Information about the battery:
◆Compatibility:Battery replacement compatible with Iwatch series 4 40MM only
◆Model:A2058 A1975 A1977
◆Capacity:224.9mAh
◆Watt-hour:0.858Wh
◆Volts: 3.81V ◆Battery type:Li-ion battery
If you have any other information you would like to know, please feel free to contact us. We will get right back to you.

Packing List:
◆battery x1
◆pry bar x1
◆screwdriver x3
◆tweezers x1
◆suction cups x1
◆pry tabs x1
◆adhesive backing x2

Regarding battery installation:
◆Paper instruction manual not included, Our picture comes with a simple installation tutorial. However, videos are much easier to understand than pictures, so we recommend that you look for installation tutorials on YouTube!
◆Battery replacement requires some skill.
Please use caution when purchasing for personal use or for non-professionals. It is best to seek professional service.
We are not responsible for damage caused by installation.

After-sales service：
◆For non-man-made damage, we provide 3 months free replacement service. If you receive a defective battery, please feel free to contact us.
◆Please note: we are not responsible for damage or malfunction caused by improper installation.