MacBook 13″ A1342 Battery – Model A1331 The A1331 battery is a reliable lithium-polymer internal replacement battery designed for the MacBook 13-inch Unibody (Model A1342), produced between Late 2009 and Mid 2010. It restores your MacBook’s original mobility, providing dependable performance for everyday computing. Key Features: Battery Type: Lithium-Polymer (Li-Po) Voltage: 10.95V Capacity: 5800mAh Watt-hour (Wh): 63.5Wh Number of Cells: 6-cell Color: Black Average Runtime: 4 to 7 hours (depending on usage) Recharge Cycles: Up to 1000 Compatible Part Number: A1331 Compatible MacBook Model: MacBook 13-inch Unibody A1342 (Late 2009 & Mid 2010) (Check your model by clicking Apple Menu > About This Mac or inspecting the bottom case of your MacBook) Note: This is a user-replaceable internal battery. A screwdriver set may be needed for installation.
