BATTERY E257/E3520/E452/R525 (4400 mAh, AA-PB9NC6B)

Samsung BA43-00282A is a lithium-ion battery for compatible Samsung notebooks, identified by its exact part number. Check that the notebook model is listed for this part when choosing a replacement.

It has a capacity of 4400 mAh, an energy rating of 49 Wh and a nominal voltage of 11.1 V. Samsung’s service listing identifies its internal designation as 3UR18650A-2-SDN-55.

Samsung lists this battery for a range of notebook models; the R520 is also named in a distributor listing. These model references help identify whether it is intended for a particular Samsung notebook.