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BESTEK via Amazon [amazon.com] has BESTEK 300W Pure Sine Wave Power Inverter DC 12V to 110V AC Cigarette Lighter Adapter w/ 4.8A Dual USB Fast Charging Ports on sale for $31.49 w/ code J6UU6AFJ at checkout. Shipping is free

Description[LIST][*]BESTEK 300W Pure Sine Inverter (Patent Number US D818,853 S): Designed for your devices that require careful protection, provide 300W continuous DC to AC power and 700W of peak power featuring 2 AC outlets and 2 USB charging ports, great for Christmas gift, charging string lights, laptop, speakers, camera, nebulizer, game console, kindle, iPad and other