The A2058 Rechargeable Battery for the Apple Watch Series 4 (S4) 40mm is designed to provide reliable power and enhanced performance. Here are the key features and benefits:

Key Features

Battery Type:
- Li-Ion, known for high energy density and efficiency.
Capacity:
- Typically around 291mAh, ensuring adequate power for daily use.
OEM Quality:
- Designed as an Original Equipment Manufacturer (OEM) battery, ensuring compatibility and reliability.

Benefits

Reliable Performance:
- Restores your Apple Watch to optimal efficiency, supporting smooth operation for notifications, fitness tracking, and more.
Extended Usage Time:
- High capacity allows for all-day usage without frequent recharges, making it ideal for active users.
Safety Features:
- Includes protections against overcharging, overheating, and short circuits, enhancing user safety.

Considerations

Installation:
- Professional installation is recommended to avoid any damage during the replacement process.
Charging Practices:
- To maximize battery lifespan, avoid letting the battery drain completely before recharging and follow recommended charging habits.
Compatibility Check:
- Ensure that the battery is suitable for your specific Apple Watch model before purchasing.

The A2058 Rechargeable Battery for the Apple Watch Series 4 (S4) 40mm is an excellent choice for maintaining the performance and longevity of your smartwatch.

Product name	Battery A2058 For Apple Watch Series 4 S4 40mm
Material	Lithium polymer battery
Function	Mobile phone battery
Packing	OPP bag,ESD bag,Pearl bag
Warranty	A year
Certification	ISO,ZQ
Based on the voltage	3.8V
Limited charge voltage	4.35V
ProtectIon	Dual IC Protection (high quality & low ESR)
Technology	Over discharge, over charge, over current and short circuit protection. Low tension injection, charger measurement, double IC protection
ODM/OEM	Support
Use the standard	Use specified charger only! May explode if closed or disposed of in firel. Keep the battery out of reach of childrenl , Do not squeeze or shocks Do not disassemble

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