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Sony VGN-SZ730E Battery
Your Sony VGN-SZ730E battery makes your laptop portable so as to work or play anywhere in the house or even outdoors! The larger the battery, the longer it will last when fully charged. It is OK to buy a battery with more milliamps, it simply means it is a stronger battery. What is truly important is the actual size of the battery and the connection it has. Not all batteries are the same, be sure to check the model number and compare it to the old one.
General warnings of a poorly working Sony battery
- The battery has its case swollen and looks like it will explode
- The laptop does not last longer than 45 minutes before it shuts itself down
- The laptop does not turn on at all when unplugged
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