RR03XL HP ProBook 450 G4 / 455 G4 / 470 G4 Laptop Battery

New Battery for HP ProBook 450 G3 / 450 G4 / 455 G3 / 455 G4 / 470 G3 / 470 G4 HP ProBook 450 G4 / 455 G4 / 470 G4 battery is a reliable replacement battery designed to restore original backup power performance for HP ProBook G4 series laptops. It uses high grade lithium-ion or lithium-polymer cells to deliver stable voltage output, efficient charging, and consistent performance for everyday computing tasks such as office work, browsing, and business applications. This battery is built to OEM equivalent standards ensuring safe installation, dependable operation, and long service life. It is compatible with HP ProBook 430 G4, 440 G4, 450 G4, 455 G4, and 470 G4 models. Common OEM part numbers include RR03XL, 851477-421, 851477-422, 851477-541, 851610-850, HSTNN-PB6W, HSTNN-UB7C, HSTNN-LB7I, and related equivalents used across the G4 platform.