Duratrax IntelliPeak Digital Pulse User Manual

• “Negative DeltaV” (-DV) peak detection for NiCds,

plus advanced “Zero DeltaV” (0DV) peak detection
technology specifically for NiMHs, for full charges
without overcharging

• 8-bit 4MHz CPU with 8K ROM, 1K RAM,
1-channel 16-bit analog-to-digital converter

• Built-in Artificial Intelligence to eliminate
false peaks

• High efficiency P-Channel MOSFET drive
transistors

• 11-15V DC input

• Incredibly small, detachable, 12 volt 7 amp AC

power

supply with built-in cooling fan for at-home use

• Output: 4-7 cells on DC, 4-8 cells on AC

• Adjustable fast charge current: 0.5-6.5 amps

• 8-bit pulse width modulated charge current

• 100mA trickle charge

• 10 and 2 amp fixed discharge rates, selectable

by switch

• Cycle functions: Select a single

discharge/charge

cycle for periodic pack conditioning, or

continuous
“auto-repeat” cycles for reviving batteries that
have developed a memory or for breaking in a
new pack

• Four multi-function, high intensity LEDs and
audible tones for easy set-up

• Four-digit, seven-segment Liquid Crystal Display
shows battery voltage, charge current, and

charging

and discharging capacity in mAh (milli-Amp hours)

• Twin built-in miniature fans keeps charger cool,
increasing efficiency and lifespan

• Reverse polarity and overload protection

• Capable of charging transmitter batteries

• Charge only nickel-cadmium or nickel-metal

hydride rechargeable batteries. Damage may
occur from other types of batteries.

• Do not use automotive type battery chargers to
power the charger.

• Do not allow water, moisture or foreign objects into
the charger.

• Do not cover the air intake holes on the charger.
This will cause the charger to

overheat.

• Do not charge batteries containing fewer than
4 cells

• Always connect the power source first.

• Do not use a cable longer than 30cm to connect

the charger with the batteries.

• Do not leave the charger unattended while
charging. Disconnect the battery immediately if
the charger becomes hot. Allow the charger or
battery to cool down before reconnecting.

• Keep out of reach of children.

• Do NOT discharge cells smaller that sub-C

size cells.

Unlike most other chargers, the
IntelliPeak Digital Pulse

Charger is
capable of charging both nickel­cadmium (NiCd) and nickel-metal
hydride (NiMH) battery

chemistries,
as identified by this symbol. Look exclusively for
battery chargers with this symbol to handle both NiCd
and NiMH charging needs.

While similar in appearance to sub-C NiCd batteries,
NiMH batteries have a different internal chemistry and
require a different charging method. The IntelliPeak
Digital Pulse Charger incorporates two separate peak
detection technologies: Negative DeltaV (-DV) for
NiCd batteries, and Zero DeltaV (0DV) for NiMH
batteries. When either a NiCd or NiMH battery is
placed in peak charge mode, the Digital Pulse
Charger automatically detects the battery chemistry
being charged. In turn, the charger automatically
activates either the -DV or 0DV detection system to
match the respective battery. This advanced
technology allows the Digital Pulse Charger to charge
either chemistry type at higher rates, because the
peak detection cutoff circuitry is more sensitive to
voltage changes on the battery under load.

It is important not to allow NiMH batteries to
overheat while being charged. Heat can

adversely
affect the performance of NiMH batteries. The Zero
DeltaV technology is designed to allow for high rate,

6.5A fast charge without adverse heating of the NiMH
battery. If overheating is observed, however,

disconnect
the battery from the charger immediately and reduce
the charge rate for future charging needs. Also, do not
deep cycle NiMH batteries. Permanent damage could
result. Store NiMH packs with some voltage remaining
on the cells. Use a NiMH battery pack no more than
three cycles per day, with a two to three hour break
in-

between for cooling. More frequent use is likely to

overheat the pack.

If using a DC power supply or 12V DC battery for input
power, connect the DC adapter cord (included) to the
lead exiting the rear of the charger. Attach the red
alligator clip to the positive (+) terminal on the power
supply, and the black alligator clip to the negative (-)
terminal. It’s best to use a clean DC power source
whose output is filtered to remove unwanted electrical
noise. Disconnect the DC input adapter cord from the
charger when not in use.

The IntelliPeak Digital Pulse Charger accepts DC
input voltage only. To draw power from a 110V AC
source, plug the white connector exiting the rear of

the

charger directly into the white connector

located in the
rear of the AC power supply. Plug the power supply
into a 110V AC outlet. Do not attempt to connect the
charger directly to 110V AC power, as permanent
damage to the charger will result.

The output lead (included) has a standard style
connector at one end, with the opposite wire ends
stripped so a small portion of bare wire is showing.

Insert the red, positive (+) wire into the red spring
loaded terminal on the front of the charger. Install the
black, negative (-) wire into the black spring loaded
terminal. These terminals allow virtually any other
charge leads to easily be connected to the charger if
so desired. CAUTION: Make sure wire strands

never make connection between the red and black
terminals! Failure to do so could result in a short

circuit condition, causing the permanent damage to
the charger and/or battery.

The IntelliPeak Digital Pulse Charger offers a slow
100mA trickle charge rate for charging a new battery
or topping off a previously charged battery. Connect
the battery to the charge lead on the front of the
charger. The green SLOW CHARGE LED should
automatically begin to flash, indicating trickle charge
is in progress. A 1500mAh battery should reach full
charge in approximately 15 hours using this charge
method.

This unit has a high-rate fast charge to recharge a
partially discharged battery, with circuitry designed to
monitor pack voltage and automatically terminate fast
charge when full charge is reached. Select the
desired charge rate using the PEAK CHARGE AMPS
adjustment knob. Connect the battery to the charge
lead on the front of the charger. The charger will
automatically detect the number of cells in the battery.
The green SLOW CHARGE LED should automatically
begin to flash, indicating trickle charge is in progress.
Push the MODE SELECT button once to start peak
charging. The red PEAK CHARGE LED should light,
and the charger will beep once to confirm peak charge
is in progress. When this LED begins to flash the
battery is approaching peak charge. This should soon
be followed by occasional flashing of the STATUS
LED, where each flash represents instantaneous
moments when actual battery voltage is starting to
decline, thus indicating the battery has reached peak
and the charger will soon return to slow charge
automatically.

WARNING: Do not leave charger unattended
during fast charge. If the battery or charger
become hot at any time, disconnect the battery
from the charger immediately! Failure to do so may

cause permanent damage to the charger and battery,
and may cause bodily harm. Reduce the charge rate
for future charging needs.

Do NOT charge 4 or 5 cell batteries at a rate greater
than 4.5A, as this could cause excessive heating in
the charger itself.

Discharging removes charge from a battery for
storage or conditioning purposes. The IntelliPeak
Digital Pulse Charger is capable of discharging at
either a 10 amp or 2 amp rate. First, select which
discharge rate is desired using the switch located on

DISCHARGING

PEAK CHARGING

SLOW CHARGING

OUTPUT LEAD

AC INPUT POWER

DC INPUT POWER

IMPORTANT CARE AND HANDLING

INSTRUCTIONS FOR NIMH BATTERIES

IMPORTANT PRECAUTIONS

SPECIAL FEATURES

Congratulations on your purchase of the IntelliPeak™Digital Pulse Charger by DuraTrax®! Offering peak charging technology for nickel-cadmium batteries and
specialized peak charging technology for nickel-metal hydride batteries, the IntelliPeak Digital Pulse Charger also provides discharging and cycling features,
plus an easy to see LCD readout for viewing of important battery data. Features such as this make it easy to see why the IntelliPeak Digital Pulse Charger is
the leader in battery charging technology.

the bottom of the charger. The 10 amp rate can be
used for fast discharges, but is typically not
recommended for batteries having a capacity rating of
1500mAh or less. The 2 amp rate provides a more
gentle, slow discharge and can be used on sub-C
batteries of all capacities. Connect the battery to the
lead on the front of the charger. Push and hold the
MODE SELECT button for two seconds. The charger
will beep two times, and the amber DISCHARGE LED
will light, confirming discharge is in progress. When
the battery is finished discharging, the charger will
automatically switch to slow charge mode.

The IntelliPeak Charger has a fixed, non-adjustable
discharge cutoff voltage setting of 2.60V. If a specific
discharge cutoff value other than 2.60V is desired,
monitor the pack voltage during discharge with the
built-in LCD display and manually terminate discharge
at such point as desired. This step must be followed
during all cycling functions as well if a different cutoff
voltage is desired.

WARNING: Do NOT discharge cells which are
smaller than sub-C size. The discharge current rate

of the IntelliPeak is too high for smaller cells such as
A, AA, and AAA size, in addition to the wiring used to
assemble such packs. Failing to avoid this will likely
cause permanent damage to the cells and/or wiring in
the battery packs, and possibly the equipment in
which the battery is installed.

Use the single cycling feature to conduct a single
discharge/charge cycle for periodic pack conditioning
of regularly used batteries. Select the desired charge
rate using the Peak charge amps adjustment knob.
Select the desired discharge rate using the switch
located on the bottom of the charger. Then, connect
the battery to the charge lead on the front of the
charger. Push the MODE SELECT button twice. The
amber DISCHARGE LED will light and the charger will
beep three times to confirm single cycling is in
progress. When discharge is complete, it will
automatically switch to peak charging, confirmed by
the red PEAK CHARGE LED and a single beep. This
LED will flash when the battery nears peak charge,
after which the charger will automatically return to
slow charge as indicated by the flashing green SLOW
CHARGE LED.

Auto-repeat cycling lets you conduct repeated
discharge/charge cycles for deep pack conditioning to
break in new packs or revive older or unused packs
which may have developed memory. Select the
desired charge rate using the PEAK CHARGE AMPS
adjustment knob. Select the desired discharge rate
using the switch located on the bottom of the charger.
Then, connect the battery to the charge lead on the
front of the charger. Push the MODE SELECT button
twice and hold it down for two seconds. The amber
DISCHARGE LED will light and the charger will beep
four times to confirm auto-repeat cycling is in
progress. After the battery has finished discharging it
will automatically switch to peak charge mode,
confirmed by the red PEAK CHARGE LED and a
single beep. When this LED begins to flash, the
battery is approaching peak charge. This should soon
be followed by occasional flashing of the STATUS
LED, where each flash represents instantaneous
moments when actual battery voltage is starting to
decline, thus indicating the battery has reached peak
and the charger will soon return to slow charge
automatically. Once peak charge has completed,
the charger will automatically repeat this entire
discharge/charge process. To end this function, the
user must push the MODE SELECT button or
disconnect battery from the charger.

To discharge the battery for storage, allow the battery
to cycle the desired amount of times and then push
the MODE SELECT button until the orange
DISCHARGE LED lights. This will start discharge
mode only. To peak charge the battery, wait until the

last
desired cycle is over and then push the MODE
SELECT button until the red PEAK CHARGE LED

lights.

Selectable by slide switch on the left side of the
charger, three important types of data can be viewed
on the built-in LCD. Slide the switch into one of the
three pre-set positions to view the respective data on
screen. OUTPUT AMPS displays the charge current
(in amps) being delivered to the battery. OUTPUT
VOLTAGE displays the voltage at the point where the
battery is connected to the charger.

The CAPACITY IN MAH selection displays how much
capacity (in milli-Amp hours) is being delivered to – or
removed from the battery. This is useful for

determining
how much capacity has been delivered to the battery
during fast charge (a function of charge time

multiplied

by charge rate). Also useful during

discharge, data
shown on the LCD indicates how much capacity the
battery maintained in storage (a function of discharge
time multiplied by discharge rate). Comparing the
measured discharge capacity data to the rated
capacity of the battery (as listed in “mAh” somewhere
on the battery) can help determine the overall
condition of the battery and its ability to retain charge
properly. Typically, a new battery should be able to
store anywhere from 90-100% of its rated capacity. A
battery’s ability to hold charge will typically decrease
with use and/or age where, at some point,

replacement
will be necessary. The CAPACITY IN MAH function on
the IntelliPeak Digital Pulse Charger can help to
properly evaluate the condition of a battery.

The IntelliPeak Digital Pulse Charger is capable of
charging 9.6V transmitter batteries. This is best
accomplished when using 110V AC input through the
AC power supply, or DC input power of greater than
12V but less than 15V. Connect the appropriate
adapter (not included) into the spring terminals on the
front of the charger. CAUTION: Failure to recognize

proper polarities will cause permanent damage to
the battery and/or radio! Turn the PEAK CHARGE

AMPS adjustment knob down to 0.5 amps to allow the
batteries to peak charge. Charging at a higher
amperage can cause permanent damage to the
transmitter batteries. Do not allow standard capacity
TX batteries to remain in slow charge mode in excess
of 1 hour after peak charge has been reached, as
overheating of the battery might occur. Note: If your

transmitter has a diode in the charge circuit, it
may be necessary to remove this diode to allow
your transmitter to receive a full charge with this
IntelliPeak charger. In addition, the battery will
NOT accept a discharge with the diode in the
circuit. Removal of the diode will allow a full
charge and discharge.

WARNING: Do NOT discharge transmitter

batteries

with the IntelliPeak Charger. The discharge current

rate is too high for such smaller cells and the wiring
which is used to assemble such packs. Failing to
avoid this will likely cause permanent damage to the
cells and/or wiring in the battery packs, and possibly
the equipment in which the battery is installed.

Input Voltage: 11-15V DC
Output: 4-7 cells DC, or 4-8 cells with

AC power supply
NiCd Fast Charge: 0.5-6.5A
NiMH Fast Charge: 0.5-6.5A
Trickle Charge Rate: 100mA
Discharge Rate: 10 or 2 amps selectable
Discharge Cutoff
Voltage: 2.60V fixed
Battery Types: Nickel-cadmium (NiCd) &

nickel-metal hydride (NiMH)
LCD: Four 1/2" tall

seven-segment digits
Case Size: 5.38" x 2.25" x 4.0"
Weight: 16.6 oz. (without power

supply)

Part Number: DTXP4130

DuraTrax warrants this product to be free from defects in
materials and workmanship for a period of 1 year from the
date of purchase. During that period, we will repair or
replace , at our option, any product that does not meet
these standards. You will be required to provide proof or
purchase date (receipt or invoice). If during the 1 year
period, your DuraTrax product shows defects caused by
abuse, misuse, or accident, it will be repaired or replaced
at our option, at a service charge not greater than 50% of
the current retail price. Be sure to include your daytime
telephone number in case we need to contact you about
your repair. This warranty does not cover components
worn by

use, application of reverse voltage, cross
connections, poor installation, subjection of components
to foreign materials, any alterations to wires, or tampering.
In no case shall our liability exceed the original cost of the
product.

Your warranty is voided if...

A. You allow any wires to become frayed which could

cause a short
B. You tamper with any of the electronic components.
C. You exceed minimum or maximum cell

specifications for

the battery pack.
D. You allow water, moisture, or any foreign material to

enter the charger case.
E. You apply reverse voltage by connecting the battery

pack backwards.

Under no circumstances will the purchaser be entitled to
consequential or incidental damages. This warranty gives
you specific legal rights, and you may also have other
rights which vary from state to state. If you attempt to
disassemble or repair this unit yourself it may void the
warranty.

For service to your DuraTrax product, either in or out of
warranty, send it post paid and insured to:

Hobby Services

1610 Interstate Drive

Champaign, IL 61822

[phone]

e-mail: [e-mail]

Internet Address: www.duratrax.com

WARRANTY

SPECIFICATIONS

TRANSMITTER BATTERIES

LIQUID CRYSTAL DISPLAY

AUTO-REPEAT CYCLING

SINGLE CYCLING

LED DISPLAY

Condition Discharge LED Fast Charge LED Slow Charge LED Status LED

(Yellow) (Orange) (Green) (Red)
No Battery OFF OFF OFF ON
Slow Charging OFF OFF OFF: When battery On: Normal

is < 3V Flash: Bad battery

Flash: Slow Charging connection

Off: Weak power

supply

Fast Charging OFF ON: Battery is charging OFF On: Battery voltage is

Flash: Battery is increasing or stable

near peak Off: Battery voltage is

decreasing

Discharging ON OFF OFF ON

DTXZ4130 for DTXP4130 V1.2