Mobile Mifi (Pocket Wifi) Model Compatibility: E5577 (High Capacity Model Only)
Brand: Huawei 
Model: HB824666RBC
Voltage: 3.8V
Capacity: 3000mAh (11.4Wh)
Standard: GB/T 18287-2013
Limited Charging Voltage: 4.35V
Size: 65 x 45 x 4mm
Weight: 75g
 
SUITABLE TO USE FOR E5577S32 , NOT SUITABLE TO USE E5577C