ONYX 255 AC/DC Dual Channel LiPo/NiMH Battery Charger (6S/6A/60W x2) by DuraTrax

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Two independent outputs — identical features & functions! 

The Onyx 255 can peak charge a 15-cell NiCd at the same time it's balance charging a 6S LiPo—and do both anytime and anywhere there's AC or DC power. Push-buttons let you program up to 10 battery charging routines for easy reuse, and a reverse-backlit LCD lets you easily view eight types of pack/cell data and safety alerts even when lighting conditions are at their worst. And, since it's an Onyx charger, it also offers the extra value and long-lasting protection of an industry-leading 5-year limited manufacturer warranty. 



  • Each output charges single lithium cells, balance charges 2-6S lithium cells and peaks 1-15 NiCd/NiMH cells.
  • Convenient charge jack for 4-, 5- and 8-cell radio packs.
  • Simple, push-button setup with confirming visual and audio cues.
  • Safety timer and solid-state reverse polarity and current overload protection.
  • Memory for storing up to 10 battery charging routines per output - 20 in all.
  • Includes 110V AC lead, plus a DC power lead with alligator clips for easy connection to many 12V power sources.
  • Standard and Star Plug/T-Style adapters.
  • Built-in, 60W AC power supply for each output.
  • Charge rates of up to 6A for faster recharging

Stock Number: DTXP4256
AC input: 110V AC 60Hz
DC Input: 11-15V DC
Safety/Protection Devices: solid-state reverse polarity and current overload circuitry; 0-300-minute safety timer; fan
Case size: 6.0 x 2.75 x 7.25 in (152 x 70 x 184 mm)
Weight (w/o cords): 19.5 oz (554 g)

Specifications for each output:
Output Power:
60W (AC & DC)
Battery types: 1-15 NiCd or NiMH (1.2-18.0V); 1-6S Lithium (3.7-22.2V)
Battery capacity range: 100-60,000mAh
Programmable model memories: 10 (each output)
Fast charge current: 0.1-6.0A linear
Fast charge termination: peak detection (NiCd/NiMH); cc/cv (Lithium batteries)
Ni Peak sensitivity: 3-20mV, adjustable
Ni Auto-trickle current: 1/20 fast charge setting or 0-250mA (manual)
Lithium balancing accuracy: 5mV per cell
Lithium node current (max.): 300mA
Controls: 4 push buttons
Display Type: 2x16 backlit, reversed LCD
Data displayed: input, output, peak and individual cell voltages; charge current, capacity & time; battery chemistry; alerts & errors
Input connections: detachable DC lead with alligator clips; detachable AC lead with standard plug
Output connections: built-in banana jacks; built-in jack for 4-, 5- and 8-cell radio packs
Included output adapters: Banana to Star Plug and banana to standard adapters; 2-6S balancing board w/JST XH connector

This product was added to our catalog on June 5, 2018.