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Battery ASUS C41N1731 Extra Digital NB431786
The Extra Digital NB431786 battery is a replacement battery designed for ASUS laptops compatible with model designation C41N1731. It uses Lithium Polymer (LiPo) technology and provides 3400 mAh capacity at a nominal voltage of 15.4 V (52 Wh), offering a direct-fit spare to restore portable power for systems that originally use this battery type. The unit comes in black and is intended as an OEM-compatible replacement to maintain laptop runtime and functionality.
The Lithium Polymer construction provides a compact, lightweight form factor with stable energy density. With 3400 mAh capacity and 15.4 V nominal voltage (52 Wh), the battery supplies sufficient power for common mobile tasks while preserving the original laptop fit. The product is engineered to meet standard safety and quality requirements typical for notebook batteries and is suitable as a spare or replacement to extend device usability without modifying the laptop.
Power down the laptop and disconnect any external power sources before replacing the battery. Remove the laptop back cover according to the manufacturer's service instructions, detach the existing battery connector carefully, and replace it with the Extra Digital NB431786, ensuring the connector is seated correctly. Reassemble the laptop and charge the battery fully before first use to allow the battery management system to calibrate. Follow the laptop manufacturer's guidance for safe handling and disposal of the removed battery.
Store and operate the battery within the temperature and humidity ranges recommended by the laptop manufacturer. Avoid exposure to extreme heat, direct sunlight, or liquids. Use the original or compatible charger and follow standard safety practices for lithium polymer batteries, including avoiding puncture, disassembly, or short-circuiting of the battery pack.
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