CoreParts MBXAS-BA0240 Laptop Battery for Asus 39.85Wh 11.55V 3450mAh

For Asus notebooks that demand dependable power without the inflated price of original batteries, the CoreParts MBXAS-BA0240 delivers a balanced 39.85Wh capacity and 11.55V output. This replacement battery keeps your laptop running through meetings, lectures, or travel, and its 3450mAh cell configuration is tuned for steady discharge and reliable recharging cycles. Unlike generic alternatives, it is built to match the electrical profile expected by Asus power management, so the remaining charge indicator stays accurate and the system recognizes the pack without workarounds.

Highlights

• 39.85Wh energy capacity for extended runtime between charges
• 11.55V nominal voltage matches original Asus specifications
• 3450mAh capacity for consistent performance under load
• Engineered as a direct replacement – no BIOS or driver changes needed
• Black housing blends with most notebook designs

In daily use

Installation is straightforward: power down the laptop, release the old battery, and click the MBXAS-BA0240 into place. After the first full charge, the battery calibrates with the system’s fuel gauge, giving you predictable percentage readings. Whether you are editing documents, streaming video, or running spreadsheets, the pack maintains a stable voltage until the final minutes of discharge, reducing unexpected shutdowns. Its compact dimensions and standard connector ensure a secure fit in compatible Asus models.

Full specifications

• Brand: CoreParts
• Model: MBXAS-BA0240
• MPN: MBXAS-BA0240
• EAN: 5704174371229
• Battery capacity: 39.85 Wh
• Battery voltage: 11.55 V
• Battery capacity (mAh): 3450 mAh
• Product colour: Black
• Product type: Laptop battery

Final note

CoreParts replacement batteries are tested for cycle life and safety, offering a cost-effective way to revive an older Asus laptop without sacrificing compatibility or performance.