Battery ASUS 0B200-03830000 for Notebook U Series UX334FA UX334FL UX434DA

The ASUS 0B200-03830000 battery is a replacement power unit designed for U Series notebooks, compatible with models such as UX334FA, UX334FL and UX434DA. With a rated capacity of 4335 mAh, this battery restores portable power to the notebook and supports standard charging and power management functions implemented by the original equipment. It is intended as a direct-fit component to maintain typical runtime and device behaviour when the factory battery no longer meets runtime expectations.

Advantages

This battery offers a capacity of 4335 mAh that provides a balance between runtime and size for thin-and-light U Series notebooks. It is compatible with the listed ASUS models, designed to fit the original battery compartment and connector layout, and supports the laptop’s existing charging circuitry and power-management features. Using a compatible replacement helps avoid unexpected shutdowns and preserves portability without requiring modifications.

Suitable for

• Replacing a worn or failing battery in ASUS U Series notebooks
• Restoring mobility for UX334FA, UX334FL and UX434DA laptops
• Keeping a secondary battery for travel or field use

Key specifications

• Battery capacity: 4335 mAh
• Compatibility: ASUS U Series laptops including UX334FA, UX334FL, UX434DA
• Form factor: internal notebook battery designed for the original compartment

How to use

Power down the notebook and disconnect any external power sources before replacing the battery. Remove the notebook’s bottom cover following the manufacturer’s service instructions, disconnect the old battery from the board connector, and install the replacement ensuring the connector is seated correctly. Reassemble the notebook, connect the AC adapter and allow the battery to charge fully before normal use to enable the laptop’s power-management system to calibrate battery charge reporting.

Recommendations

To maintain battery health, use the original or approved charger, avoid extreme temperatures during charging and storage, and follow ASUS guidelines for battery calibration and firmware updates when available.