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Sony PCG-R505TSK Battery
Your Sony PCG-R505TSK battery makes your laptop portable so as to work or play anywhere in the house or even outdoors! More amps in a battery basically means the longer you will be able to use the laptop on one charge. It is OK to buy a battery with more milliamps, because it simply implies that the battery will last longer. What is important is the connection type and physical size of the battery. Because no battery is the same, make sure and double-check the physical connection and size and compare it to the old battery.
Key clues of a declining Sony battery
- The unit will not boot up when not connected to the charger
- The laptop lasts less than an hour before it dies
- The battery has its case swollen and looks like it will explode
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