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06-05-2025 05:51 AM - edited 06-05-2025 06:12 AM
According to the service manual (on page 35), your battery's part number is L11119-855 (3 cell, 41 Whr, 3.6 Ah Li-ion ).
You can do a search using the part number on Amazon, eBay and Newegg for aftermarket replacement battery.
You can also find your battery's part number in HP parts list.
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