ITEM NAME:W238-A Battery Charging Activate Board Smart Phone Power Supply Activation Plate Product Description Description: W238-A 4.2-5.5V Battery Charging Activate Board Smart Mobile Phone Power Supply Activation Plate for Android Feature: 1. Automatically Power off when full battery. 2. Fully-automatic turn to light for recognition. 3. Fast charging. 4. Battery protection. 5. Voltage display on the left digital tube. 6. Unique charging status reminder function. 7. Battery can be plugged and charged for Android series. Specification: Model: W238-A Input Voltage: 4.2-5.5V Product Size: 95 X 70 X 15mm/3.74 X 2.76 X 0.59" Applicable Models: for iPhone 4-11 MAX Full Series Instruction: Charging the battery: Charging and activating the built-in battery - First connect the small board to the power supply, then the battery can be charged by buckling the activation board. Battery Activation: Activate the built-in battery - Some of the mobile phone's batteries are unable to be charged due to placed for long time, then you need to activate it with this board to make it to be charged normally, connect the small board to the power supply, and directly buckle the battery to the corresponding above the buckle, press the activation button to activate. Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 X Battery Charging Activate Board 1 X Micro USB Cable 1 X Power Cable.Unique charging status reminder function. Fast charging. Automatically Power off when full battery. Battery protection. Fully-automatic turn to light for recognition. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.