2-Power pääakku korvaa L11421-423 - akku - 3 440 mAh

When your HP 15-DA or 250 G7 notebook shuts down unexpectedly during a critical work session, this 2-POWER main battery pack restores full mobility. It replaces the original HP L11421-423 battery and is engineered for users who depend on their laptop throughout the day—whether in the office, at a client site, or on campus. With a 3440 mAh capacity and 39.2 Wh of energy, it delivers dependable runtime for everyday computing tasks.

Key specifications

• Battery type: Lithium-Ion (Li-Ion)
• Capacity: 3440 mAh / 39.2 Wh
• Voltage: 11.4 V
• Number of cells: 3-cell
• Colour: Black
• Replaces OEM part numbers: L11421-423, L11119-855, HT03XL, HSTNN-DB8R, HSTNN-IB8O, HSTNN-LB8M, HSTNN-UB7Y
• Compatible with: HP 15-DA Series, HP 15-DB Series, HP 250 G7 Series, HP 255 G7 Series
• Safety features: Overcharge, over-discharge, over-current and short-circuit protection
• Certifications: CE, RoHS
• Condition: New

Why choose it

This battery is manufactured to meet or exceed original specifications, ensuring a secure fit and reliable performance. Built-in protection circuits safeguard both the battery and your laptop against common electrical hazards. The black finish matches the original component, maintaining the sleek look of your device. Installation is straightforward for anyone comfortable with basic laptop maintenance.

Ideal use cases

• Replacing a worn-out or swollen original battery in HP 15-DA/DB or 250/255 G7 laptops
• Keeping a spare battery for travel or long workdays away from power outlets
• Extending the usable life of an otherwise functional laptop
• IT departments maintaining fleets of HP business notebooks

Good to know

Before ordering, verify that your laptop model is listed in the compatibility section. The battery is rechargeable and should be calibrated after installation for accurate charge reporting. Store in a cool, dry place when not in use. For optimal longevity, avoid fully discharging the battery on a regular basis.