How to Use: Steps to follow 1. Power on the battery detection board using Type‑C or for crocodile clip (USB is only used for output). 2. Insert the Battery connector of for IOS series, find the corresponding battery holder of for Android series according to the marked model, and button it for use. 3. Click the key activation button to activate and switch to automatic quick charging. 4. Automatically shuts down when the battery is fully charged. Automatically shuts down when the battery is fully charged​. Specification: Item Type: Battery Activation Board Material: PCB Package List: 1 x Battery Activation Board Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.​