The SKYRC D400 is a high-performance, microprocessor controlled charge/balance/discharge station with battery management features suitable for use with all current battery types.

With a maximum 20A charge current and 400W charge power the D400 doesn’t lack the power to charge even the largest packs in regular use and its High Voltage LiPo (LiHV) mode enables it to cope with the new generation of LiPo batteries with an end of charge voltage 4.35V. A programmable terminal voltage feature (expert users only) allows for fine tuning of all of your packs.


Automatic charging current limit, capacity limit, temperature threshold and processing time limits all add up to make this feature-loaded charger easy and safer to use than ever before.


Being a true twin-channel charger with two independent circuits the D400 can charge 2 different types of battery simultaneously to their maximum capacity. It allows the 400W total output to be distributed between the 2 charging channels, so that Channel 1 could be operating at 300W while Channel 2 was at 100W. Please note the Max power for Channel 2 is 200W, while Channel 1 is capable of 400W.


The D400 has a built-in 6~15V 10A power supply output for using with external devices. It can be used as a battery meter and an internal resistance meter to monitor the efficiency of all of your packs and having the facility to upgrade the firmware via the USB port means that the Ultimate Duo 400W charger is a sound investment for your future needs too.


All said, the SKYRC Ultimate Duo 400W charger is a self-contained battery management tool for ALL of your battery charging, monitoring and maintenance needs.



  • Input Voltage: AC 100-240V/DC 11-18V
  • Charge circuit power: 400W
  • Discharge circuit power: 36W
  • Charge current range: 0.1-20A
  • Discharge Circuit Power: 0.1-5A
  • Current Drian for Balancing Port: Max 500mA/cell
  • Ticket Charging Current: 50mA-300mA & OFF
  • DC Power Supply Output: 6-15V/Max.10A
  • LiPo/LiFe/Lilon/LiHV Battery Cell Count: 1-7S
  • NiMH/NiCd Battery Cell Count: 1-18S
  • Pb Battery Voltage: 2-24V
  • Dimension: 258mm x 194mm x 82.5mm
  • Net weight: 2510g


  • SKYRC D400 Ultimate Duo 400W AC/DC Balance Charger / Discharger / Power Supply (1 pc)


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