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Sony PCG-R505DF Battery
Your Sony PCG-R505DF battery makes your laptop portable so as to work or play anywhere you please. It is OK to buy a battery with more milliamps, it just means the battery will go further on a single charge. What really is critical to a battery fitting your laptop is the physical size of the battery as well as the connection. The more power the battery has, the longer you will be able to use the laptop when fully charged. Because no battery is the same, be sure to check the physical connection and size and compare it to the old one.
Important hints the li-ion battery is in dire need of a replacement
- The laptop lasts less than half an hour before it shuts itself down
- The battery has its case swollen and looking like it is going to burst
- The unit will not boot up when it is unplugged
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