18 VOLT DC POWER ADAPTOR SUPPLY NEGATIVE CENTRE POLARITY TIP 0.5 AMP 1 AMP 2 AMP

If you are purchasing a DC adaptor does the polarity of this adaptor (positive or negative centre) match that of your appliance?. Most appliances require a positive centre polarity adaptor. Our universal adaptors have a polarity which is switchable between positive and negative centre.

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