Pwr 20V AC Power Adapter for Bose SoundDock I (ONLY) Portable Sound Dock 1 Wireless Mobile Speaker System - UL Listed 306386-101 301141 N123 Power Supply Cord Charger ! Check Compatibility Photo ! FEATURES / POWER SPECS : Output: 20V 2A (1.2A compatible) / Only Pwr+ Chargers Have Extra Long 12 Ft Power AC/DC cords / Steel-Reinforced Tip for Extended Usability / Made in Taiwan / Original Bose OEM Genuine Charger and Power Adapter Replacement by PWR+ / NOTE : ! SoundDock 1 compatibility ONLY ! This is 20V Barrel Tip AC Adapter, not +/-18V. Please check your requirement. If you need +/-18V AC Adapter, Please DO NOT buy this item. Thanks ! COMPATIBILITY: Bose SoundDock I (ONLY!) Portable Sound Dock Wireless Mobile Speaker System 306386-101 301141 N123 ! PLEASE NOTE: This AC Adapter does NOT fit SoundDock Series II, III ! Please type "B00RM73BRS" into Amazon search for the right AC Adapter ! Check Connector Photo to Ensure Compatibility SAFETY / UL LISTED: Tested, Approved and Certified by UL. UL number is unique. UL testing is authorized by OSHA - US Federal Agency WARRANTY: 30 Days Refund - 24 Months Exchange. PWR+ is WA, USA based company. We are friendly Customer Support Experts