2-power pääakku 45,5Wh - akku - 4 100 mAh (2P-C31N2105)

When a laptop's original battery begins to fade, the 2-Power Main Battery Pack steps in with a fresh 45.5Wh lithium-ion cell that restores dependable runtime. Unlike generic aftermarket packs, this unit is built around a 4100mAh capacity and a stable 11.1V output, matching the energy profile of many OEM batteries for consistent performance. The black housing integrates cleanly into the notebook chassis, and the internal protection circuitry guards against overcharge, over-discharge, and short circuits to keep the battery safe over hundreds of charge cycles.

Highlights

• 45.5Wh energy capacity with 4100mAh current rating
• 11.1V nominal voltage for compatible laptop models
• Lithium-ion chemistry for high energy density and low self-discharge
• Integrated overcharge, over-discharge, and short-circuit protection
• Black internal form factor designed for direct replacement

In daily use

Installation follows the same procedure as the original battery: power down the laptop, remove the old pack, and secure the 2-Power unit in its place. The battery arrives partially charged, but a full charge before first use helps calibrate the fuel gauge. During normal operation, the protection circuit prevents voltage spikes and deep discharge, which extends the overall lifespan. Users can expect reliable performance for office tasks, web browsing, and media playback, with runtimes varying by system configuration and screen brightness.

Full specifications

• Brand: 2-Power
• Model: 2P-C31N2105
• Product type: Laptop replacement battery
• Battery technology: Lithium-Ion (Li-ion)
• Energy capacity: 45.5 Wh
• Current capacity: 4100 mAh
• Nominal voltage: 11.1 V
• Rechargeable: Yes
• Colour: Black
• Form factor: Internal
• Safety features: Overcharge protection, over-discharge protection, short-circuit protection

Final note

The 2-Power 45.5Wh battery is a practical choice for reviving a laptop that no longer holds a charge. Its protection circuitry and solid capacity make it a dependable alternative to OEM packs, keeping your mobile workstation running through the day.