🔋 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:
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Voltage: 3.86 V; Capacity: 308 mAh (1.19 Wh)
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CE/RoHS certified; protection against overcharge, over-discharge & short circuit
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High cycle life—retain battery health over 300+ cycles
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Standby time up to 10 days (250 hours)
✅ Professional-grade replacement — please use professional repair service to maintain water resistance and device integrity.