ASUS C42N1839 vara-akku kannettavaan, 3400mAh, litiumioni, Extra Digital Advanced

When your ASUS laptop no longer holds a charge through a full workday, this Extra Digital Advanced C42N1839 battery restores dependable power. It is built for professionals, students, and travellers who need their notebook ready from morning meetings to evening deadlines without hunting for a wall outlet.

Key specifications

• Compatible with ASUS C42N1839 battery model
• Capacity: 3400mAh
• Technology: Lithium-Ion (Li-Ion)
• Brand: Extra Digital Advanced
• Designed as a direct replacement for original ASUS batteries

Why choose it

This battery is engineered to meet or exceed original specifications, providing consistent voltage and reliable charge cycles. The Li-Ion chemistry offers a strong balance of energy density and longevity, so you can work, stream, and browse with confidence. Its precise fit ensures easy installation without modifying your laptop.

Ideal use cases

• Replacing a worn-out or swollen original battery
• Keeping a spare battery for long flights or remote work
• Extending the usable life of an older ASUS laptop
• Reducing downtime for field technicians and mobile professionals

Good to know

For best results, fully charge and discharge the battery a few times after installation to calibrate the power meter. Store the battery in a cool, dry place when not in use. Always verify your laptop model and original battery part number before ordering to ensure compatibility.