Feature: 1. Voltage and current dual LED display, with voltage, current real time display, when battery plugged in, shows the voltage of the battery, when plugged in, voltage at the power supply displayed and the current is the load current. 2. Large current overload protection function, product designed protection current not exceed 2.7A, when accidentally connected to high voltage, protection plate will automatic cut off the power supply, avoid unnecessary losses, will take a few minutes to return to normal operation. 3. Bottom sponge buffering cushion, PC board bottom using a layer of thick sponge as the bottom button above the battery, effectively alleviate the strength, prevent PC board serious stress damage. Specification: Condition: 100% Brand New Item Type: Battery Activation Board Model: W209 Pro Material: PC Board Color: As Pictures Shown Feature: Voltage Current Meter Function, Charging Status Prompt, Large Current Overload Protection, Voltage Current Dual LED Display, Whole Circuit Reverse Connect Function, Battery Voltage Detection, One Key to Activate Battery, Battery Short Circuit Protection, Number Of Patent Protection, Automatic Identification, Fast Charging, Battery Protection, Intelligence Turn Light, Interface Application 80% Model Upgrade Large Current Intelligent Fast Charging IC Suitable for Android Whole Series Battery Suitable for IOS 4-11/11pro/11promax Weight: Approx. 120g Package List: 1 x Battery Activation Board1 x Data Cable 1 x Tool Cable Note: The old and new models will be shipped randomly.