The IdeaPad U450P/U550 6 Cell Li-Ion battery (57Y6309) provides the longest run time for your IdeaPad U450P and U550 notebook.

Features and benefits:

• 6 cell
• 11.1 V dc
• Lithium Ion (Li-Ion)
• Over-discharge protection
• Offers proven battery technology with balanced performance, capacity, and longevity protection
• Backed by a one-year limited warranty with renowned Service and Support from Lenovo

Performance specifications:

• Color: Black
• Output voltage: 11.1 V
• Capacity: 5200 mAH

Note: Battery life (and recharge times) will vary based on many factors including screen brightness, applications, features, power management, battery conditioning, and other customer preferences.

Physical specifications:

• Approximate height: 20mm (0.7874 inch)
• Approximate width: 51mm (2.0079 inch)
• Approximate length: 268mm (10.5512 inch)
• Approximate weight: 328g (0.723 1b)

1 year – Limited warranty

• Announce date: 22 Dec 2009 (country listing)
• Availability date: 22 Dec 2009 (country listing)
• Effective withdrawal date: July 2011

The IdeaPad U450P/U550 6 Cell Li-Ion Battery is supported on IdeaPad U450P and U550.

Note: Not compatible with other Idea Pad notebooks.

• IdeaPad U450P/U550 6 cell Li-Ion Battery
• Manual