- Power your high-performance notebook PC at home or on the road with this optimized portable power source - Get three adapters in one convenient package. Always have the right adapter whether at home, in the office, on the road or in the air. Recharge your battery whether your notebook is on or off when attached to an electrical outlet - You can leave one adapter at your desk and keep one in your carrying case for quick plug-in. And you’ll no longer need to climb under the desk to unplug the cable or tussle with tangled cords - Using minimal power, the HP Air/Auto/AC Smart-pin Adapter is energy-efficient - HP Notebook power adapters are tested with all compatible HP notebook. Additionally, the adapter is backwards compatible with legacy notebooks via a dongle which will ship with after-market options - The convenient “charging switch” gives you the freedom to charge or just…