8*18650 Power Bank Cases Battery Holder Dual USB Type C Charge DIY Shell for iPhone Xiaomi Huawei 18650 Battery Case Storage Box
1*Battery power bank case (Not Including the batteries)
This product does not contain batteries.
With anti reverse connection protection, please close the cover after confirming that the function is normal
(non removable：Anti-reverse connection is mainly to prevent the user’s first battery from being burned)
Maximum output/input power:
1. The battery cannot be used if its outer skin is damaged.
2. Pointed batteries cannot be used, only flat batteries can be used.
3.the voltage is in line with 3.2V-4.2V
4. The positive and negative poles need to be placed and used correctly.
5. Do not use or install in a high temperature environment.
6. Maximum power is for reference. The fact Charging power depends on your device, for example: 9V-2A, if your device supports 9V-2A, then it will automatically jump to 9V-2A, if not, it will not jump. So that’s why the customer said our product can’t reach 9V-2A.
7.The batteries should be charge fully when you use our product first time.