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Onyx 245 AC/DC Dual Balance Charger


AC Input110V AC 60Hz switching supply with U.S. plug
DC Input11-15V DC, built-in lead with alligator clips
Cooling MethodFan
Protective DevicesSolid-state reverse polarity and current overload
Case Size7.95 x 6.1 x 1.77 in (202 x 156 x 45 mm)
Weight28.2 oz (801 g)
Battery Types4-8 NiCd or NiMH (4.8-9.6V) 1-3 LiPo or LiFe (3.7-11.1V)
Battery Capacity100-7500mAh
Fast Charge Current0.8A, 1.5A, 3A, 5A linear (80W total, 40W each output)
Fast Charge TerminationPeak detection for Ni, cc/cv for lithium
Lithium Balancing Accuracy5mV per cell
Lithium Balancing AdaptersDuraTrax and FlightPower/Thunder Power
Lithium Maximum Node Current200mA
Fast Charge Safety Timer90 minutes
Peak Sensitivity8mV for NiCd, 5mV for NiMH
NiCd/MH Trickle CurrentAuto (50, 100, 150, 250mA)
Controls3 Pushbuttons
Display Type7-Segment custom LCD with blue backlight
Output ConnectionsBuilt-in banana jacks, Built-in jack for 4-5 cell Rx packs or Tx packs
Included Output AdaptersBanana to Standard, Banana to Deans Ultra Plug, Banana to Traxxas High-Current Plug
Audible TonesIndicate start, stop, errors

Technical Specifications:, Specifications for Each Output:,

Onyx 245 AC/DC Dual Balance Charger
Two independent outputs... both with balancing and lithium-capable! LiPo, LiFe, NiCd, NiMH...the Onyx 245 charger handles all of these batteries, with built-in balancing that maximizes their safety, longevity and performance. Its dual charging capability can keep playing.
- Compatible with LiPo, LiFe, NiMH and NiCd batteries.
- Output adapters for ALL the connectors drivers use most!
- Two independent outputs, each with identical features and functions.
- Each output includes built-in balancing for 2-3S lithium packs (both outputs).
- Each output includes a built-in jack for charging 4-5 cell receiver packs and even transmitter packs!
- A small, lightweight, built-in AC power supply is great for cramped pit spaces and easy portability.
- Each output offers selectable charge currents of 800mA, 1.5A, 3A and 5 amps.
- Each output includes a backup safety timer which automatically stops charge to prevent accidental battery overcharge.
- Includes Deans® Ultra Plug®, Traxxas®, and standard connector adapters for each output.
- Includes ElectriFly and FlightPower/Thunder Power™ 6S balance boards.
- Solid-state reverse polarity and current overload protection ensure trouble-free operation.
- A DC power lead with alligator clips easily connects to many 12V DC power sources
The Onyx 245 is two chargers in one. Identical twin outputs make this an excellent choice for models that use two battery packs - and for modelers who rotate through multiple batteries at the field. A built-in balancer for each port ensures optimal charging of lithium packs, including LiPos and LiFe cells such as LiFeSource packs. AC/DC flexibility, an advanced LCD with backlight, and simple menus and controls make it easy to use anytime, anywhere, by anyone. Compact, lightweight, powerful and versatile, the DuraTrax Onyx 245 is a great choice.


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Found 11 years, 8 months ago



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