Portable Phone Charger by MobileCharge- 3 year Warranty - Mobile Phone Charger Works with all Smartphones and Usb-charged Devices Retail Packaging (3 Years Warranty) Capacity: 5600mAh; Add hours of talk time to your Device; Add 80+ hours of audio playback, or 100% to most mobile phones' battery life Safety: Smart IC controller inside. Short circuit, over charge and discharge protection. Long lifetime: 18650 Lion battery, up to 1000 charge-discharge cycles