3.8 V 1500 mAh Li Voor Huawei WiFi Router E5573s-856 Hb434666rbc - China Huawei WiFi Router E5573s-852/853/856 Battery, Router Replacement Battery | Made-in-China.com
Battery Huawei HB434666RBC for Modem 1500mAh E5573/E5575/E5576/E5776/E5577 (compatible with HB434666RAW) original (service pack) - mobiiliabi