AMESUTE Brand, 12 cell 8800mAh Replacement Battery, Li Ion Brand New High Capacity Laptop/Notebook Battery for HP Pavilion DV4-1000 Series and DV4-2000 Series **Not Compatible with HP G60, G61, Pavilion DV4-3000 Series and up, DV5 Series, DV6 Series ** Replacement Laptop Battery for HP Pavilion DV4 select models only. Chec the not compatibility Information on Description section! Li-ion, 10.80V 8800mAh (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!