HP ProBook x360 440 G1 Replacement Battery 11.4V 4150mAh Warranty:Warranty 3 Year then follow the registration sequence

then follow the registration sequence on the handset — typically navigating to Menu → Settings → Register Handset

Fuel gauge calibration after swap: If your device has an integrated fuel gauge or capacity indicator

Ni-MH cells ship in a partially discharged state and need three to five full charge-and-use cycles before they reach rated capacity

and MAX-625 optical power meters and light source instruments

Battery Cells: High-Quality Battery Cells

HP ProBook x360 440 G1 Replacement Battery 11.4V 4150mAh Warranty:Warranty 3 Year then follow the registration sequenceHP ProBook x360 440 G1 11. 4V Li Polymer Replacement Battery (HSTNN UB7P) This 11. 4V, 4150mAh (47. 31Wh) Li Polymer battery replaces the original HSTNN UB7P cell in the HP ProBook x360 440 G1 and related x360 convertible models. It fits the full rotation hinge platform, including the x360 11 G3 Education Edition and x360 11 G4. Cross reference OEM part numbers L12717 421, L12717 541, L12791 855, and RU03XL before installing. ProBook x360 platform