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Sony VGN-CR307E Battery
Your Sony VGN-CR307E battery allows you to move freely about so that you can use it anywhere you please. It is OK to buy a battery with more milliamps, as it signifies that the battery can last for a longer period of time on one charge. What is truly important is the physical size of the battery as well as the connection. The larger the battery, the longer it will last when fully charged. Because no battery is the same, be sure to check the part number of the new battery and compare it to the one you are going to replace.
How do you know when your primary battery really needs to be replaced?
- The unit will not turn on while not connected to the AC adapter
- The laptop does not run longer than one hour before it shuts itself down
- The laptop battery gets puffy and looking like it is going to burst
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