SWARK New Rechargeable Battery A2277 Compatible with Apple Watch Series 5 40mm /SE 40mm A2277/A2156/A2094/A2092 Battery with Tools-(Not for Series 5 44mm)

If you have questions about the installation process, please review the following points: 1.Batteries are not fully charged when they leave the factory (fire and transportation requirements), which will generally produce a virtual power state; 2. New lithium batteries used for the first time, please use up the virtual power before the first charge, in favor of battery life; 3. New batteries just used, due to the core has not been fully activated, resulting in unstable power, the battery is not durable; 4. The first charge for 6-8 hours is the most appropriate, the cycle of charging and discharging 2-3 times after the electricity, the battery cell will be fully activated; 5. All of the above are normal phenomena, and each subsequent charge can be full. 6. If the battery does not charge, check that the flex cable position is connected correctly.