The C42N1839 Type B 71Wh 4 cell laptop battery is a compatible replacement for selected ASUS laptops. It is designed to replace an old, weak or defective battery and restore reliable everyday portable performance.
Facing low battery-backup problems? This compatible replacement battery is a practical solution when the original battery drains quickly, no longer holds charge or limits portable use.
Best Price from a trusted laptop battery supplier: OKSPARE provides compatible replacement batteries at a competitive price.
Testing by OKSPARE Team: Every battery is checked before dispatch for dependable quality.
100% Replacement Warranty: This battery includes a replacement warranty for covered technical or manufacturing defects. Warranty does not cover physical damage, broken connectors, incorrect installation, liquid damage, burn marks, mishandling or damage after installation. Battery swelling caused by overcharging, excessive heat, improper charging or incorrect use is not covered.
Important: Before ordering, match your original battery’s complete part number, capacity, voltage, cell configuration, connector and physical shape.
Fitment note: This is the Type B version. Compare the connector position, cable layout and battery shape with the original battery before ordering.
Supported ASUS Laptop Models
- ASUS ZenBook 15 UX533FD Battery
- ASUS ZenBook 15 UX534FA Battery