Description
Product Overview
This genuine Samsung AA-PBYN4AB 45Wh battery is designed as a direct replacement for your Samsung laptop. Manufactured to meet original specifications for reliable performance.
Specifications
- Voltage: 10.8V
- Capacity: 45Wh
- Chemistry: Lithium-ion
- Condition: Brand new
Compatible Part Numbers (P/N)
- AA-PBYN4AB
- AA-PLWN4AB
- BA43-00336A
- BA43-00354A
- P22H02-01-N01
Compatible Models
- Samsung 530U3B
- Samsung 535U3C
- Samsung NP530U3B
- Samsung NP530U3C
- Samsung NP532U3C
- Samsung NP535U3C
- Samsung NP540U3C
When to Replace Your Battery
| Situation | Description |
|---|---|
| Short Runtime | Battery drains significantly faster than original capacity, lasting less than 1 hour |
| Swelling/Bulging | Battery case appears swollen or deformed, creating safety hazard |
| Charging Issues | Battery won’t hold charge or requires frequent recharging |
| System Warnings | Laptop displays “Replace Battery” or similar warning messages |
| Age | Battery is over 2-3 years old with noticeable performance decline |
| Random Shutdowns | Computer shuts down unexpectedly even with charge remaining |
Compatibility Note
This battery is compatible with additional part numbers and models beyond those listed. If you’re unsure about compatibility, please leave your specific laptop model or current battery part number in the order notes during checkout. We will verify compatibility before shipping.
Shipping & Warranty
- Ships within 1 business day
- 30-day money back guarantee
- 1-year manufacturer warranty
- In stock, ready to ship
- Free shipping
- 100% brand new product




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