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Sony VGN-FZ445E Battery
Your Sony VGN-FZ445E battery makes your laptop portable so that you can use it anywhere you please. Buying a battery with a higher milliamp rating is fine, it just means the battery will go further on a single charge. What is truly important is the connection type and physical size of the battery. The larger the battery, the longer it will last on one charge. Because no battery is the same, make sure and double-check the model number and compare it to the one you are going to replace.
Major signs of an ineffective Sony battery
- The battery is puffed up and looking like it is going to burst
- The laptop does not run longer than one hour before it dies
- The unit is unable to boot up while not connected to the AC adapter
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