• Rechargeable Polymer battery. Input: 5V/550mA; Output: 5V/1000mA; Capacity: 2200mAh. • Charge time differs by device. Must charge power bank prior to first use. • Slim Aluminum credit card shaped universal international battery charger for smartphones and other small electronic devices such as GPS and MP3 players. • Features LED indicator light (blue light when bank is turned on, red light when bank is charging, and green light when bank is fully charged). • USB charging cable provided. • Engraves Silver. • Instructions included and available to download. • UL Certified (UL File # MH60484). **Shipping available via ground service only** WARNING: Refer to the item manual for safety and warning instructions.