Product Details
Battery Model: A2552
Capacity Voltage: 309mAh /1.19Wh
Compatible Electronic Device Model: Apple Watch Series 7 45mm A2477&A2478
Package: 1 x Battery, 1 x Tools set
Country of Origin: China

Please note before purchase
1. Please check the model number of your device carefully to make sure the battery is compatible with your device.
2. New lithium-ion batteries do not reach optimal performance until they have gone through two to three full charge/discharge cycles.
3. Please use the original charger for charging, do not use a high power charger. After the battery is fully charged, please turn off the power as soon as possible, do not overcharge. Otherwise, it will affect the charging speed and battery life, and also lead to battery bulging.
4. Do not store or place in high temperature places (such as inside the car, etc.). All of the above will affect the charging speed and battery life, and the battery will also be bulging.
5. There are no instructions on the device, you can watch the tutorial video on youtube and install it by yourself, or ask a technician for help.

If you have any questions, please contact us. We will reply you within 24 hours to solve the problem.