The Fisher-Price Spacesaver Swing Luv U Zoo would be a good choice for you. Weighing at just 25 pounds, the Luv U Zoo is one of the lightest baby swings that you can buy for your baby. The Luv U Zoo comes with a stationary positioner, providing an easy and secured conversion to an infant seat. It is battery operated and has five variable swing speeds. Parent handles are provided in the swing which ensures easy portability. It also features vibration effect and a removable toy bar to keep your baby entertained. The pad of the baby swing is removable and can be machine washed, allowing easy maintenance. A number of light and musical effects are also featured in the portable baby swing that will delight your baby to sleep.