Lanrui M191 Universal Motherboard Battery Switch Clip (iPhone / Android / Tablet)
The Lanrui M191 Universal Battery Switch Clip is an essential diagnostic tool designed for quick motherboard power-on testing and fault detection in smartphones and tablets. Compatible with iPhone, Android, and iPad devices, this tool allows technicians to power on devices instantly without disassembling the motherboard, saving time and effort.
Featuring a smart dual-mode system, the M191 enables both current detection and standard power-on functions, helping technicians identify issues like short circuits, leakage, and unstable power supply. Its indicator light system provides real-time feedback, making troubleshooting faster and more accurate.
Built for professional repair environments, the Lanrui M191 is ideal for logic board diagnostics, screen damage testing, and second-hand device inspection, ensuring efficient and safe repair workflows.
Key Features
- One-click power-on function for quick testing
- No need to disassemble motherboard
- Dual working modes: detection & power mode
- Indicator light for real-time current monitoring
- Detects leakage, short circuits, and power faults
- Supports iPhone, Android, tablets, and dual-battery devices
- Compatible with non-encrypted motherboards
- Compact, lightweight, and easy to use
- Ideal for repair shops and technicians
Technical Specifications
- Brand: Lanrui
- Model: M191
- Type: Battery switch clip / power-on tester
- Function: Power-on activation & current detection
- Working Modes:
- Detection mode (with indicator light)
- Power-only mode (no light)
- Compatibility: iPhone, Android phones, tablets, iPads
- Design: Universal clip (unencrypted motherboard support)
- Material: Durable electronic components
- Dimensions: Approx. 35 × 30 × 125 mm
- Weight: Approx. 25g
- Application: Mobile repair, motherboard testing, diagnostics



















