Have you ever annoyed about the low power of your laptop battery when you are outdoors? Look at this battery which is with 4 cells to satisfy your demand. It could give you the portability and efficiency during using. This battery is compatible with Samsung NP-R20 NP-R20F NP-R25 NP-X1 NP-X11. And this battery will certainly make your laptop regain energy by the use of the high capacity battery. It provides you with the strong battery life， which is great to solve the problems of the short life and poor performance. With fine workmanship and strict examination， this battery is up to standard that you can trustingly use it without any worry.                                    Features             You can get long hours of battery life without having to frequently plug into recharge with it<br> Using advanced cell technology and quality parts， it guarantees the stamina to meet your need of long work sessions and travel<br> Manufactured to the highest quality available with true enhanced performance<br> Powered by high quality cells<br> Can be charged while it is installed and the computer is connected to AC power<br>                                                            Specifications            Voltage    14.8V    <br>Capacity    2200mAH    <br>Battery Type    Rechargeable Li-ion Battery    <br>Cell    4Cell    <br>Color    Black    <br>Weight    11.29 oz / 320 g    <br>Dimensions    10.62 x 1.38 x 0.87" / 27 x 3.5 x 2.2 cm (L x W x H)    <br>Replace P/N    AA-PB0NC4B/E AA-PB1NC4B/E AA-PBONC4B AA-PL0NC8B AA-PL0NC8B/E    <br>Compatible with    Samsung<br>NP-R20NP-R20FNP-R25<br>NP-X1-1200NP-X11 SeriesNP-X1-C003/SHK<br>NP-X1 SeriesNT-X1-C110NT-X1-C120<br>NT-X1 SeriesR20-A000R20-F000<br>R20-F001R20-F002R20-F003<br>R20-F004R20-F005R20-FY01<br>R20-FY02R20-FY03R20-FY04<br>R20 SeriesR20plus SeriesR20-X002<br>R20-X003R20-X004R20 XIV 5500<br>R20 XIV 5510R20-XY01R25-A004<br>R25-F001R25-F002R25-F003<br>R25-FE01R25-FE02R25-FE03<br>R25-A001R25-A002R25-A003<br>R25plus SeriesR25 SeriesX11WIP5500<br>X11XEC5500X1 Series    <br>                                                            Package Includes            1 x Battery<br>1 x User Manual<br>