as your original battery; it will looks, feel, and perform the same. 1500 mAh ONLY trust your phone with Nokia OEM ORIGINAL batteries! Nokia will also guarantee this battery for up to one year from date of purchase! Compatible with: Nokia 6650, N810, WiMAX, E61i, E71, E63, E90, E90i, E61, E71x