2-power pääakku 57Wh - akku - 4 948 mAh (2P-5B11N45988)

Main battery pack engineered to deliver 57Wh of dependable power in a compact 6-cell lithium-ion configuration. With a charge capacity of 4948mAh and nominal voltage of 11.55V, this replacement battery restores full mobility to compatible laptops, ensuring you stay productive through long work sessions without hunting for a power outlet. Built-in protection circuits guard against overcharge, over-discharge, overcurrent, short circuit, and overheating, so your device and battery remain safe under daily use.

Advantages

Rechargeable Li-ion chemistry provides consistent output and a cycle life of 300–500 charges, reducing the need for frequent replacements. The black housing blends seamlessly with most laptop designs, while the 57Wh energy reserve supports extended runtime for office tasks, media consumption, and light creative work. CE, RoHS, and FCC certifications confirm compliance with international safety and environmental standards, giving you peace of mind with every charge.

Suitable for

• Professionals who rely on their laptop for full-day meetings and remote work
• Students needing reliable power for lectures, research, and assignments
• Frequent travelers who can't always access a wall outlet
• IT departments maintaining fleets of compatible business laptops
• Home users replacing a worn-out original battery to extend device lifespan

Key specifications

• Battery type: Lithium-Ion (Li-ion), 6-cell
• Energy capacity: 57 Wh
• Charge capacity: 4948 mAh
• Nominal voltage: 11.55 V
• Rechargeable: Yes
• Colour: Black
• Protection: Overcharge, over-discharge, overcurrent, short circuit, over-temperature
• Cycle life: 300–500 cycles
• Operating temperature: 0°C to 45°C (32°F to 113°F)
• Storage temperature: -20°C to 60°C (-4°F to 140°F)
• Certifications: CE, RoHS, FCC
• Warranty: 1 year

Recommendations

Before ordering, verify that this battery is compatible with your exact laptop model. Although it serves as a universal replacement for many systems, checking the original battery part number or consulting the manufacturer's compatibility list ensures a perfect fit and optimal performance. For best results, fully charge and discharge the battery a few times after installation to calibrate the power gauge.