HP will sell the batteries with a constant volume.

Corporation HP will sell batteries that maintain the stated capacity for a period of three years, says PC World. Batteries used batteries Sonata Boston Power Production and will appear in the shops under the HP brand name "Enviro", to highlight their environmental friendliness.
Boston Power has developed a lithium-ion battery, which can store a maximum storage capacity for thousands of recharges. This is two to three times more than the normal rate. In addition, Sonata is charging up to 80 percent capacity in just 30 minut.Novye batteries are suitable for 18 HP laptop models Corporation, covering about 70 per cent of the entire consumer line. The cost of batteries will be 150 dollars, 20 dollars more than the price of conventional batteries.
This is not the only cells that possess properties comparable to the Sonata. The presentation semnadtsatidyuymovogo Apple MacBook Pro, it was stated that it stands up to a thousand recharges the battery. Sonata batteries are already available to users through Mac QuickerTec, offering external batteries.