2-power pääakku 57Wh - akku - 4 948 mAh (2P-5B11N45961)

When your laptop's original battery no longer holds a charge, the 2-Power 2P-5B11N45961 Main Battery Pack steps in to restore full mobility. Whether you're a field technician running diagnostics on-site, a student moving between lectures, or a business traveler working from airport lounges, this 57Wh lithium-ion pack delivers dependable power for hours of uninterrupted productivity. It's engineered as a direct replacement for select laptop models, matching the original's form factor and electrical specifications.

Key specifications

• Battery technology: Lithium-Ion (Li-ion)
• Energy capacity: 57 Wh
• Charge capacity: 4948 mAh
• Nominal voltage: 11.52 V
• Number of cells: 6-cell (estimated)
• Rechargeable: Yes
• Product type: Replacement Laptop Battery
• Product subtype: Main Battery Pack
• Color: Black
• Safety features: Overcharge Protection, Over-discharge Protection, Short Circuit Protection
• Certifications: CE, RoHS (typical)
• Application: Laptop

Why choose it

This battery is built to meet or exceed original specifications, ensuring reliable performance and longevity. Its integrated protection circuits guard against common hazards such as overcharging and short circuits, giving you peace of mind during daily use. The 57Wh capacity provides a solid balance between runtime and weight, making it an ideal choice for users who need all-day power without the bulk.

Ideal use cases

• Replacing a worn-out or dead laptop battery to extend the life of your device
• Keeping a spare battery for long trips or extended work sessions away from power outlets
• Upgrading from a lower-capacity original battery for longer runtime
• IT departments maintaining fleets of laptops for staff

Good to know

Before ordering, please verify that your laptop model is compatible with this battery. The 2-Power 2P-5B11N45961 is designed for specific devices, so check your laptop's manual or manufacturer's website for battery part numbers. Installation is straightforward for most users, but if you're unsure, professional installation is recommended. The battery is rechargeable and should be conditioned with a few full charge/discharge cycles for optimal performance.