Battery 2-Power 11.1v 6 cell 57Wh Laptop Battery - replaces BA43-00155A

The 2-Power 11.1V 6-cell 57Wh Laptop Battery replaces model BA43-00155A and is designed to provide reliable, long-lasting power for compatible laptops. Built with high-grade lithium-ion/polymer cells from established manufacturers, this battery offers stable power delivery and supports extended unplugged use with a 57Wh capacity and 5200 mAh rating. The pack includes 2-Power's SmartWatch Protect circuitry to monitor charging and discharging and to help prevent short circuits and overheating.

Advantages

This replacement battery provides dependable performance and improved run-time compared with many older cells, thanks to its 6-cell design and quality cells. It supports faster, consistent charging behavior and includes built-in protection against short circuits and excessive temperature during charge/discharge cycles. The battery is a direct replacement for BA43-00155A-compatible laptops and is compact and lightweight at approximately 0.317 kg.

Suitable for

• Replacing a depleted BA43-00155A laptop battery
• Extending mobile working time for compatible laptops
• Maintaining consistent power delivery for office, study, or travel use

Key specifications

• Voltage: 11.1 V
• Capacity: 57 Wh (5200 mAh)
• Cell count: 6 cells
• Weight: 0.317 kg
• Replaces: BA43-00155A
• Manufacturer/brand: 2-Power

How to use

Ensure the laptop is powered off and disconnected from the AC adapter before replacing the battery. Remove the existing BA43-00155A battery according to the laptop manufacturer's instructions, insert the 2-Power battery until it clicks into place, and secure any latches or screws. Reconnect the AC adapter and charge the new battery fully before first use to calibrate the battery management system. Follow the laptop’s battery status indicators to confirm correct installation.

Usage recommendations

Store the battery in a cool, dry place when not in use. Avoid exposing the battery to high temperatures, liquids, or direct sunlight. Use the laptop’s built-in power management settings to extend battery life, and cycle the battery periodically by charging and discharging to maintain capacity. If you notice unusual heat, swelling, or performance issues, stop using the battery and contact the seller or manufacturer for support.