This ACER replacement battery is designed for Aspire models including 1640, 1640Z, 1650, 1680, 1690, and 3000. With a typical voltage of 14.8V and a capacity of 4400mAh (8-cell Li-ion), it ensures dependable power backup and consistent performance. Built with premium cells and integrated safety features such as over-heat and over-charge protection, it brings enhanced battery life and smooth laptop operation. ACER Replacement Laptop Battery (14.8V ~4400mAh) fits Aspire 1640 / 1640Z / 1650 / 1680 / 1690 / 3000 series. Ensures reliable power, built-in safety, and longer backup life for smooth computing.

• Provides long and steady runtime for everyday tasks.
• Smart protection circuitry guards against overheating and overcharging.
• High-quality Li-ion cells deliver durability and reliable performance.
• Plug-and-play fit for all listed Aspire series easy installation.

Compatible Laptop Models:

• Acer Aspire 1640 / 1640Z
• Acer Aspire 1650
• Acer Aspire 1680 / 1690
• Acer Aspire 3000 Series