2-POWER pääakku korvaa L11421-422 - akku - 3.440 mAh

Unlike generic replacements that often compromise on cell quality and fit, this 2-POWER main battery pack is engineered specifically for HP systems that require the L11421-422 battery. It delivers a robust 3,440 mAh capacity, ensuring your laptop stays powered through demanding workdays without frequent recharges. The battery is built with premium lithium-ion cells and meets or exceeds original specifications, providing reliable performance and long service life.

Highlights

• Replaces HP part number L11421-422
• Capacity: 3,440 mAh for extended runtime
• Lithium-ion technology for high energy density and no memory effect
• Engineered for HP laptops; exact compatibility list available from HP
• Rigorous quality control ensures safety and durability
• CE and RoHS certified for peace of mind

In daily use

This battery integrates seamlessly with your HP laptop, providing stable voltage and current for consistent performance. Whether you are working on spreadsheets, streaming video, or attending virtual meetings, the 2-POWER battery keeps up with your pace. Its intelligent circuitry protects against overcharging, overheating, and short circuits, safeguarding both the battery and your device. The slim form factor matches the original battery, so it fits perfectly without bulging or affecting portability.

Full specifications

• Brand: 2-POWER
• Model: ALT283644B
• Replaces HP part number: L11421-422
• Battery type: Lithium-ion (Li-Ion)
• Capacity: 3,440 mAh
• Voltage: compatible with original HP battery (typically 11.55V or 11.4V; verify with your laptop)
• Number of cells: 3-cell configuration for optimal balance of weight and capacity
• Colour: Black
• Warranty: 12 months
• Certifications: CE, RoHS

Final note

For a dependable power solution that matches the original HP battery's performance, the 2-POWER ALT283644B is an excellent choice. It combines quality, safety, and value, keeping your laptop running when you need it most.