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Sony PCG-TR3A Battery
Your Sony PCG-TR3A battery makes your laptop portable so that you can use it anywhere you please. The more power the battery has, the longer it will last when fully charged. 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 important is the connection type and physical size of the battery. Because no battery is the same, be sure to check the physical connection and size and compare it to the one you are going to replace.
Symptoms Sony battery has very little life left
- The laptop battery gets puffy and looking like it is going to burst
- The unit is unable to boot up at all when unplugged
- The laptop lasts less than half an hour while unplugged
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