2-power pääakku Acer Aspire 4251 - akku - 4 400 mAh (2P-BT.00603.111)

When your Acer Aspire 4251 runs out of juice in the middle of a work session or a long flight, this 2-Power main battery pack steps in to keep you productive. It delivers 4400 mAh at 10.8V, giving your laptop the energy it needs to power through spreadsheets, presentations, or streaming without being tethered to a wall outlet. The 6-cell lithium-ion design ensures reliable performance and a long service life, so you can count on it day after day.

Key specifications

• Battery type: Lithium-Ion (Li-Ion)
• Capacity: 4400 mAh
• Voltage: 10.8 V
• Energy: 48 Wh
• Number of cells: 6
• Colour: Black
• Rechargeable: Yes
• Protection: Overcharge, over-discharge, over-current, short-circuit
• Certifications: CE, RoHS
• Condition: New

Why choose it

This battery is built to match or exceed the original Acer battery in performance and reliability. It replaces part numbers AS10D31, AS10D41, AS10D51, AS10D61, AS10D71, AS10D73, and AS10D75, making it a perfect fit for your Aspire 4251 and several other models. With built-in protection circuits, your laptop is safe from common electrical hazards, and the high-quality cells ensure consistent power output.

Ideal use cases

• Extending work sessions away from power outlets
• Replacing an aged or failing original battery
• Keeping a spare battery for travel or long meetings
• Reviving an older Acer Aspire laptop for continued use

Good to know

Compatible with Acer Aspire 4251, 4551, 4741, 5741, and 7741. The battery is brand new and comes in a sleek black finish that matches your laptop. It's an external battery pack, so installation is straightforward—just slide it into the battery compartment. For best results, fully charge and discharge the battery a few times upon first use to calibrate it.