1. Professional power current test cable for iPhone 5S / 5 SE / 5C / 6 / 6 Plus / 6s / 6s Plus / 7 / 7 Plus / 8 / 8 Plus / X / XR / XS / XS Max / 11 / 11 Pro / 11 Pro Max / SE / 12 / 12 Pro / 12 Mini / 12 Pro Max
2. Use this cable to determine the phone failure by checking the mobile phone operating current
3. Detect the mobile phone failure through the current method
4. The battery activation board bring old or dead batteries back to life,enables the battery to give out more power and prolong its lifetime
5. Note:please do not use more than 5v equipment.