2-Power pääakku 11,4V 4000mAh (2P-027W58)

Unlike generic aftermarket batteries that often compromise on cell quality and protection circuitry, the 2-Power 2P-027W58 is engineered as a true replacement power source for demanding laptop users. It delivers a stable 11.4 V nominal output with a 4000 mAh capacity, ensuring your notebook runs reliably through work, study, or travel. Built around a 3-cell lithium-ion configuration, this battery provides 45.6 Wh of energy, matching or exceeding original equipment specifications for many popular laptop models.

Highlights

• Lithium-ion chemistry with 3-cell design for consistent performance
• 11.4 V nominal voltage and 4000 mAh capacity (45.6 Wh)
• Integrated overcharge, over-discharge, and short-circuit protection
• Rechargeable with a typical cycle life of 300–500 charges
• CE, RoHS, and FCC compliant for safety and environmental standards
• 12-month warranty for peace of mind

In daily use

This battery installs easily into compatible laptop models, restoring full mobility without being tethered to a wall outlet. The internal connector is device-specific, so it fits securely and maintains proper communication with the laptop's power management system. Whether you are editing documents, streaming media, or running intensive applications, the 2P-027W58 provides dependable runtime. Its black housing blends seamlessly with most notebook designs, and the robust protection circuitry guards against common electrical hazards, extending the overall lifespan of both the battery and your device.

Full specifications

• Brand: 2-POWER
• Model: 2P-027W58
• Battery type: Lithium-Ion (Li-ion)
• Nominal voltage: 11.4 V
• Capacity: 4000 mAh
• Energy: 45.6 Wh
• Number of cells: 3
• Rechargeable: Yes
• Application: Laptop / Notebook
• Colour: Black
• Overcharge protection: Yes
• Over-discharge protection: Yes
• Short-circuit protection: Yes
• Cycle life: 300–500 cycles (typical)
• Operating temperature: 0°C to 45°C
• Storage temperature: -20°C to 60°C
• Certifications: CE, RoHS, FCC
• Product type: Replacement Battery
• Connector type: Internal (Device Specific)
• Warranty: 12 months

Final note

For users who need a reliable, safety-certified replacement battery without the premium price of original parts, the 2-Power 2P-027W58 offers an excellent balance of performance, protection, and value. Its 12-month warranty and compliance with major standards make it a smart choice for extending the life of your laptop.