Konfulon High Power 45W Power Bank - Super Fast Charge Compatible - its not same as normal 15W or 18W lower spec versions in the market. Measurements 14.2cmx 6.82cm x 4cm approx. for Konfulon 65W please see our store. 20000Mah Power Bank 45W 30W 22.5W 18W PD QC 22.5W Portable Phone External Battery Fast Charger 45W 20000mah is the ''ALLOWED'' limit you can carry on airports/flights while travelling, some south Asian airports may have restriction on 30000mah, but mostly allowed up to 30000mah. Please ensure that your device wall plug power & output match to this power bank output, e.g. if your laptop requires 65w then please look for our ebay for 65w version and DO NOT buy this power bank. This is only suitable for all devices require 45w or less.