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10pcs 2.1mm Dc Jack 5.5x2.1mm Feminino Dc Power Jack 2.1x5.5mm Dc Jack Conector 6v 9v 12v Dc Barril Jack Painel De Montagem - Peças E Acessórios Para Guitarra - AliExpress
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Amazon.com: weideer 12V Reverse Polarity Switch Momentary Power Jack Rocker Switch DC Motor Control DPDT 4 Pin(ON)-Off-(ON) 20A 12 Volt DC RV Switch with Wires : Automotive
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battery charging - Using the switch function of a DC-jack to disconnect a load - Electrical Engineering Stack Exchange
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