2-Power pääakku 11,4V 4870mAh

When your laptop runs out of power in the middle of a critical work session, this 2-POWER main battery pack is the dependable replacement that keeps you going. It delivers 11.4 V and 4870 mAh of capacity, providing a total of 55.5 Wh of energy to support extended productivity. Built with six high-performance lithium-ion cells, it is engineered for consistent output and long-term reliability. The black casing is designed to fit seamlessly into compatible laptop models, ensuring a secure and stable connection. With built-in protection against overcharge, over-discharge, short circuit, over-current, and over-temperature, this battery safeguards both itself and your device. It meets CE, RoHS, and FCC certifications, confirming its adherence to international safety and environmental standards. Whether you are replacing a worn-out battery or keeping a spare on hand, this pack offers a practical solution for mobile professionals, students, and anyone who depends on their laptop throughout the day.

Key specifications

• Voltage: 11.4 V
• Capacity: 4870 mAh
• Energy: 55.5 Wh
• Chemistry: Lithium-Ion (Li-ion)
• Cells: 6-cell configuration
• Color: Black
• Rechargeable: Yes
• Safety features: Overcharge, over-discharge, short-circuit, over-current, over-temperature protection
• Certifications: CE, RoHS, FCC
• Warranty: 12 months

Why choose it

This battery pack is built to deliver reliable performance over hundreds of charge cycles, with an estimated 300–500 cycles to 80% capacity. Its advanced protection circuitry prevents damage from common electrical hazards, extending both battery and laptop lifespan. The high-quality Li-ion cells ensure stable voltage output, reducing the risk of unexpected shutdowns. As a genuine 2-POWER product, it is manufactured to meet or exceed original specifications, providing a cost-effective alternative to OEM batteries without compromising on quality.

Ideal use cases

• Replacing an old or failing laptop battery to restore full mobility.
• Keeping a spare battery for long flights, field work, or travel.
• Professionals who need uninterrupted power for presentations, coding, or design work.
• Students who rely on their laptop for lectures, research, and assignments throughout the day.

Good to know

Before purchasing, verify that your laptop model is compatible with this battery by checking the original part number or consulting the manufacturer's specifications. The battery operates within a temperature range of 0°C to 45°C and should be stored between -20°C and 60°C when not in use. For optimal longevity, avoid exposing the battery to extreme heat or leaving it fully discharged for extended periods. The 12-month warranty provides peace of mind, covering any manufacturing defects.