PI06 P106 Notebook Battery for HP Pavilion Touchsmart 14 15 17 Envy Touchsmart 14 15 17 Series Laptop Fits HP Spare 710416-001 710417-001 Hstnn-Lb40 Hstnn-Lb4N Battery-11.1V 47Wh - Newegg.com
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Synergy Digital Laptop Battery, Compatible with HP Envy 17-2001eg Laptop, (Li-ion, 10.8V, 6600mAh) Ultra High Capacity, Replacement for HP MU06 Battery - Walmart.com