2-Power pääakku korvaa L11421-2D1 - akku - 3.440 mAh

When your laptop battery no longer holds a charge and you're tethered to a wall outlet, this 2-Power replacement battery restores true portability. Designed as a direct substitute for the original L11421-2D1 battery, it fits seamlessly into compatible HP notebooks and delivers reliable power for work, study, or travel.

Key specifications

• Battery technology: Lithium-Ion (Li-ion)
• Capacity: 3440 mAh (39.2 Wh)
• Voltage: 11.4 V
• Number of cells: 3
• Replaces part number: L11421-2D1
• Colour: Black
• Condition: New
• Protection: Overcharge, over-discharge, overcurrent, short-circuit
• Certifications: CE, RoHS

Why choose it

This battery is built with high-quality Li-ion cells and advanced protection circuitry to ensure safe, consistent performance. It matches the original specifications, so you can expect the same runtime and reliability as the battery that came with your laptop. The 2-Power brand is known for dependable replacement power solutions.

Ideal use cases

• Replacing a worn-out or dead laptop battery
• Keeping a spare battery for extended travel or long workdays
• Restoring an older laptop to full portability

Good to know

Before ordering, verify that your laptop model uses the L11421-2D1 battery. This is an internal battery, so installation may require opening the laptop case; if you're not comfortable doing it yourself, professional installation is recommended. The battery is new and comes with standard protections to prevent damage from common electrical issues.