Acer AS07B31 Battery for Aspire 5520 / 5720 / 5920

ACER AS07B31 is a dependable replacement battery designed for the Acer Aspire 5520, 5720, 5920 and 6920 series. With a voltage of 11.1V and approximately 44Wh capacity (4400mAh, 6-cell Li-ion), it delivers reliable backup power and consistent performance. Built with premium Li-ion cells and integrated smart protection circuitry, this battery ensures smooth operation, protection from overheating and overcharging, and longer battery life for your laptop. ACER AS07B31 44Wh Laptop Battery fits Acer Aspire 5520 / 5720 / 5920 / 6920 series. Provides reliable 11.1V power, built-in safety protections and long backup life for smooth everyday use.

• Delivers steady power and extended runtime for everyday productivity.
• Smart protection prevents overheating and overcharging.
• Premium Li-ion cells ensure durability and safe performance.
• Perfect fit for listed Acer Aspire models easy installation.

Compatible Laptop Models:

• Acer Aspire 5520 series
• Acer Aspire 5720 series
• Acer Aspire 5920 series
• Acer Aspire 6920 series
• Compatible Part Numbers: AS07B31, AS07B32, AS07B41, AS07B42