how many watts does a cigarette lighter output much input in it read for charging on the plug? Anyone know much about 12v

Anyone know much about 12v cigarette lighter sockets? , I need to charge a laptop with a cigarette lighter socket. So have replaced my usb socket with a cigarette lighter socket, which works fine., Wattage limit via cigarette lighter plug? Page 2 Technical Discussion myGMRS.com Forums Guide to USB Cigarette Lighter Adapter: How It Works & Tips Anker US [Upgraded Version] 12V Cigarette Lighter Socket, Quick Charge 3.0 & PD 3.0 USB Charger Power Outlet with Button Switch, Waterproof 12 Volt Adapter for Car Motorcycle Boat Marine RV Golf Cart 7 Accessories to Put Your Car's 12 Volt Outlet to Work Capital One Auto Navigator

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