2UUL DA86 Mini Grinder for Phone Repair | Portable Precision Electric Grinder with 5-Speed Control

The 2UUL DA86 Mini Grinder for Phone Repair is a professional portable electric grinding pen engineered for precision smartphone motherboard repair and microelectronics maintenance. Its compact size, intelligent speed control, and lightweight design provide exceptional accuracy when working on delicate electronic components.

Designed specifically for mobile repair technicians, the DA86 delivers a maximum rotational speed of 15,000 RPM, making it suitable for precision polishing, PCB restoration, chip grinding, solder pad cleaning, frame correction, and other advanced repair tasks.

The intelligent 5-speed control system allows technicians to easily select the ideal speed for different repair applications. The built-in Memory Gear Function automatically remembers the last speed setting, saving valuable time during repetitive repair work.

Powered by a 320mAh rechargeable battery, the DA86 supports USB Type-C charging, allowing quick and convenient charging for daily workshop use. The LED indicator clearly displays both battery level and selected speed, ensuring uninterrupted operation.

Its ergonomic pen-style body provides excellent grip and precise handling, allowing users to perform delicate polishing work with maximum control while reducing hand fatigue during extended repair sessions.

The grinder includes 10 interchangeable grinding bits to handle a variety of polishing and repair applications. The quick plug-and-replace design allows fast bit replacement without complicated tools.

Key Features

• Professional mini electric grinder for phone repair
• Compact pen-style ergonomic design
• Maximum speed up to 15,000 RPM
• Intelligent 5-speed adjustment
• Memory Gear Function remembers last speed
• USB Type-C rechargeable
• LED battery indicator
• LED speed indicator
• Lightweight portable design
• Torque compensation for stable performance
• Quick plug-and-replace grinding bits
• Low vibration and precise control

Included Grinding Bits

• 0.8A ×2
• 2.5A ×2
• 2.0D ×2
• 2.0K ×2
• 4.0K ×2

(Total: 10 precision grinding bits)

Ideal Applications

• PCB pad polishing
• Motherboard repair
• IC chip polishing
• CPU pad cleaning
• BGA repair preparation
• Frame correction
• Charging port repair
• Micro soldering preparation
• Electronic component polishing
• Precision electronics maintenance

Product Specifications

• Brand: 2UUL
• Model: DA86 Mini Grinder
• Input Voltage: 5V / 1A
• Maximum Speed: 15,000 RPM
• Battery Capacity: 320mAh
• Charging: USB Type-C
• Package Size: 193 × 36 × 22 mm
• Net Weight: 58g
• Gross Weight: 75.5g

Whether you’re performing motherboard restoration, IC polishing, or precision electronic repair, the 2UUL DA86 Mini Grinder delivers the portability, precision, and reliability required by professional mobile phone repair technicians.

The 2UUL DA86 Mini Grinder is a compact, lightweight precision electric grinder specially designed for mobile phone motherboard repair. Featuring 5 adjustable speed levels, memory gear function, 15,000 RPM maximum speed, Type-C charging, and an ergonomic pen-style design, it is ideal for PCB polishing, IC pad cleaning, chip grinding, frame correction, and delicate electronics repair.

The 2UUL DA86 Mini Grinder is a compact, lightweight precision electric grinder specially designed for mobile phone motherboard repair. Featuring 5 adjustable speed levels, memory gear function, 15,000 RPM maximum speed, Type-C charging, and an ergonomic pen-style design, it is ideal for PCB polishing, IC pad cleaning, chip grinding, frame correction, and delicate electronics repair.