New R540 R530 R480 AC Power Adapter Charger for Samsung R730 RC512 R440I R480 NP200 NP400 Q320 Q330 Np365e5c R540 Np-q430 Np510r5e R480 Np300e5c Np305e7a R530 R440 Qx410 0335a1960 Np200a5b Np270e4e

hi this is Sarah Dubois with laptop battery express this 6l samsung battery is rated at 5200 milliamp hours or 58 watt hours and will give you about two to three hours of runtime depending on your energy use the mah or milliamp hour and the whr or wat our indicates how long a battery will run on a charge the higher the milliamp hour and wat our number the longer the battery will run all of our batteries are brand new with Samsung Power Cells a Texas Instruments computer chip and are never used or refurbished if you're finding less expensive batteries on line please be aware that it's because they use cheap quality power cells inside the cartridge that can easily wear out in six months our batteries typically have a service life of three to five years all batteries from laptop battery Express come with a 30 day money back gaurantee and a full 12 month warranty all of our batteries ship f