HP ProBook 450 G3 Battery Replacement - iFixit Repair Guide
450 G3 (Backlit) - LaptopKeyboard.com
HP Internal Replacement Battery RI04 for ProBook 450 G3, ProBook 455 G3, ProBook | eBay
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Synergy Digital Laptop Battery, Compatible with HP ProBook 450 G3 (T6R24ES) Laptop, (Li-ion, 14.4V, 2200mAh) Ultra High Capacity, Replacement for HP RI04 Battery - Walmart.com
HP ProBook 450 G3 Notebook Review - NotebookCheck.net Reviews
Genuine RI04 805294-001 Battery For HP ProBook 450 G3 L6L03AV L6L04AV - Newegg.com