Samsung Series 5 Ultra (AA-PBYN4AB 45Wh)

Product Overview

AA-PBYN4AB is the replacement battery for the Samsung Series 5 Ultra (530U3B / 530U3C / 535U3C / 540U3C) series, delivering 45Wh of capacity at 7.4V from lithium-ion cells. It is 100% brand new and covered by a 1-year warranty.

Engineered as a direct replacement for the original Samsung power pack, this AA-PBYN4AB battery restores full portability to ultrabooks in the Samsung 530U3B, 530U3C, 535U3C, and 540U3C families. Stable 7.4V output, high-quality cells, and built-in protection circuits keep daily use safe and reliable.

Specifications

Standard Model	AA-PBYN4AB
Capacity	45Wh
Voltage	7.4V
Battery Type	Li-ion
Color	Black
Condition	100% Brand New, 1-year warranty

Replace Part Numbers

• AA-PBYN4AB
• AA-PLWN4AB

Compatible Models

• For Samsung 530U3B NP530U3B Series
• For Samsung 530U3C NP530U3C Series
• For Samsung 535U3C NP535U3C Series
• For Samsung 540U3C NP540U3C Series

FAQ

Q: Which Samsung laptops does the AA-PBYN4AB fit? A: It is designed for the Samsung Series 5 Ultra family: 530U3B (NP530U3B), 530U3C (NP530U3C), 535U3C (NP535U3C), and 540U3C (NP540U3C). Q: How do I confirm my battery model? A: Check the label on your current battery — it must read AA-PBYN4AB or AA-PLWN4AB for this replacement to fit. Q: Is it brand new? A: Yes — 100% brand new with Grade-A lithium-ion cells, tested before shipment, and backed by a 1-year warranty. Q: Will it charge normally on Windows? A: Yes — plug-and-play with standard Samsung battery management. Complete one full charge/discharge cycle after installation to calibrate.