2-power 2P-KL.15605.023 - 39,6 cm (15.6)

When your Acer Aspire laptop no longer holds a charge through a full work session, this 2-Power replacement battery restores dependable runtime. It fits 15.6-inch models including the 5738, 5740, 5741, 5742, and 7741 series, and is built with high-quality Li-ion cells for consistent performance in offices, classrooms, or on the road.

Key specifications

• Battery type: Lithium-Ion (Li-ion)
• Voltage: 10.8 V
• Capacity: 4400 mAh / 48 Wh
• Number of cells: 6
• Colour: Black
• Compatible with Acer Aspire 5738, 5740, 5741, 5742, 7741 series and others
• Replaces OEM part numbers: AS09A31, AS09A41, AS09A51, AS09A61, AS09A71, AS09A73, AS09A75, BT.00603.076, BT.00604.032, BT.00605.036, BT.00606.008, BT.00607.066, BT.00607.067, BT.00607.068
• Protection: overcharge, over-discharge, overcurrent, short circuit
• Certification: CE, RoHS
• Operating temperature: 0°C to 45°C
• Storage temperature: -20°C to 60°C
• Expected cycle life: 300–500 cycles

Why choose it

This battery is manufactured to exacting standards, matching the original's dimensions and connector for a secure fit. Integrated safety circuits prevent damage from common electrical faults, while the 48 Wh energy rating provides ample power for everyday tasks. It's a cost-effective way to extend the life of your laptop without compromising on reliability.

Ideal use cases

• Students who need a full day of note-taking and research between charges
• Professionals working remotely or in meetings away from power outlets
• Anyone replacing a worn-out original battery to restore portability
• IT departments maintaining fleets of Acer Aspire laptops

Good to know

For best results, fully charge and discharge the battery a few times after installation to calibrate the laptop's power meter. The battery is designed for external use and can be swapped without tools. Always store in a cool, dry place when not in use for extended periods.