Title 1: C21N1638 Battery for Asus Vivobook F442U A480U Series (4840mAh/38WH 7.6V)
Title 2: Asus C21N1638 Battery Compatible with Model Asus Vivobook F442U A480U Series
Title 3: C21N1638 4840mAh/38WH 7.6V for Asus Vivobook F442U A480U Series
Title 4: New C21N1638 Battery for Asus Vivobook F442U A480U Series
Title 5: Battery Replacement for Asus Vivobook F442U A480U Series C21N1638
Need 4840mAh/38WH Asus C21N1638 Battery? This C21N1638 battery 100% compatible with Asus Vivobook F442U A480U Series. We offer 12 months warranty on our all batteries! During this period, if your battery fails, we will replace your C21N1638 battery with a new one.

7.6V 4840mAh/38WH C21N1638 Replacement Battery for Asus Vivobook F442U A480U Series


Technical Specifications:
Brand: for Asus
Voltage: 7.6V
Capacity: 4840mAh/38WH
Cell Type: Li-ion
Battery Cell Quality: Grade A
Warranty: 1 Year Warranty, 30 Day Money Back and Secure Online Ordering Guaranteed
Certification:CE CCC FCC ROHS

This Asus C21N1638 Battery Replaces:
C21N1638

This C21N1638 Battery Fits The Following Alcatel Models:
Asus Vivobook F442U A480U Series

Other Online Stores:
GERMANY ---------------------C21N1638 Baterie do Asus
Poland ---------------------Asus C21N1638 Zasilacz Sieciowy Asus
France --------------------- Batterie pour Asus C21N1638
√ C21N1638 battery, 2000mAh charges quickly.
√ This unit is a 100% fully compatible Lithium-Ion replacement for the Asus C21N1638 Battery.
√ Brand new and high quality replacement Asus C21N1638 battery is built with the highest quality standards, safety features.
√ Batteries are lighter, more efficient and charge with no memory effect.
√ Each Asus C21N1638 replacement battery unit is made of high-quality lithium-ion cells for longer last time.
√ The battery is up to standard and fully compatible with original specifications.
√ All our batteries are certified by CE, UL, ROHS, ISO9001/9002 as safe products.
√ The interface metal and fixed insulator of the battery are made of good materials to ensure stable current input and durability.

How to extend the life of your Asus C21N1638 battery?
1.Please fully charge your device before using it for the first time. Because the Asus C21N1638 battery is normally shipped in a partially-charged state. Please cycle your battery pack by fully charge (more than 12hours) and discharge(less than 10%) for 3-5times to reach maximum rated capacity.
2.Please don’t discharge battery to 0%, which is the most common reason among faulty batteries. It will damage battery if the device usually works at a critical power level ( below 3%).
3.Charge the battery before it runs to 20%. It is scientifically justified that charging battery at 20% till 80% will extend battery life to the longest.
4.If your Asus C21N1638 battery won’t be used for a long time, please charge it once a month and keep battery power over 50%, remove it from your device and store it in an antistatic bag in a cool, dry place.

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