2UUL DA84 CVT Grinder Pro Version for Phone Repair | Variable Speed Precision Electric Grinding Pen

The 2UUL DA84 CVT Grinder Pro Version for Phone Repair is a premium precision electric grinder engineered specifically for advanced smartphone and electronics repair. Built for repair professionals, it combines powerful performance with precise control, making delicate polishing, grinding, and restoration work safer and more efficient.

Powered by a 3400mAh rechargeable lithium battery, the DA84 delivers long operating time while supporting USB Type-C fast charging for convenient daily use. The intelligent digital LED display clearly shows the current speed level, allowing technicians to maintain consistent performance throughout every repair.

Its stepless variable speed control allows users to smoothly adjust the motor speed up to 18,000 RPM, providing exceptional precision for different repair applications. Whether removing damaged pads, polishing IC areas, correcting phone frames, repairing charging ports, or handling delicate motherboard work, the DA84 delivers excellent control without excessive vibration.

The grinder also features forward and reverse rotation, enabling easy switching between clockwise and counterclockwise operation with a single click. The quick-lock spin chuck allows fast replacement of grinding bits while ensuring secure holding during operation.

Designed with an ergonomic aluminum alloy body and anti-slip textured grip, the DA84 offers maximum comfort during extended repair sessions. Its lightweight construction reduces hand fatigue while maintaining excellent balance and accuracy.

Key Features

• Professional electric grinder for mobile phone repair
• Stepless variable speed adjustment
• Maximum speed up to 18,000 RPM
• Intelligent digital LED speed display
• One-button forward & reverse rotation
• Quick-lock spin chuck for easy bit replacement
• USB Type-C rechargeable
• Large 3400mAh lithium battery
• Low vibration and stable operation
• Comfortable anti-slip aluminum body
• Suitable for long working hours

Ideal Applications

• Motherboard pad polishing
• IC chip polishing
• PCB grinding
• Frame correction
• Charging port repair
• Sliding screw removal
• Solder mask removal
• Precision electronic component repair
• Smartphone motherboard maintenance
• Professional mobile repair workshops

Product Specifications

• Brand: 2UUL
• Model: DA84 CVT Grinder Pro Version
• Input Voltage: 5V
• Battery Capacity: 3400mAh
• Maximum Speed: 18,000 RPM
• Charging Port: USB Type-C
• Product Size: 168 × 22 × 25 mm
• Gross Weight: 276g

The 2UUL DA84 CVT Grinder Pro is an excellent choice for professional technicians who demand precision, reliability, and complete control in advanced mobile phone motherboard and component repair.

The 2UUL DA84 CVT Grinder Pro Version is a professional cordless electric grinding pen designed for precision mobile phone repair. Featuring stepless variable speed control up to 18,000 RPM, a Type-C rechargeable 3400mAh battery, and a digital speed display, it is perfect for PCB pad polishing, chip grinding, frame correction, screw removal, and delicate electronic repairs. Its ergonomic design, quick-change chuck, and bidirectional rotation make it an essential tool for professional repair technicians.

The 2UUL DA84 CVT Grinder Pro Version is a professional cordless electric grinding pen designed for precision mobile phone repair. Featuring stepless variable speed control up to 18,000 RPM, a Type-C rechargeable 3400mAh battery, and a digital speed display, it is perfect for PCB pad polishing, chip grinding, frame correction, screw removal, and delicate electronic repairs. Its ergonomic design, quick-change chuck, and bidirectional rotation make it an essential tool for professional repair technicians.