HP Compaq Presario CQ56-110US Battery Replacement - iFixit Repair Guide
Battery for HP Compaq Presario CQ56-220CA CQ56-230SB CQ56-230SC CQ56-211SO | eBay
Laptop Battery for HP Compaq Presario cq56 123er|Laptop Batteries| - AliExpress
Synergy Digital Laptop Battery, Compatible with Compaq Presario CQ56-100SG Laptop, (Li-ion, 10.8V, 8800mAh) Ultra High Capacity, Replacement for HP MU06 Battery - Walmart.com