This universal battery activation board is a professional tool designed for mobile phone repair technicians to quickly activate, charge, and test batteries for various smartphone models. Supports fast battery activation and fast charging, effectively wakes up batteries that have been idle or deeply discharged for a long time, enables basic battery performance checks such as activation status and charging response, and helps technicians quickly determine the battery condition before replacement or further repair. Stable and safe operation: Designed with overcurrent and short circuit protection, it helps protect the battery and maintenance equipment during activation and charging processes. For mobile repair shops, refurbishers, and technicians who require efficient and compact solutions to complete daily battery activation and testing tasks. Durable structure: Using PCBs and components to ensure long-term stable performance during frequent use in a professional maintenance environment. Application scenario: Very suitable for activating batteries before installation, testing second-hand or stored batteries, and assisting in diagnosing power on issues related to battery failures on your device. Color: Blue Material: PCB Package Contents: 1 * Battery charging testing board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.