2600mah Portable Round Backup Battery Charger USB Power Bank for Smart Phones and Other Digital Devices - Retail Packaging (3 Years Warranty) for Iphone 5s, 5c, 5, 4s, 4, Samsung Galaxy S4, S3, Note 2, Note 3, HTC One, Motorola Droid, Moto X, Lg Optimus and Most Other Smartphones and Usb-charged Devices (Silver) Stylish, tiny and light-weighted design (cigar / lipstick like); Fits easily into any bag with a small and lightweight design; Size: 3.50 * 0.91 * 0.91 inch Capacity: 2600mAh; Add hours of talk time to your iPhone 5 / 4 / 4s ; 1 charge for iPhone; Add 80+ hours of audio playback, or 100% to most mobile phones' battery life Long lifetime: 18650 Lion battery, up to 1000 charge-discharge cycles Safety: Smart IC controller inside. Short circuit, over charge and discharge protection. 3 Years Warranty! Retail Pack, Micro USB Cable Included