Battery type: Li-Ion - no memory-effect Capacity: 1200 mAh Voltage: 3.7 V Energy: 4.44 Wh Number of cells: 1 Dimensions (L x W x H): 6.6 x 4.6 x 0.6 cm Weight: 31 g Compatible with the following device models: Huawei E5377 Huawei EC5377 Huawei E5373 Huawei E5375 To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: Huawei HB554666RAW Huawei HB5F2H .