Product attributes: 100% Original Genuine Battery Type:G020I-B Battery capacity: 2800mAh Voltage limit: 3.85V Compatible with: For Google Pixel 4 New Lithium Ion batteries must be FULLY CHARGED and FULLY DISCHARGED 2 to 3 times, before being FULLY CONDITIONED. Please remember that a new Lithium-Ion battery's full performance and longevity is only achieved after 2 to 3 complete charge and discharge