- Need extra battery power for those longer periods away from your desk? Whether out of the office with a customer or just down the hall in a meeting room this handy companion can more than double your primary battery life. - Intelligent charging/discharging ensures the internal battery is always at full power. HP Fast Charge Technology allows you to recharge your battery quickly – up to 90 % in 90 minutes - Stay productive during long meetings in the office, on client visits and at conferences or seminars. Finish off that presentation during your flight to the US and then sit back and watch your favourite movie - Dock your notebook with the battery attached and charge – an industry first