PSA 2-Power (2P-S31-S551) 11.1v 48Wh Laptop Battery - replaces S31-S551 Battery

Battery life draining while you work? A weak or failing laptop battery can halt your productivity and force you back to a power outlet. The PSA 2-Power (2P-S31-S551) 11.1v 48Wh Laptop Battery - replaces S31-S551 Battery gives you a reliable, high-capacity power source that fits your notebook perfectly, letting you stay unplugged for longer and finish tasks without interruption.

Why Choose a PSA Laptop Battery

Enjoy smooth, uninterrupted sessions with a battery that charges quickly and holds its charge. The lithium-polymer cells deliver steady power, so your laptop feels responsive and ready whenever you need it. With built-in SmartWatch Protect, you gain peace of mind knowing the battery monitors temperature and prevents short-circuiting, extending both device and battery life.

Benefits of PSA Laptop Battery

• Faster charging: Saves time by reaching full power quickly.
• Longer unplugged use: Keeps you productive away from sockets.
• Reliable performance: Reduces unexpected shutdowns and data loss.
• Safety monitoring: Protects against overheating and short circuits.
• One-year warranty: Gives confidence and support if anything goes wrong.

Key Features of a 48Wh Laptop Battery

• Capacity: 4400 mAh - Provides ample energy for extended work periods.
• Voltage: 11.1 V - Matches original specifications for optimal performance.
• Technology: Lithium polymer - Offers lightweight design and high energy density.
• Weight: 8.04 oz - Light enough to keep your laptop portable.
• Warranty: Limited 1-year - Covers defects for peace of mind.
• Packaged Quantity: 1 - Ready to replace the old battery straight out of the box.
• Product Type: Notebook battery - Designed specifically for laptop use.
• Device Type: Notebook battery - Ensures proper fit and function.
• Subcategory: Batteries - Part of a trusted range of power solutions.
• Service & Support: 1-year warranty - Includes assistance from the manufacturer.

Usages of a 48Wh Laptop Battery

This battery is ideal for students, professionals and travellers who need dependable power for long study sessions, business presentations or remote work. It also suits anyone replacing a worn-out original pack, ensuring their notebook runs as long as the day demands.

Specifications