Feature: 1. Efficient Repair: The battery repair tool can quickly repair aging and damaged batteries through, improving their performance and lifespan. 2. Simple Operation: The battery repair tool has a simple operating interface and easy to use functions, allowing users to complete the repair process without the need for professional skills. 3. Various Functions: Equipped with functions such as unlock, repairing, resetting, editable, data flash, and reading. 4. Perfect Match: Suits perfectly for Macbook 2009‑2022, the battery unlock tool is very reliable, and please mind the matching model before purchase. 5. Convenient Carry: Comes with a compact size and a light weight as well, the battery repair tool is very convenient to carry with you for outdoor use. Specification: Item Type: Battery Repair Tool Model: MBRT Applicable Model: For MacBook Uitable battery, supports for 2009-2022. . Package List: 1 x Battery Repair Tool2 x Battery Connector1 x Wire1 x USB Charging Cable Note: For the correct operation of the battery, SYS_DETECT signal must be connected to ground GND.