USB Charging Adaptor for Milwaukee Batteries

USB Charging Adaptor for Milwaukee Batteries

The MIL-1805 USB Charging Adaptor is a compact 5V USB power source designed for use with compatible Milwaukee® 18V lithium-ion batteries. Powered directly by C18B and MIL-18D Li-ion battery platforms, this adaptor delivers convenient on-the-go charging for USB devices—because sometimes the jobsite needs power for more than just tools.

Country of Origin
Varies by production batch

Key Features / Specifications

• Part Number: MIL-1805
• Product Type: USB Charging Adaptor
• Compatibility: Designed for use with C18B and MIL-18D Li-ion batteries
• Input Voltage: 14–22 VDC
• Max Input Current: 1.04A
• Output: 5V, 2A USB
• Open Circuit Voltage: 5.05V ± 0.05V
• Frequency: 150 kHz
• Standby Power Consumption: <50 μA (MCU standby)
• Auto Activation: Automatically activates when device connection is detected
• Auto Standby: Enters standby approximately 15 seconds after disconnection
• Protections:
  • Low input voltage protection (cutoff approx. 13.75V ± 0.3V)
  • Over output voltage protection (cutoff approx. 5.5V)
  • Short circuit protection
• LED Indicator:
  • Non-load: Red on for 1 second, then off
  • Connected: Red on
  • Disconnected: Red on for 1 second
  • Low input voltage: Red flashes 5 times @ 1Hz
  • Over output voltage: Red flashes @ 3Hz
  • Short circuit: Red flashes @ 3Hz
• Weight: 70 g (without packaging)
• Working Temperature: 0°C to 40°C
• Storage Temperature: -20°C to 65°C

Ideal For

• Charging phones and USB-powered devices on the jobsite
• Converting Milwaukee® 18V batteries into portable power sources
• Service trucks and remote work environments
• Backup USB charging using existing battery platforms