Synergy Digital Laptop Battery, Compatible with HP Envy dv6-7292nr Laptop, (Li-ion, 11.1V, 6600mAh) Ultra High Capacity, Replacement for HP 671567-421, 671567-831, 671731-001, 672326-421 Battery - Walmart.com
Powerwarehouse MC04 compatible battery for HP Envy 17-N, M7-N 14.4V 40Wh 2800mah | eBay
High Quality HP Envy DV6-7280LA Replacement Battery | Laptop Battery Direct