Duratrax Onyx 235 LCD AC/DC Balancing Charger

  • Duratrax Onyx 235 LCD AC/DC Balancing Charger
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Model: DTXP4235

This is the DuraTrax Onyx 235 AC/DC Advanced Charger with Built-In Balancer. It combines the proven features of the Onyx 230 with balancing and other asked for extras. This charges NiCd, NiMH, LiPo, Li-Ion, and LiFe packs. This comes with AC and DC power cords, Deans, Traxxas, and Tamiya charge leads, and lithium balance adapters for ElectriFly and FlightPower/Thunder Power.

The Model 235 is the most versatile Onyx charger to date. With charge rates of 0.1-8A, it's the right choice for nitro and electric cars and boats, as well as transmitter and receiver packs. It peak charges up to 10 NiCd or NiMH cells, balances and charges up to 4 lithium cells (including LiFeSource LiFe packs) and includes adapters for the five most common battery connectors. In addition to radio battery and balancing jacks, the Onyx 235 also includes a USB jack for charging cell phones, music players and other accessories at the track, plus a mini USB jack for downloading firmware. Detachable AC and DC power cords, a backlit LCD visible under all lighting conditions and a 5-year warranty round out its impressive performance options and protection.



  • Charges 1-10 cell NiCd or NiMH (1.2 - 12V) cells and 1-4 cell LiPo, Li-Ion or LiFe (3.7 - 14.8V) cells
  • Balancing jack for up to 4 lithium cells
  • Universal jack for charging radio batteries
  • Detachable AC and DC input power cords
  • USB jack for charging music players, cell phones and other accessories
  • Mini USB jack for downloading firmware
  • Custom CC/CV charge algorithm carfully charges Lithium Polymer, Lithium-Ion or Lithium Ferrite-Phosphate (A123) batteries fully and safely
  • Pushbutton controls and audible tones for easy setup and control
  • Precise peak detection with automatic TRICKLE charge fills packs completely for optimum voltage and run time, 3 - 20mV adjustable peak detection helps to customize charger-to-battery performance
  • Built-in banana jacks allow connection with many common charge adapters, an adapter with Kyosho type plug is included
  • Built-in fan for long lasting performance
  • Custom reversed LCD with backlight for easy viewing in any condition shows input and output voltges, peak voltage, charge current, charge capacity and time and more
  • Small lightweight switching AC power supply delivers up to 5 amps of charge current
  • Solid state reverse polarity and current overload safety devices
  • FIVE YEAR warranty through Hobby Services beginning at date of purchase

DuraTrax Onyx 235 AC/DC Advanced Charger with Built-in Balancer
AC and DC power cords
Charge leads for Deans Ultra Plug, Traxxas High-Current plug, Tamiya standard connectors, and lithium balance adapters for ElectriFly and FlightPower/Thunder Power
Mini USB cord for firmware updates

AC input: 110V 60Hz - 240V 50Hz, 50W
DC input: 11-15V, 70W
Battery types: 1-10 NiCd or NiMH (1.2-12.0V) 1-4 LiPo, LiIon or LiFe (3.7-14.8V)
Battery capacity range: 50-9900mAh
Fast charge current: 0.1-8.0A linear, adjustable (4C limit for lithiums; 5A limit w/AC input)
Fast charge termination:Peak detection (NiCd/MH cells) cc/cv (lithium cells)
Fast charge safety timer: off-300 minutes
NiCd/MH peak sensitivity: 3-20mV, adjustable
NiCd/MH trickle current: 1/20 fast charge setting (auto mode) or 0-250 mA (manual set)
Lithium balancing accuracy: 5mV per cell
Lithium balancing adapters (2): ElectriFly & FlightPower/Thunder Power
Controls: 4 push buttons
Battery memories: 10
Display type: 2x8 reversed, backlit LCD
Data Displayed: input, output and peak voltage (packs), balancing voltages (cells) & charge current, capacity and time.
Setup tones: on / off
Audible melodies: 5
Output connections*: banana jacks; balancing jack; universal jack (for radio packs); USB jack (for cell phones & music players); mini USB jack (for firmware downloads)
Protective Devices: solid-state reverse polarity and current overload
Cooling system: Fan
Case Size: 6.3 x 5.3 x 1.7 in (160 x 134 x 43 mm)
Weight: 19.7 oz (559 g, w/DC cord attached)

*Adapter leads available seperately

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