CZI TK3-M4 Tethered Power System

The CZI TK3-M4 Tethered Power System is a lightweight continuous power solution designed specifically for the DJI Matrice 4E/4T platforms. Engineered for extended aerial operations, the system delivers stable high-voltage power directly from the ground station to the aircraft, allowing for significantly longer flight times without relying solely on onboard batteries.

Built for public safety, surveillance, emergency response, industrial inspection, and persistent monitoring missions, the TK3-M4 system combines portable deployment with rugged performance in demanding field environments.

Features:

• Designed for DJI Matrice 4E & Matrice 4T
• Continuous tethered power for extended flight operations
• Lightweight aviation-grade aluminum air module
• Integrated high-brightness ground station display
• Real-time system monitoring and fault display
• Wired and wireless OTA upgrade support
• Audible power-loss alarm system
• Quick-disconnect scaffolding design
• Portable backpack-compatible ground station

Built for long-duration aerial missions, the CZI TK3-M4 delivers reliable continuous power for professional drone operations across a wide range of applications

Applications

• Public safety operations
• Tactical overwatch
• Emergency response
• Traffic monitoring
• Industrial inspections
• Perimeter security
• Persistent aerial surveillance

In the Box

• TK3 Ground Station (50 meter tether cable)
• DJI Matrice 4E/4T Air Module

Specifications

Ground Station

• Weight:  7.5 kg
• Dimensions:  356 × 310 × 229 mm
• Cable Length:  Up to 50m
• Display:  5-inch high-brightness integrated screen
• Display Information:
  • Output power
  • Line strength
  • System status
• OTA Upgrades:  Wired & wireless supported
• Power Alarm:  Audible alarm for up to 5 minutes after accidental shutdown
• Fault Monitoring:  On-screen fault diagnostics
• Frequency Matching:  Ground and air modules support frequency matching
• Scaffolding:  Quick-detach design

Air Module

• Compatibility: DJI Matrice 4E/4T
• Shell Material:  Aviation aluminum alloy
• Output Power:  600W
• Input Voltage:  380 – 420 VDC
• Output Voltage:  15 – 17V
• Rated Output Current:  38A
• Cooling Method:  Radiator + forced air cooling
• Protection Functions:
  • Overvoltage protection
  • Undervoltage protection
  • Overtemperature protection
  • Short circuit protection
  • Overcurrent protection
• Dimensions:  175 × 95 × 60 mm (L-type structure)
• Weight:  ≤ 530 g