2-power Main Battery Pack - Akku - 4.250 mAh (2P-C21N1833)

With a robust 45.9Wh energy reserve and 4250mAh capacity, this 6-cell lithium-ion pack keeps demanding laptops running through long workdays without hunting for a wall outlet.

Overview

The 2-Power 2P-C21N1833 is a replacement laptop battery engineered for users who need dependable, long-lasting power. Its 10.8V nominal voltage matches original specifications, while the 6-cell configuration delivers a balance of runtime and weight. Built with high-grade lithium-ion cells, it offers a typical cycle life of 300–500 charge/discharge cycles, ensuring years of service. The black casing is designed to fit securely in compatible laptop models, providing a seamless swap for your worn-out original battery.

What stands out

• 45.9Wh energy capacity for extended productivity
• 4250mAh capacity with 10.8V output for stable performance
• 6-cell lithium-ion chemistry for optimal energy density
• Comprehensive safety: overcharge, over-discharge, over-current, short-circuit, and over-temperature protection
• CE, RoHS, and FCC certified for quality and environmental compliance
• 1-year warranty for peace of mind

Technical details

• Battery type: Lithium-Ion (Li-ion)
• Capacity: 4250 mAh
• Energy: 45.9 Wh
• Nominal voltage: 10.8 V
• Number of cells: 6
• Colour: Black
• Rechargeable: Yes
• Operating temperature: 0°C to 45°C
• Storage temperature: -20°C to 60°C
• Expected cycle life: 300–500 cycles
• Certifications: CE, RoHS, FCC
• Warranty: 1 year

Our verdict

A reliable, safety-certified replacement battery that restores your laptop's mobility with substantial capacity and durable construction.