PU and ABS Rubber coating;Slim power bank emergency battery; Metallic side center panel lights up to show off logo; Power/Technology: Two Rechargeable Lithium Polymer batteries; 37V, Capacity: 8000 mAh (4000 mAh each); Input: DC 5V/20A; Output: DC 5V/ 1A & 21A; Work current: 2000 mA; Standby current: <03; Operating temperature: 0~45°C tor Charging and 0~50°C for Discharging; Device must be charged prior to first use Charge time varies by device; Includes instruction manual and micro USB to USB-A power bank charging cable; phone charging cables not included; UL Certified (UL File # MH60484) and FCC Approved; WARNING: Refer to the item manual for safety and warning instructions; Product Size: 5.1" w x 2.7" h x 0.5" d; Shipping available only to contiguous U.S. addresses via Ground.;
