Frequently Questions & Answers Q: Why this power adapter can't work for my device? Is it faulty? Is it broken&Defective goods? A: NO,if there are something wrong, please check as follow: 1. Please make sure your device needs Volt and Ampere to work ,not higher or lower. 2. Please make sure the power source is enough 2000mhA .NOT more high that you device need.if you device need 3A, then this device will not work.If you device just need 0.1A(100Mha),this adapter is too high Ampere .may be also can not work for you device. 3.Do not use for more than 30Watts device.This adapter max is 30Watts, If you use a big power device , then will be not work. 4. Please test this adapter with different device, in fact, it can always give you a big surprise. 5.AC Adapter is not equal to a Battery Charger; Please turn off Your battery devices when it is charged and Don't charge it for more than the specific charged time. 6.Please check carefully for the votage range and the connector before bidding. Thank you. 6 Connection Tips Spec: 5.5*2.5mm, 5.5*2.1mm, 4.8*1.7mm, 3.5*1.35mm, 3.0*1.1mm, 2.5*0.7mm, Micro LED Treminal Connector Package list: 1*41W Adjustable Power 1*key 6*Selectable Adapter Plugs