2-Power ALT42638A - akku - 4 400 mAh 11,55 V

50.82Wh of reliable energy keeps your laptop running through demanding workloads. The 2-Power ALT42638A packs a 4400mAh, 11.55V lithium-ion punch, engineered for stable output and long-term endurance.

Overview

This replacement laptop battery is built to restore full mobility to your device. With a capacity of 4400mAh and a voltage of 11.55V, it delivers consistent power for everyday computing, multimedia, and professional tasks. The lithium-ion chemistry ensures low self-discharge and no memory effect, so you can top up whenever convenient.

What stands out

• High 50.82Wh energy capacity for extended runtime
• Advanced protection against overcharge, over-discharge, short-circuit, over-current, and over-voltage
• Rechargeable design with no memory effect
• Precise fit for compatible laptop models
• Reliable performance from a trusted replacement brand

Technical details

• Battery technology: Lithium-Ion (Li-Ion)
• Capacity: 4400 mAh
• Voltage: 11.55 V
• Energy: 50.82 Wh
• Rechargeable: Yes
• Product type: Laptop battery
• MPN: ALT42638A
• Brand: 2-Power
• Protection: Overcharge, over-discharge, short-circuit, over-current, over-voltage

Our verdict

A dependable power solution that brings your laptop back to life. The 2-Power ALT42638A offers solid capacity and comprehensive safety features, making it a smart choice for users who need consistent performance without the OEM price tag.