HP Envy 17-1190NR Laptop (Gray) Get up to 3 hours and 45 minutes with the 9-cell 93 WHr battery, then connect to AC power and switch to the extra 6-cell 62 WHr battery for an extra 2 hours and 30 minutes. To ensure you have everything right where you need it, enjoy 2x500GB of storage capacity and the peace of mind provided by the HP ProtectSmart hard drive locking mechanism. Backup your data with the 1TB Dual Hard Drive. Recharge your battery, whether your notebook is on or off, with an HP Notebook 120W Smart Power Adapter.