9 cell, 6600mAh Extended Hight Capacity Laptop Battery for HP/Compaq 593553-001 593550-001 593554-001 593561-001 593562-001 636631-001 640320-001 By AMESUTE **not compatible with HP Pavilion DV3-1000, DV3-2000 series and HP Pavilion DV6-1000, DV6-2000, DV6-3000, DV6T-3100 series laptops** Li-ion, 10.80V 6600mAh (Extended Capacity), Black. Brand new, one year warranty! This battery sticks out from the bottom, elevates the laptop, and makes the laptop COOLER & easier to use for typing! High capacity battery with extended hours. Compatible 100% with OEM product. Easy RETURN / EXCHANGE process with 30 days money back guarantee! Quick responses to your questions or any concerns.