Luxtude Portable External Power Bank-Value in SafeTy As a pioneer of portable power bank field, we has acquired below achievement: 15-year perfect record in US and Europe without safety problem 15-year experience in working with global 1st tier customers 4 exclusive patents in guranteeing safety of power product 30+ control processes and 100+ checking points for better product safety during product development and manufacturing What is 7 Safe protetion: -Advance Electronic Circuit -Temperature and Voltage Control -Premium Battery Cells -Battery Life Management System -No-Destrucive Manufacture Module -External Device Protective Module -UL94 V0 Band Flameresistant Material *Luxtude unique iSafeTM Intelligent Charging Patent and 7 Layers Safe Protection (Extra 6 layers protection than others). More advanced safety features will detect battery temperature and intelligently adjust charging current to keep safe charging. Specifications: Brand:Luxtude Model name:ET50L Capacity:5000mAh Battery type:Polymer Lithium-ion Battery Life Cycle: >500 times Output: 5V / 2.1A Input: 5V / 2.0A Output interface: Built-in Lightning-usb cable Input interface: Micro-usb port * 1 Dimension: 5.4 in * 2.7 in * 0.3 in (As the similar size as iPhone 6) Weight:4.9 oz (As lightweight as iPhone 6) Material: ABS + Fireproofing PC (V0 grade) Certification: CE FCC RoHS Product Warranty: 18 Months Packing Details: Luxtude 5000mAh power bank X 1 2ft Micro USB Recharging cable X 1 User manual X 1 Greeting letter X 1