Outecc 6-Cells New replace For Samsung Rv511-s04 Rv515-a02 Rv518 RV520-S01 RV520-S02 RV520-S04 RV520-A01 RV520-A02 ship from USA by laptop_battery 10.8V/ 11.1V 4400mAh 6 cell Ship from USA Outecc 6-Cells New replace For Samsung Rv511-s04 Rv515-a02 Rv518 RV520-S01 RV520-S02 RV520-S04 RV520-A01 RV520-A02 ship from USA by laptop_battery Any problem, please feel free to contact us, we must response in 24 hours.