2-power Main Battery Pack Replaces L11421-2C3 - Batterie - 3.440 mAh

Keep your HP laptop powered throughout the workday with this high-capacity main battery pack from 2-Power. Delivering 3440 mAh at 11.4 V, it provides reliable energy for demanding applications and extended mobility. The lithium-ion chemistry ensures stable performance and long service life, while integrated protection circuits guard against overcharge, over-discharge, overcurrent, and short circuits. As a direct replacement for the HP L11421-2C3 battery, installation is straightforward and tool-free.

Advantages

This battery offers a perfect balance of capacity and safety. The 3-cell design keeps weight low without sacrificing runtime, and the 39.2 Wh energy rating translates to hours of unplugged productivity. Built-in safeguards protect both the battery and your laptop from electrical faults, giving you peace of mind during intensive use. The black housing blends seamlessly with most HP notebook designs.

Suitable for

• HP laptops originally equipped with battery part number L11421-2C3
• Users who need dependable power for travel, remote work, or all-day meetings
• Replacing an aged or failing battery to restore original runtime
• IT departments maintaining fleets of compatible HP notebooks

Key specifications

• Battery chemistry: Lithium-Ion (Li-Ion)
• Capacity: 3440 mAh
• Voltage: 11.4 V
• Energy: 39.2 Wh
• Number of cells: 3-cell
• Replaces OEM part number: L11421-2C3
• Protection: Overcharge, over-discharge, overcurrent, short circuit
• Condition: New
• Colour: Black

Recommendations

For optimal performance, fully charge the battery before first use and calibrate it periodically by running the laptop on battery power until it reaches 5% before recharging. Store the battery in a cool, dry place when not in use for extended periods.