New Watch Battery A2663 A2552 A2815 For Apple Watch S7 41mm Apple Watch S7 45mm S8 45mm Watch Replacement Battery

Battery Model:A2663,A2552,A2815 Compatible With： A2663 For Apple Watch Series 7 41mm (284mAh) A2552 For Apple Watch Series 7 45mm (309mAh) Battery Country of Origin: China Packing specification: Bulk

Important: 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 cycles. After you go through 2 to 3 cycles, you'll never have to condition your battery again! All talk and standby times are approximate, depending upon carrier's network settings, signal strength, and features selected. Talk and Standby times will be lower in Analog mode as noted above.