Brand Logo
5 out of 5 Customer Rating

Passport Duo 400W Dual AC/DC Charger

Item No. DYN4300
Brand Logo
5 out of 5 Customer Rating

Passport Duo 400W Dual AC/DC Charger

Item No. DYN4300
This Item is No Longer Available
Selected Store

Product Details

! Attention Canadian Customers !

This product has a Canadian Only Recall. Click Here to learn more.


Key Features

  • Internal AC power supply saves on space and doesn't require a separate external power supply
  • 100–240V AC (50/60Hz) or 11–18V DC input voltage
  • Detachable AC power cord
  • 200W charge power per output
  • 25W discharge power per output
  • Short-circuit, over-current, and reverse-polarity protection
  • Low-input voltage protection
  • Over-temperature protection
  • Battery storage mode
  • IP33CW, IK07 environmental rating
  • Includes (2) insulated banana-to-EC3™ battery adapter cables
  • Includes (2) JST-XH balance adapter boards
  • Optional high-current DC power cord available (DYN4012)
  • Charges Li-Po/Li-Fe/Li-Ion (1–6 cell), Ni-MH/Ni-Cd (1–15 cell) and Pb battery types
  • 500W internal power supply ensures that full power output is available even while utilizing both charge outputs and all USB power options
  • 0.1–10.0A adjustable charge current per output


The Dynamite® Passport™ Ultra Duo battery charger represents the pinnacle of premium, high-performance chargers. The one-of-a-kind Ultra Duo is the only 400W (200W x2) charger on the market with an internal high-capacity (500W) AC power supply. Now extremely fast charge times are possible thanks to the ability to charge at higher C rates, even on AC power! With dual 200W output capability, the Ultra Duo can charge low-to-medium capacity 3C Li-Po batteries in half the time it takes lower wattage/amperage chargers. In addition, the Ultra Duo resides within the family of Dynamite Passport chargers, meaning you get the full gamut of charging features, including the ability to charge virtually all battery types, a digital dot matrix display and an easy-to-use jog dial navigation.

Product Specifications


Battery Balance Connector JST_XH
Discharge Yes
Display LCD ? 2 Line x 16 Characters
Integrated Balancing Yes - Internal Balancer & External Adapter
Low Input Voltage Protection Yes
Maximum Continuous Discharge Rate 0.1 to 5.0A
Normal/Standard Charge Rate 0.1 to 10.0A
Output Connector Banana Plug
Over Current Protection Yes
Peak Detection Yes
Reverse Polarity Protection Yes
Safety Timer Yes
Short Circuit Protection Yes
Thermal Protection Yes