[HB824666RBC] Huawei Router Wifi E5577 E5785 E5787 Series - Replacement BatteryCondition: Brand New Quality: OEM Original Replacement Part Battery Model: HB824666RBC 3000mAh Compatible With: Huawei Router Wifi E5577 E5785 E5787 Series Description: If your Huawei won't turn on, is stuck in a boot loop, has a "service battery" warning, or simply won't hold a charge, this replacement battery may be what you need to fix it.