A2815 Replacement Battery for Apple Watch Series 8 45 mm – 308 mAh

🔋 A2815 Replacement Battery – Apple Watch Series 8 45 mm

Revive your Apple Watch with this premium Li‑Polymer battery (3.86 V, 308 mAh / 1.19 Wh)—designed as a perfect OEM-style replacement for Apple part number A2815 

Perfect Compatibility:
Works flawlessly with Apple Watch Series 8 45 mm models A2771 / A2774 / A2775 / A2858 

Key Features:

• Voltage: 3.86 V; Capacity: 308 mAh (1.19 Wh) 

• CE/RoHS certified; protection against overcharge, over-discharge & short circuit

• High cycle life—retain battery health over 300+ cycles 

• Standby time up to 10 days (250 hours) 

✅ Professional-grade replacement — please use professional repair service to maintain water resistance and device integrity.