HP Notebook PC 90W Smart Pin Auto Air AC/DC Adapter KS474AA#ABA 463957-001KS474AA - HP Notebook PC 90W Smart Pin Auto Air AC AdapterEnjoy the flexibility and convenience of having an extra AC adapter for your Pavilion or Compaq notebook PC, whether you're at home, in the office, or traveling. 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. * Power up your notebook with the Smart-pin input design * Recharge your battery—whether the PC is turned on or off—when plugged in to an electrical outlet * Charge or just pass power with the charging switch * Optimize power consumption with the Smart-pin technology * Use minimal power: this adapter is designed to save energy * Guard against power fluctations with the integrated surge protection * Rely on HP: this adapter has been tested with all compatible HP notebook PCs * Get questions answered toll-free, 24 x 7, or via e-mail in as little time as an hour