Lapguard Laptop Battery Fit For HP Pavilion dv6-1133sa This Lapguard replacement battery is made from high grade cells and highest quality parts. This lapguard brand replacement battery is 100 percent comparable to original battery in all terms including its size, appearance and most important quality. Each lapguard laptop battery has to pass strict quality control procedures including filtration and safety testing of voltage, capacity and battery core (body). 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. Battery part no. model may not be printed on battery Label.