Rega IT Replacement Laptop Battery for Hp Pavilion DV4-1226TX DV4-1227LA Laptop Made from highest quality parts each Rega IT replacement Battery confirms to specifications similar and guaranteed to meet or exceed your laptop's minimum requirements. Each Battery also passes necessary authentication certifications like CE, ROHS etc. Before leaving the factory, so you can be rest assured for its quality, durability and performance. Please make sure that you are selecting the correct Battery as per you old Battery specification. Please compare your old Battery Power Rating i.e. Volts (V), Capacity (mAh) & Cells. Warranty : 180 Days Warranty on Manufacturing Defects. Warranty of the Product is Limited to Failure and Manufacturing Defects. Defects due to External Causes, Accidental, Physical Damage, Cut, Burnt, Misuse and Missing Warranty Stickers or Labels Not Covered In War.