Specification:High quality 18650 lithium batteryInput: DC 5V-1.2AOutput: DC 5V-1.2ACapacity: 3300mAhConversion rate: 60-65%Rated apacity: 2000mAhWorking temperature: 0c-45cStock/ transport temperature: -20c -+ 50cCycle life more than 500 timesIntelligent IC can effectively avoid short circuitPackage Included:1 x Mini Power Bank1 xCharging CableCHARACTERISTICS:1. Attractive and exquisite, easy to carry.2. This product is designed as protective backup battery case, which can protect your cell phone well.3. It is suitable for stand by power supplies to travel, tourism, long distance car business and ships, field work or power outages environments.NOTE:1. Do not throw the product into the fire or placed in any overheating environment.2. Do not disassemble the pruduct or any form of maintenance and modifications.3. Please follow the instructions, in accordance with the normal method of operation to use this product. If you have any questions, please feel free to contact us.