New RR03XL Battery For HP ProBook 430 440 450 455 470 G4 HSTNN-PB6W HSTNN-UB7C HSTNN-LB71 51477-422 851610-855 HSTNN-Q01C Product Number: RR03XL Compatible Models: - For HP ProBook 430 G4 series - For HP ProBook 440 G4 series - For HP ProBook 450 G4 series - For HP ProBook 455 G4 series - For HP ProBook 470 G4 series It is strongly advised that you check the voltage and capacity of your original battery before purchasing. Using an incorrect battery may cause damage to your device. For safety, we recommend having the battery verified by a qualified technician if you are unsure.