BiXPower Car Cigarette Female Socket to 5.5 x 2.5mm & 5.5 x 2.1mm Female Jack Adapter
The package comes with one car cigarette adapter with one end is a cigarette lighter socket, another end is a 5.5 x 2.5mm female jack. It also comes with a connector tip that one end is 5.5x2.5mm male, another end is 5.5x2.1mm female jack. This adapter one end is a female socket connector like a car cigarette lighter socket in most vehicles. Another end is a 5.5mm x 2.5mm female barrel connector adapter. If you plug the enclosed 5.5 x 2.5mm male to 5.5 x 2.1mm female barrel connector male end to the cigarette adapter 5.5 x 2.5 female jack, then you actually convert the cigarette adapter the 5.5 x 2.5mm female connector to a 5.5 x 2.1mm female connector.
This adapter is for DC power, maximum current can up to 10A.
Caution: This adapter cable is just a connector adapter, it does not have any electronic circuit inside to control electronic voltage/current/polarity. It only provides physical size and shape conversion. Please make sure the power source output is set correctly for your device.