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Synergy Digital Laptop Battery, Compatible with Compaq Presario CQ56-112NR Laptop, (Li-ion, 10.8V, 8800mAh) Ultra High Capacity, Replacement for HP MU06 Battery - Walmart.com
High Quality Compaq Presario CQ56-240EF Replacement Battery | Laptop Battery Direct
Compaq Presario CQ56-201SI LHP234 4400 mAh / 48Wh Notebook Battery - BattDepot United States