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Rectangular black lithium-ion laptop battery with label showing 70Wh 14.8V

E-buy

E-buy C42-UX51 70Wh 14.8V laptop battery

SKU CH-DG73-2453Y

70 Wh, 14.8 V lithium-ion battery fits ASUS ZenBook UX51, UX51V, UX51VZ and U500VZ models, delivering 4750 mAh capacity with 500-plus recharge cycles

  • Battery TypeLithium-Ion
  • 70Wh capacity extends runtime for work and travel
  • 8V 4750mAh lithium-ion delivers stable power for 500+ recharge cycles
  • Direct OEM replacement for ASUS C42-UX51 ensures perfect fit
  • CE FCC RoHS certified for safe worry-free operation
  • Compatible with ZenBook UX51 UX51V UX51VZ U500VZ series

Product identity

The E-buy C42-UX51 is a new 70Wh lithium-ion laptop battery rated at 14.8V and 4750mAh. It serves as a direct OEM replacement for the original ASUS C42-UX51 pack and carries CE, FCC and RoHS safety certifications.

Compatibility fit

This battery fits ASUS ZenBook UX51, UX51V, UX51VZ and UX51VZA models as well as U500VZ and U500VZ-CN032H variants. Buyers who own a different ASUS series or a non-ASUS notebook will need a different replacement part.

Sustained behaviour

The 70Wh capacity delivers extended runtime between charges for work, travel or multimedia use. Lithium-ion chemistry supports 500-plus recharge cycles, so the pack maintains stable power delivery over long-term daily use.

Highlights

  • 70Wh capacity extends runtime for work and travel
  • 8V 4750mAh lithium-ion delivers stable power for 500+ recharge cycles
  • Direct OEM replacement for ASUS C42-UX51 ensures perfect fit
  • CE FCC RoHS certified for safe worry-free operation
  • Compatible with ZenBook UX51 UX51V UX51VZ U500VZ series

Specifications

Battery TypeLithium-Ion

Questions about this item

Which ASUS ZenBook models does the C42-UX51 70Wh battery replace?

It fits the UX51, UX51V, UX51VZ and UX51VZA series, plus the U500VZ and U500VZ-CN032H models.

Will the 14.8V Li-ion pack charge correctly with my original ASUS power adapter?

Yes, the 14.8V voltage matches the OEM specification so the standard ASUS charger will charge it normally.

How can I verify the battery is delivering its rated 4750mAh capacity after installation?

Run a full charge–discharge cycle in the OS battery report or a tool like BatteryInfoView and confirm the design capacity reads 4750mAh.

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