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7.6V 7560mAH New Laptop Battery for 540U Series 530U4E K01 NP503U4E NP530U4E K01 AA PBWN4AB Rechargeable Batteries|new laptop battery|laptop batterybattery for laptop - AliExpress
Synergy Digital Laptop Battery, Compatible with Samsung ATIV Book 5 540U Laptop, (Li-Pol, 7.6V, 7500mAh) Ultra High Capacity, Replacement for Samsung AA-PBWN4AB Battery - Walmart.com
Synergy Digital Laptop Battery, Compatible with Samsung ATIV Book 5 540U Laptop, (Li-Pol, 7.6V, 7500mAh) Ultra High Capacity, Replacement for Samsung AA-PBWN4AB Battery - Walmart.com
Battery Replacement on Samsung Series 5 Ultrabook NP350U3B - YouTube
High Quality Samsung NP540U3C Replacement Battery | Laptop Battery Direct