The 65 Watt Laprite Power Adapter gives users an even easier and more compact way to travel. Designed to be the perfect traveling companion, the adapter has a clever design which allows the DC cable to be wound nearly around itself for easy cable storage. It also powers the system if you choose to operate without a battery. This power adapter recharges the lithium polymer battery while the system is off, on, or in sleep mode. It also powers the system if you choose to operate without a battery.