9V DC Power Adapter 1A Power Supply, DC 9V Power Cord, 9Volt 1000mA DC Adapter, Cord Plug 5.5mm x 2.5mm [The Polarity of Output tip: Tip Positive (+)]

Additional Details from the Manufacturer

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More features

• 【INCOMPATIBILITY Pedal/Keyboard】Incompatible with Keyboard and Guitar Pedal, because the polarity of DC Plug is different from them. The item is Tip Positive, not negative.
• 【5.5mm x 2.5mm Tip Positive Plug】Universal DC Tip: 5.5mm x 2.5mm, not for 5.5 x 2.1mm, Tip Positive, not negative. Please kindly confirm the polarity and Output Tip Plug Size before ordering.
• Input: AC 100-240V, 50/60Hz. Output: DC 9V 1A 9W Max. Powering devices that requires 9VDC and less than 1A, such as 1000mA 800mA 700mA 600mA 500mA..80% full load is recommended.
• FIVE Protections and safety guarantees: over-temperature-protection, short-circuit-protection, under-voltage-protection, over-voltage-protection, over-current-protection.
• 24-month Warranty, free exchange or the full refund would be available. If there is any problem in the process of using or you don't want this product, please feel free to contact us.