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Dell Vostro 2521 Battery
Your Dell Vostro 2521 battery makes your laptop portable so as to work or play wherever you fancy. Buying a battery with a higher milliamp rating is fine, it just means the battery will go further on a single charge. What is important is the connection type and physical size of the battery. The larger the battery, the longer it will last when fully charged. Because no battery is the same, make sure and double-check the physical connection and size and compare it to the old one.
Simple signals the li-ion battery will need to be replaced
- The battery gets puffy like its about to burst
- The laptop does not run longer than one hour while unplugged
- The Dell laptop will not boot up at all when unplugged
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