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HP ProBook 450 G3 Battery Replacement - iFixit Repair Guide
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RI04 RI06XL Laptop Battery Replacement for HP ProBook 450 455 470 G3 Notebook | eBay
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Amazon.com: GreenTech New RI04 805294-001 Replacement Battery for HP Probook 450 G3, Probook 455 G3, Probook 470 G3 14.4V 2800mah 4 Cell RI04044-CL RI04XL : Electronics