Type: Emergency / Portable Battery Capacity: 25001-30000mAh Battery Type: Li-polymer Battery Output Interface: Double USB Input Interface: Micro USB Output Interface: 5V/2.1A Quality Certification: ce,RoHS,WEEE,UL,PCT,FCC,CCC Weight: 222g Supports Solar Energy: Yes Is LED Lamp Illumination: Yes Support Quick Charge Technology: One-way Quick Charge Size: 138*62*21.5mm Function 1: power bank powerbank poverbank portable Charger portable Function 2: portable charging pover bank power bank 30000mAh Mini power Function 3: mobile battery powerbank 30000 portable Charger for cell phone Function 4: powerbank 30000mah power banks power bank 30000 USB Bank Function 5: portable power bank small powerbank portable phone battery Function 6: power bank for phone power bank 30000 mah portable External Battery Function 7: portable charger for mobile phone powebank power Function 8: external battery telephone battery pack for phone Battery Compatible Cellphone: For iPhone Xiaomi mi Huawei Sony HTC LG Samsung power