Can I remove my built-in battery from my laptop and then directly connect it to the wall outlet? - Quora
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Amazon.com: Onadrive New 9 Cell Laptop Battery for Dell Inspiron 3420 3520 13R 14R 15R N4010 N4110 N5010 N5110 N7010 N7110 M501 M503 Series,P/N J1knd 4t7jn-[7800MAH/11.1V] : Electronics
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Three different removable battery box, single laptop battery, from year 1999, 2003, 2005 Stock Photo - Alamy
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