Battery 2-Power 11.1v 6 cell 57Wh Laptop Battery replaces 451-11459

The 2-Power 11.1V 6-cell 57Wh laptop battery replaces model 451-11459 and provides a high-capacity power source for compatible portable computers. Designed and assembled using quality lithium-ion/polymer cells from reputable manufacturers, this 2-Power battery delivers stable performance and extended runtime for everyday laptop use. SmartWatch Protect technology monitors charging and discharging to help prevent short circuits and overheating.

Advantages

This replacement battery offers a rated capacity of 57Wh (4400 mAh) and a six-cell design for consistent voltage and reliable operation. It supports faster charging and steady power delivery typical of batteries built with high-grade cells. The integrated protection system reduces the risk of damage from thermal stress or electrical faults, and its relatively light weight (0.335 kg) keeps the laptop portable.

Suitable for

• Replacing a worn or failing 451-11459 battery in compatible laptop models
• Users who need longer unplugged runtime for travel or field work
• Everyday productivity tasks such as web browsing, document editing, and video playback

Key specifications

• Brand: 2-Power
• Model replacement: 451-11459 (MPN: 2P-451-11459)
• Voltage: 11.1 V
• Capacity: 57 Wh (4400 mAh)
• Cells: 6-cell configuration
• Weight: 0.335 kg

How to use

Power down the laptop, disconnect any external power source, and remove the old battery following the manufacturer’s instructions for your laptop model. Insert the 2-Power replacement battery into the battery bay until it clicks or locks into place, then reconnect power and charge the battery fully before first use. Observe the laptop’s battery status indicators and operating system battery manager to confirm proper recognition.

Usage recommendations

Charge the battery to full capacity before initial use and avoid exposing it to extreme temperatures. Use the laptop’s original charger or a compatible charger specified by the laptop manufacturer. If storing the battery for an extended period, keep it at approximately 40–60% charge and in a cool, dry place. Replace the battery if you notice swelling, excessive heat, or significant capacity loss.