Traxxas EZ-Peak User Manual

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5amp NiMH AC/DC FAST CHARGER INSTRUCTIONS

Covers Model #2937X

IMPORTANT SAFETY INSTRUCTIONS—SAVE THESE INSTRUCTIONS!

DANGER – TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, CAREFULLY FOLLOW THESE INSTRUCTIONS

TERMS OF USE - The buyer assumes all risk associated with using this product. Traxxas, its affiliates, manufacturers, distributors, and retail partners cannot
control the use, application, charging, or installation of this product and shall not be held responsible for any accident, injury to persons, or damage to
property resulting from the use of this product. If you do not agree with these terms and conditions and are not prepared to accept complete liability for the
use of this product, return this product immediately in new/unused condition to your place of purchase. Your hobby dealer absolutely cannot accept product
for return or exchange if it has been used in any way. If you have any questions, call Traxxas Customer Support at 1-888-TRAXXAS (1-888-872-9927). Outside of
the US, call [phone] or e-mail [e-mail].

Warnings, Cautions, & Safety Guidelines

• ALWAYS confirm that the charger settings exactly match the type (chemistry),

The EZ-Peak 5amp charger is designed for use with NiMH and NiCad packs only!

• ALWAYS proceed with caution and use good common sense at all times.

• Only charge packs assembled with 2/3A (receiver packs and “mini” packs) or
sub-C cells (this is the size used in common “stick packs”).

2/3A cell

packs

CAUTION: DO NOT connect the AC and DC inputs to power sources at the

sub-C cell

packs

same time. Connecting both inputs simultaneously will cause permanent
product damage, void the warranty, and may cause injury or fire. Keep a
Class D fire extinguisher nearby in case of fire.

• DO NOT allow children to operate the charger. Keep the charger out of the reach
of children at all times.

• DO NOT let any exposed battery contacts or wires touch each other. This will
cause the battery to short circuit and create the risk of fire.

ALWAYS place the battery (all types of batteries) in a fire retardant/fire proof
container and on a non-flammable surface, such as concrete, while charging. NEVER
charge batteries on wood, cloth, carpet, or on any other flammable material.

• ALWAYS charge batteries in a well-ventilated area.

• DO NOT operate the charger in a cluttered space or place objects on top of the
charger or battery.

REMOVE flammable items and combustible materials from the charging area.

• DO NOT charge, discharge, or use the battery if it is damaged in any way.
Examples of damage or defects include, but are not limited to: batteries with
dented cells, damaged or frayed wires, loose connections, fluid leaks, corrosion,
plugged vents, swelling, cell deformity, impact damage, missing labels, melted
components, or any other signs of damage.

EZ-Peak 5amp Charger Components

specification, and configuration of the battery to be charged.

• DO NOT exceed the battery manufacturer’s maximum recommended
charge rate.

• DO NOT disassemble, crush, short circuit, or expose the batteries or cells to flame
or any other source of ignition.

• Discontinue charging and disconnect the battery from the charger immediately
if a battery becomes hot to the touch during charging (temperature greater
than 122°F/50°C).

• DO NOT leave the charger and battery unattended while charging or anytime the
charger is ON with a battery connected. If there are any signs of a malfunction,
unplug the power source and/or stop the charging process immediately.

• ALWAYS unplug the charger from the wall outlet and disconnect the battery
when not in use.

• DO NOT operate the charger inside of an automobile.

• AVOID short-circuits by always connecting the charge cable to the charger first
and then to the battery to charge or discharge. Remember to always reverse this
procedure when disconnecting the battery.

• NEVER connect more than one battery at a time to the charger.

• DO NOT disassemble the charger.

• REMOVE the battery from your model or device before charging.

• DO NOT expose the charger to water or moisture.

• ALWAYS store battery packs safely out of the reach of children and pets.

• DO NOT charge batteries if you observe ANY of the following conditions:

- Batteries that are fully charged or have been only slightly discharged

- Battery packs that have been altered from original manufacturer configuration

- Non-rechargeable batteries (explosion hazard)

- Batteries that have an internal charge circuit or a protection circuit

A

A. DC power cord
B. Charge Rate

Selection Indicator

C. Charge Rate

Selector Button

D. Start/Stop Button
E. Charge Status/

Error Code LEDs

B

C D

F. Battery Harness with Traxxas

High-Current Connector

G. AC power cord
H. Charger Output Ports

Traxxas, 1100 Klein Road, Plano, TX 75074,

E

G

F

I. Receiver Battery Output
J. USB Output

K

K. AC Cord Port
L. DC Cord Port

TRAXXAS.com

Phone: [phone], Fax: [phone], e-mail: [e-mail]

H

I

J

©Traxxas 2013 SKC13009-R01 130311

L

EZ-Peak 5amp NiMH AC/DC Fast Charger

The Traxxas EZ-Peak 5amp is a versatile, easy-to-use peak-detecting charger that can be
operated with convenient AC power (100-240V) in your shop or at the track or with DC
power (12-18VDC) for field use. The EZ-Peak 5amp’s advanced software and adjustable
charge rate make it simple to charge all common NiMH and NiCad 4-8 cell (4.8-9.6V) R/C
batteries. EZ-Peak 5amp uses sophisticated peak-detecting technology to make certain
your battery pack receives a full charge for maximum performance and run time. The
built-in receiver plug port allows the EZ-Peak 5amp to charge receiver batteries without
an adapter. A 5-volt/1-amp USB port is also provided for convenient charging of phones,
music players, and other devices. DO NOT use EZ-Peak 5amp with LiPo, LiIon, or

LiFe batteries. WARNING! For best charging results and your safety, it is essential

that you read and understand these instructions before using the EZ-Peak 5amp.
Charging and discharging batteries has the potential for serious injury and damage
to property. Use care when charging and follow all instructions and cautions.

Using the EZ-Peak 5amp Charger

1. Plug the AC cord into the charger and insert the
plug into an AC outlet. If using DC power, connect
the DC cord to the charger and attach the alligator
clips to a 12-18VDC power supply or battery. When
the charger is powered on, the LEDs will light in
sequence from left to right to confirm all the LEDs are
functioning properly.

2. Insert the correct charge
lead for your connector
type into the Charger

Output ports. CAUTION:
Be sure to observe correct
polarity; install the red (+)
wire into the red (+) port
and the black (-) wire into
the black (-) port.

3. Plug the battery into the
charge lead.

DO NOT use the receiver port and +/- output ports simultaneously to charge a

receiver battery and another battery simultaneously. This will damage the charger.
NEVER charge receiver batteries at more than 1amp. Charging at higher charge rates
may overheat the battery, causing permanent damage.

Note: The EZ-Peak 5amp features a port for charging receiver packs. Simply plug
the receiver pack directly into the port.

4. Select the charge rate by pressing the CHARGE RATE button. The EZ-Peak 5amp will
advance to the next charge rate each time you press the button. Higher charge rates
will decrease charge time, but may reduce the battery’s cycle life. Traxxas suggests the
maximum charge rate of 5amps be used only for batteries with capacities over 3400mAh.

Maximum Recommended Charge Rates

Battery Capacity (mAh) Charge Rate (A)

600-1400 1
1400-2000 2
2000-2700 3
2700-3400 4

3400-5300 5

WARNING! NEVER charge LiPo, LiIon, or LiFe batteries with the EZ-Peak 5amp. Charging

lithium batteries with EZ-Peak 5amp will cause catastrophic battery failure, including fire.

5. Press and hold the START/STOP button to begin charging. The EZ-Peak 5amp
will beep once and the first Charge Status LED will glow to indicate charging is in
progress. Note: Regardless of the battery’s initial charge level, EZ-Peak 5amp’s Charge

Status LEDs will always light in sequence from left to right as the battery charges.

Note: If you wish to stop charging before the EZ-Peak 5amp indicates the pack is fully

charged, press and hold the START/STOP button. The EZ-Peak 5amp will beep once, and
the Charge Status LEDs will turn off to indicate charging has been halted.

WARNING! Do not leave the charger and battery unattended while charging.

Monitor the battery while charging. It is normal for the battery to become warm as it
nears full charge, but the battery should not become hot. If the battery becomes hot (over
122° F) while charging, disconnect it from the charger immediately.

6. When the EZ-Peak 5amp detects the battery is fully charged, it will beep 10 times,
and the green Charge Status LED will remain lit until the battery is disconnected.

Tip: EZ-Peak 5amp features a battery-disconnect alarm. If the battery is disconnected

while charging, EZ-Peak 5amp will beep at one-second intervals and flash the Charge
Status LEDs. To switch off the alarm, press and hold the START/STOP button.

Tip: EZ-Peak 5amp features an internal safety timer that will shut the charger off if battery

voltage peak is not detected after 90 minutes. If this occurs, the charger will display Error
Code 7. Refer to EZ-Peak 5amp Charger Error Codes for more information.

Tip: EZ-Peak 5amp beeps each time the CHARGE RATE and START/STOP buttons are

pushed. To turn this feature off, press CHARGE RATE and START/STOP at the same time.
Repeat to turn the beep feature back on.

Using the USB Port

Plug your USB-compatible device into the USB charge port to power or begin charging
your USB-compatible devices. The port may also be used while charging R/C batteries.

Charger Specifications

AC Input .................................................................................................................100-240V

DC Input ......................................................................................................................12-18V

Charge Current Range ................................................................1.0–5.0A (50W Max.)

NiCad/NiMH Battery Cell Count ..................................................4-8 Cells (4.8-9.6V)

Receiver Battery Charging ..................................................4-5 Cells (4.8-6.0V) at 1A

USB Charging ..............................................................................................................5V/1A

Net Weight .....................................................................................................................340g

Dimensions .........................................................................147mm x 104mm x 40mm

Protection ..........................................Reverse polarity, short circuit, and overload

Trickle-Charge Current................................................... 1/20 of fast-charge current

AC Power Cord .........................Type SPT-2; 2x18AWG diameter w/C7 plug type

DC Power Cord ....................... Type SPT-2; 2x18AWG diameter w/C8 plug type

Battery Voltage

Number of 1.2V Cells Rated Nominal Voltage

4 4.8V
5 6.0V
6 7.2V
7 8.4V

8 9.6V

EZ-Peak Charger Error Codes

Error

Code

disconnected from the

1

charger or there is a

bad connection to the

There is a short circuit

2

on the charge output.

The battery polarity

3

DC input voltage is

4

5

battery cells is too

The internal charger

6

7

Explanation

The battery is

charger.

is reversed.

out of range.

The number of

low.

temperature is

too high.

The internal

90-minute safety

timer has expired.

a. Check the connection between the charger and

the battery.

b. Press and hold the START/STOP button to turn

off the alarm.

Check the charge lead and the battery for a short.

Make sure the charge lead is connected properly to
the charger. If the charge lead is connected properly,
then check the battery wiring to ensure it is wired
correctly.

Check the DC voltage input. It may be too high
(greater than 18V) or too low (less than 12V).

Charger will only operate with 4-, 5-, 6-, 7-, or 8-cell
battery packs.

Verify that the fan is operating during charging.
If it is not, the charger may overheat. If the fan is
operating correctly and you continue to receive
this error, contact Traxxas Support.

a. If the battery is very hot, discontinue use of the
charger and contact Traxxas Support.

b. The charge rate is too low. Select the charge rate
for your battery from the Maximum Recommended
Charge Rate table to ensure the safety timer does not
expire before the charge has completed.

Solution

Warranty Information

Traxxas electronic components are warranted to be free from defects in materials and
workmanship for a period of 30 days from the date of purchase.

Limitations: Any and all warranty coverage does not cover replacement of parts and
components damaged by abuse, neglect, improper or unreasonable use, crash damage,
water or excessive moisture, chemical damage, improper or infrequent maintenance,
accident, unauthorized alteration or modification, or items that are considered
consumable. Traxxas will not pay for the cost of shipping or transportation of a defective
charger to us. This warranty is limited to the charger only and does not cover batteries
or other accessories used in conjunction with the charger.

Traxxas Lifetime Electronics Warranty

After the expiration date of the warranty period, Traxxas will repair the EZ-Peak 5amp
for a flat rate of $30.00 U.S. plus $5.00 U.S. for shipping and handling. Other mechanical
repairs will be estimated separately. The covered repairs are limited to non-mechanical
components that have NOT been subjected to abuse, misuse, or neglect. Products
damaged by intentional abuse, misuse, or neglect may be subject to additional charges.

Traxxas liability, in no case, shall be greater than the actual purchase price of this
product. For replacement, product must be returned in brand new condition, with
packaging and itemized sales receipt.

Traxxas encourages you to register your charger online at Traxxas.com/register.

TRAXXAS.com

Traxxas, 1100 Klein Road, Plano, TX 75074,

Phone: [phone], Fax: [phone], e-mail: [e-mail]