✅  For Original Apple Watch Series 4 40mm Battery Battery – 225 mAh – 0 Charge Cycles – OEM Quality  ✅ 📱  Product details Related device: Apple Model: Apple Watch Series 4 – 40mm Product Type: Battery / Battery 🔋  Quality features ✔️ High quality OEM ✔️ 225 mAh capacity ✔️ 0 Charge Cycles – Factory New ✔️ Overcharge & Overheat Protection ✔️ No memory effect ✔️ Lithium-ion technology for stable runtime ✔️ CE certified ✔️ Tested for function before shipment 🌟  Description The Apple Watch Series 4 brings modern design and strong performance - but after prolonged use, the battery loses a lot of power. If your Apple Watch: quickly becomes empty suddenly turns off