Green Cell SA01 is a replacement battery for Samsung laptops that use battery references AA-PB9NC6B or AA-PB9NS6B. The manufacturer lists compatibility with R519, R522, R525, R530, R540, R580, R620, R780, RV510, RV511, NP300E5A and NP350V5C models.
Its Li-ion, 6-cell construction has a rated capacity of 4400 mAh. The listed operating voltage is 11.1 V / 10.8 V, providing the power source for compatible laptops when replacing a worn battery.