Duratrax Onyx 150 Peak Charger Product Manual

Duratrax Onyx 150 Peak Charger Product Manual
The Onyx 150 AC/DC LiPo balancing charger is the perfect entry-level LiPo charger for modelers using up to 3S LiPo
batteries. Inexpensive and very easy to operate, the Onyx 150 utilizes the CC/CV charge method, with voltages customized
for LiPo batteries. Capable of operating from 110V AC or 12V DC input sources, this tiny, lightweight charger is perfect for
use at home or in the field. Selectable charge currents range from 1.5A to 5A and a built-in balancing function ensures all
cells are charged to optimum voltage every time.
It is strongly recommended to read this manual completely before use! Damage resulting
from misuse or modification will void your warranty.
WARNING!! Charging lithium-based rechargeable batteries poses a risk of FIRE! NEVER
treat lithium-based batteries in the same manner as other battery types. NEVER leave
lithium batteries unattended while being charged! ALWAYS charge lithium-based batteries
in a fireproof location! Failure to follow all care and handling instructions contained in
this manual could result in quick, severe, permanent damage to the batteries and all
surroundings!! Follow all safety precautions when using such batteries, as listed on
page 3 of this manual!
AC Input:
DC Input:
Output Power:
Battery Types:
Battery Capacity Range:
Fast Charge Start:
Fast Charge Current:
Fast Charge Termination:
Fast Charge Safety Timer:
Display Type:
110V AC 60Hz, U.S. plug
11-15V DC, detachable lead
with alligator clips
AC: 50W DC: 50W
1-3S LiPo
100 ~ 7500mAh
Auto start at hook up
1.5A, 3.5A, 5.0A*
CC/CV (Based on nominal
voltage of 3.7V/cell)
90 Minutes
Auto-start, switchable current
3-color LED
Output Connections:
Balancing Connector:
Balancing Accuracy:
Max. Node Current:
Protective Devices:
Attached lead with Deans®
Ultra Plug® male connector &
radio charge jack
ElectriFly® style 3S (2S
adapter included)
5mV per cell
Solid-state reverse polarity &
current overload
4.1 x 3.5 x 1.1 in.
(104 x 90 x 29mm)
16.6 oz (470 g)
*Note: Maximum charge current for a 3S pack will be ~4.6A.
Built-in balancing for 1-3S LiPo.
1.5A, 3A, 5A selectable charge rates.
Includes built-in radio battery jack for receiver or transmitter batteries.
Deans® male Ultra Plug® installed on output.
Includes Deans® female to Traxxas® male adapter.
Detachable DC input cord.
Built in balancing connector for 3S with 2S adapter included.
● Do not leave the charger unattended while in use.
● Disconnect the battery and remove input power from the charger immediately if the charger or
battery becomes hot!!
● Disconnect the battery if it begins to swell while being charged!
Do not attempt to charge any battery types other than LiPo as permanent damage to the battery and charger could result.
Do not use automotive type battery chargers to power the charger.
Do not allow water, moisture or foreign objects into the charger.
Do not block the fan or air intake holes, which could cause the charger to overheat.
Do not attempt to use batteries with more cells or total voltage than listed in the specifications.
Do not place the charger or battery on flammable surfaces or near combustible materials while in use, such as carpet,
cluttered workbench, paper, plastic, vinyl, leather, and wood, inside an R/C model or full sized automobile.
Do not overcharge batteries as permanent damage could result. Do not use a charge current that exceeds the safe
level of the battery.
Do not connect the charger to AC and DC inputs at the same time.
Allow the charger and battery to cool down between charges.
Always disconnect from power source when not in use.
Amps (A): The unit of measure for charge current.
Milli-amps (mA): A unit of measure for current, being amps (A) multiplied by 1000 and listed as “mA”. So 2.5A is the same
as 2500mA (2.5  1000). Or, to convert mA to amps, divide the mA number by 1000. So 25mA is the same as 0.025A (25
divided by 1000).
Capacity and milli-amp hours (mAh): The amount of energy a battery can store is called its capacity, which is defined
as how much current a battery can supply constantly over one hour of time. Most hobby batteries are rated for capacity
in “mAh” or milli-amp hours. A 650mAh battery can deliver 650mA of current for one hour (650mA  1hr = 650mAh). A
3200mAh battery can deliver 3200mA (3.2A) of current for one hour (3200mA  1hr = 3200 mAh), etc.
“C” rating: Capacity is also referred to as the “C” rating. Some battery suppliers recommend charge currents based on the
battery’s “C” rating. A battery’s “1C” current is the same number as the battery’s rated capacity number, but noted in mA or
amps. A 600mAh battery has a 1C current value of 600mA, and a 3C current value of (3  600mA) 1800mA or 1.8A. The
1C current value for a 3200mAh battery would be 3200mA (3.2A), etc.
AC Input: For indoor use, this charger includes a built-in switching AC power supply that delivers power by connecting the
AC power cord to a common U.S. 110V AC outlet.
DC Input: This charger can be powered by a portable 12V DC power source for use at the track. On the left side of the
charger, connect the DC power cord’s alligator clips directly to the output terminals on the 12V DC power source. Always
match polarities (red lead to red “+” terminal, black lead to black “-” terminal). To utilize the charger’s absolute maximum
power capabilities the DC power source must be capable of delivering at least 7 amps while maintaining 12 volts DC.
WARNING! Never accidentally short together the positive (+) and negative (–) input connections when
connected to 12V DC power. Failure to do so could result in permanent damage to the power source
and the charger.
The charger will be on at all times when connected to input power. Disconnect the charger from input power when not in use.
110V AC input
12V DC input
Current selection switch
Status LED
2S adapter
Radio battery jack
Balancing jack
Output lead
Deans® to Traxxas® adapter
WARNING! Do not attempt to charge one battery through
the main output lead and another through the jack on the front edge of the
charger at the same time! Doing so might permanently damage the charger.
WARNING!! DO NOT try to charge lithium-polymer (LiPo) cells in the same way as other battery types!
Always read the instructions that are included with your lithium batteries carefully before use. Failure
to follow these care and handling instructions can quickly result in severe, permanent damage to
the batteries and their surroundings and even start a FIRE!
ALWAYS charge lithium batteries in a fireproof location, which could be a container made of metal or ceramic tile.
Monitor the area with a smoke or fire alarm, and have a lithium approved fire extinguisher available at all times.
ALWAYS use a LiPo charge bag when charging LiPo batteries, such as the Great Planes® SafeCharge™ LiPo Battery
Charge Bag (GPMP0751).
NEVER attempt to extinguish a lithium fire with water or a non-lithium approved fire extinguisher! Use ONLY a “Class
D” fire extinguisher.
ALWAYS provide adequate ventilation around LiPo batteries during charge, while in use, and during storage.
NEVER allow LiPo cells to overheat at any time, as they can and usually will become physically damaged and
could possibly EXPLODE or catch FIRE!! If a battery becomes overheated (over 140°F, 60°C), disconnect it from
the charger IMMEDIATELY!
NEVER continue to charge LiPo batteries if the charger fails to recognize full charge. LiPo cells which swell or emit
smoke may be in an overcharge condition and should be disconnected from the charger immediately.
NEVER charge LiPo batteries at currents greater than the maximum rated current as specified by the battery’s
NEVER allow LiPo cells to come in contact with moisture or water at any time.
NEVER allow the internal electrolyte from LiPo batteries to get in the eyes or on skin – wash affected areas immediately
if they come in contact with the electrolyte and contact your physician!
ALWAYS keep lithium batteries away from children.
LiPo Voltage Chart
Always read your battery’s label and/or instruction sheet before use.
Check to determine how many cells it contains or its nominal rated
voltage. The chart at right is a quick reference for determining this
Number of Cells
Nominal Voltage
3.7 V
7.4 V
11.1 V
1. Connect the charger to either AC or DC input power.
2. The charger will beep and the orange LED will flash once. The
green LED will flash very slowly (once every four seconds) as a
reminder that power is applied to the charger, and it’s now ready
for use.
3. Select a charge current with the current selection switch. Refer
to the chart at right for recommendations. Do not exceed the
maximum rated charge current for the battery.
Charge Current Recommendations
Rated Capacity
Current Setting
750 –1500mAh
1500 – 3500mAh
3500 – 7500mAh
1.5 A
3.5 A
5.0 A
4. START CHARGE – Connect the battery to the charger:
A. For a 3S battery that includes a balancing lead similar to as shown at right, connect it
directly to the balancing jack on the side of the charger. If using a 2S LiPo pack, connect
the battery’s balancing lead to the supplied 2S adapter, and the adapter to the charger’s
balancing jack. IMPORTANT! ALWAYS connect the battery’s balancing lead to the
balancing jack on the charger! Note: For LiPo batteries that have a FlightPower® / ThunderPower balance connector,
an optional adapter will be needed and is available separately (Onyx 150 ThunderPower Balance Adapter, DTXP4160).
B. Connect the battery’s main lead to the charger’s output lead. For batteries having a Deans® Ultra Plug®, connect
it directly to the Deans connector on the charger. For batteries with a Traxxas connector, the included Deans to
Traxxas adapter will need to be connected to the charger first. Then connect the battery to the adapter. For batteries
that ONLY have a universal Rx connector, connect it directly to the radio jack on the front edge of the charger. Make
sure the battery’s black wire is on the right when inserting the radio connector into the radio jack. NOTE: Both the
balance lead and the main charge lead MUST be connected in order to charge!
Once the battery is connected, the charger will beep and automatically detect the number of cells in the pack, and
the green LED will flash once for each cell in the pack. Fast charge will start automatically. The CC/CV charge
method will fully charge the battery.
5. When the battery has become fully charged, the red LED will flash quickly, with tones for 10 seconds to indicate that
fast charge has ended. Low level balancing currents may be applied after fast charge ends, if needed, until the battery
is disconnected. The battery is now ready for use and can be disconnected from the charger.
To manually stop charge at any time, disconnect the battery from the charger. The orange LED will flash for 3 seconds
and then return to ready mode.
A backup safety timer is built-in to automatically stop charge if the battery does not become fully charged in 90 minutes.
If the LED begins flashing quickly (once per second), the safety timer has stopped charge. The battery might NOT be
fully charged at this time. You could attempt to measure the voltage of the battery to determine if charge was actually
received. Refer to the Troubleshooting Guide for more details.
LED Activity
LED Color
Flashes 1 time (no battery connected)
Charger is in “Ready” mode and ready to charge.
Flashes 1 time (battery connected)
1S LiPo is connected and charging.
Flashes 2 times
2S LiPo is connected and charging.
Flashes 3 times
3S LiPo is connected and charging.
Flashes repeatedly (with audible
tones for 10 senconds)
Battery has just finished charge and is ready for use.
Flashes 1 time
1S LiPo is finished charging and can be disconnected for use.
Flashes 2 times
2S LiPo is finished charging and can be disconnected for use.
Flashes 3 times
3S LiPo is finished charging and can be disconnected for use.
See Error Code Chart
Once the Onyx 150 has finished charging, the red LED will flash repeatedly in conjunction with audible tones. After the
flashes and tones stop, the red LED will continue to flash once for each cell connected. (All errors are displayed by an
orange LED. See the error code reference chart in this manual.)
Vents are built into the case to allow hot air to escape to help keep the electronic circuitry cool. This helps to maintain
accurate operation and maximize the lifespan of the charge itself.
A built-in cooling fan helps to keep the charger cool during operation. This will help extend the service life of the charger
and allow it to function more accurately and efficiently. CAUTION: Do not block the vent holes or cooling fan during
operation, as it could cause the charger to overheat and possibly cause permanent damage.
Errors are displayed by an orange LED. Several safety features are included in this charger to protect itself and the battery
against certain unwanted conditions, as follows:
Error Code Chart
Orange LED Action
Problem and Solution
Flashes once per 3 seconds
90-minute safety timeout occured. Charge current setting is too low for
battery. Battery might have internal problem and require replacement.
Flashes twice per 3 seconds
The battery is connected backwards. Reverse connections.
Flashes three times per 3 seconds
The voltage on the input is out of the 11 –15V range. Check the voltage
on the input and adjust as necessary.
Flashes four times per 3 seconds
The voltage of the pack or any cell is unacceptable. Ensure the battery
pack is not out of balance before calling Product Support.
Battery connected but no LED
Charger not properly connected to input power or to battery. Re-check
all connections and wiring. OR internal problem exists in charger or
battery — contact Hobby Services.
Battery voltage low after charge
is completed
Make sure charge current selection isn’t too low for battery. Battery may
be defective or out of balance and require replacement. Make sure the
charger’s backup safety timer hasn’t expired before full charge ended.
Duratrax warrants this product to be free from defects in materials and workmanship for a period of five (5) years from
the date of purchase. During that period, Duratrax will, at its option, repair or replace without service charge any product
deemed defective due to those causes. You will be required to provide proof of purchase (invoice or receipt). This warranty
does not cover damage caused by abuse, misuse, alteration or accident. If there is damage stemming from these causes
within the stated warranty period, Duratrax will, at its option, repair or replace it for a service charge not greater than 50%
of its then current retail list price. Be sure to include your daytime telephone number in case we need to contact you about
your repair. This warranty gives you specific rights. You may also have other rights, which vary from state to state.
For service on your Duratrax product, warranty or non-warranty, send it post-paid and insured to:
3002 N. Apollo Drive Suite 1
Champaign, IL 61822
(217) 398-0007
*For warranty and service information if purchased outside the USA or Canada, see the additional warranty information
insert (if applicable) or ask your retailer for more information.
© 2012 Hobbico Inc. All rights reserved.
Made in China
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