This is a generic, equivalent one, 100% compatible. This 3.8V 3000mAh Replacement Li-ion battery is designed to compatible with Huawei E5577 E5577Bs-937 HB824666RBC.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 3.8V
* Battery Capacity: 3000mAh
* Condition: new, 1 Year Warranty!
* Easy Installation
* Battery is tested accurately before shipping
* Compound Li-ion Chip, Safer and More Reliable

Compatible Part Numbers:
HB824666RBC

Compatible Model:
For Huawei E5577 E5577Bs-937

Package Included:
1 x Replacement Cell Phone Battery for Huawei E5577 E5577Bs-937 HB824666RBC 3.8V 3000mAh

Notice:
1. Each Item have been tested before shipping.
2. Please double check to make sure the battery matches your cellphone model. Our battery is sent out with little or no power, so please charge it for about 6-12 hours before using.
3. Keep an extra battery on hand for extend standby and talk times.
4. Integrated microchip prevents overcharging and lengthens battery life.
5. New Lithium Ion batteries must be FULLY CHARGED and FULLY DISCHARGED 2 to 3 times, before being FULLY CONDITIONED. Please remember that a new Lithium-Ion battery’s full performance and longevity is only achieved after 2 to 3 complete charge and discharge cycles. After you go through 2 to 3 cycles, you’ll never have to condition your battery again!