PulseTec Mega 65 User manual

MEGA 65
#PC-019-002
INSTRUCTION MANUAL

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WARNING
This charger is not intended for use by persons (including children) with reduced phys-
ical, sensory or mental capabilities, or lack of experience and knowledge, unless they
have been given supervision or instruction concerning use of the appliance by a person
responsible for their safety.
Children should be supervised to ensure that they do not play with the charger.
Do not recharge non-rechargeable batteries!
During charging, the battery must be placed in a well-ventilated area!
Never leave the charger unattended when charging the battery.
Power Cord
MEGA 65
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Set Content

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Congratulations on your choice of PULSETEC MEGA 65 AC Balance Charger/Discharg-
er/Power Supply. This unit is simple to use, but the operation of a sophisticated automatic
charger such as PULSETEC MEGA 65 does require some knowledge from the user.
These operating instructions are designed to ensure that you quickly become familiar
with its functions. It is therefore important that you read right through the Operating In-
structions, Warning and Safety Notes before you attempt to use your new charger for the
rst time. We hope you have many years of pleasure and success with your new battery
charger.
The PULSETEC MEGA 65 s an AC input charger/discharger with compact size
(117x105x55mm). Like most SkyRC chargers, it supports TVC (Terminal Voltage Con-
trol), Battery Meter. And there are Automatic Charging Current Limit, Capacity Limit,
Temperature Threshold and Processing Time Limit for maximum safety.
The maximum charging power of MEGA 65 is 65W with maximum charging current 6A
and discharging current 2A. It is a high-performance micro processor control charge/
discharge station with battery management suitable for use with all current battery types,
LiPo, Lilon, LiFe, NiCd, NiHM, PB and also new generation LiHV with end voltage 4.35V.
For PB battery, MEGA 65 adds AGM and cold charge modes. It can charge AGM battery,
and Pb battery can be charged in cold charge mode in cold days.
It can be dangerous to mishandle batteries and battery chargers, as there is always a risk
of batteries catching re and exploding.
Please read this manual carefully before use. This manual contains important information
on the safe use of this charger. If you are a beginner in battery charging, please use this
charger with an experienced user.
Mishandling batteries and battery chargers is extremely dangerous, which may
cause re and explosion.
Introduction

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LCD-Display
Temperature
Sensor Port
STOP Charge
Process
START / RESUME
Charge Process
Alter Values
See the Status of
Individual Cells in
Balance Charge
mode
AC Input : 100 - 240V
Output Charge Lead
XT60 Female
Output Charge Lead
XT60 Female
Cooling Fan
Balance Lead Socket
JST-XH Ports
Overview

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Optimized Operating Software
PULSETEC MEGA 65 features the so-called AUTO function that sets the feeding current
during the process of charging or discharging. Especially for lithium batteries, it can pre-
vent the overcharging which may lead to an explosion due to the user’s fault. It can discon-
nect the circuit automatically and alarm once detecting any malfunction. All the programs
of this product were controlled through two way linkage and communication, to achieve the
maximum safety and minimize the trouble. All the settings can be congured by users!
Battery Memory (Data Store/Load)
The charger can store up to 10 different charge/discharge proles for each channel. You
can keep the data pertaining to program setting of the battery of continuous charging or
discharging. Users can call out these data at any time without any special program setting.
PB AGM and Cold Charge
For PB battery, MEGA 65 adds AGM and cold charge modes. It can charge AGM battery,
and Pb battery can be charged in cold charge mode in cold days.
Terminal Voltage Control(TVC)
The charger allows user to change the end voltage. (for expert user only)
Internal Independent Lithium Battery Balancer
The MEGA 65 uses an individual-cell-voltage balancer. It isn’t necessary to connect an
external balancer for balance charging.
Balancing Individual Cells Battery During Discharging
During the process of discharging, the MEGA 65 can monitor and balance each cell of the
battery individually. Error message will be indicated and the process will be ended auto-
matically if the voltage of any single one cell is abnormal.
Adaptable to Various Type of Lithium Battery
The MEGA 65 is adaptable to various types of lithium batteries, such as LiPo, LiIon, LiFe
and the new LiHV batteries.
Fast Charge and Storage Mode of Lithium Battery
Function of the two modes differs from each other. “FAST CHG” minimizes battery charge
time, while “STORAGE” has the capacity to control the nal battery voltage, which is nec-
essary and helpful for a rarely used battery.
Re-Peak Mode of NiMH/NiCd Battery
In re-peak charge mode, the charger can peak charge the battery once, twice or three
times in a row automatically. This is good for making the battery fully charged.
Special Features

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Delta-peak Sensitivity for NiMH/NiCd
Delta-peak sensitivity for NiMH/NiCd battery: The automatic charge termination program
based on the principle of the Delta-peak voltage detection. When the battery’s voltage
exceeds the threshold, the process will be terminated automatically.
Cyclic Charging/Discharging
1 to 5 cyclic and continuous process of charge > discharge or discharge > charge is opera-
ble for battery refreshing and balancing to stimulate the battery’s activity.
Automatic Charging Current Limit
You can set up the upper limit of the charging current when charging your NiMH or NiCd
battery, it is useful for the NiMH battery of low impedance and capacity in the ‘AUTO’
charging mode.
Battery Meter
You can check battery voltage and battery internal resistance.
Capacity Limit
The charging capacity is always calculated as the charging current multiplied by time. If the
charging capacity exceeds the limit, the process will be terminated automatically when you
set the maximum value.
Temperature Threshold*
The battery’s internal chemical reaction will cause the temperature of the battery to rise. If
the temperature limit is reached, the process will be terminated.
* This function is only available by connecting optional temperature probe, which is not included in the package.
Processing Time Limit
You can also limit the maximum process time to avoid any possible defect.
Special Features

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These warnings and safety notes are particularly important. Please follow the
instructions for maximum safety; otherwise the charger and the battery can be
damaged or at worst it can cause a re.
Never leave the charger unattended when it is connected to its power supply. If any
malfunction is found, TERMINATE THE PROCESS AT ONCE and refer to the opera-
tion manual.
Keep the charger well away from dust, damp, rain, heat, direct sunshine and vibra-
tion. Never drop it.
The allowable AC input voltage is 100~240V AC.
This charger and the battery should be put on a heat-resistant, non-inammable and
non-conductive surface. Never place them on a car seat, carpet or similar. Keep all
the inammable volatile materials away from operating area.
Make sure you know the specications of the battery to be charged or discharged to
ensure it meets the requirements of this charger. If the program is set up incorrect-
ly, the battery and charger may be damaged .It can cause re or explosion due to
overcharging.
LiPo LiIon LiFe LiHV NiCd NiMh Pb
Nominal
Voltage 3.7V/Cell 3.6V/Cell 3.3V/Cell 3.8V/Cell 1.2V/Cell 1.2V/Cell 2.0V/Cell
Max Charge
Voltage 4.2V/Cell 4.1V/Cell 3.6V/Cell 4.35V/Cell 1.5V/Cell 1.5V/Cell 2.46V/Cell
Storage
Voltage 3.8V/Cell 3.7V/Cell 3.3V/Cell 3.85V/Cell n/a n/a n/a
Fast Charge ≤ 1C ≤ 1C ≤ 4C ≤ 1C 1C-2C 1C-2C ≤0.4C
Min. Discharge
Voltage 3.0-3.3V/Cell 2.9-3.2V/Cell 2.6-2.9V/Cell 3.1-3.4V/Cell 0.1-1.1V/Cell 0.1-1.1V/Cell 1.8V/Cell
Standard Battery Parameters
Be very careful to choose the correct voltage for different types of battery other-
wise you may cause damage to the batteries. Incorrect settings could cause the
cells to re or explode.
Warning and Safety Notes

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Never attempt to charge or discharge the following types of batteries.
A battery pack which consists of different types of cells (including different manufacturers).
A battery that is already fully charged or just slightly discharged.
Non-rechargeable batteries (Explosion hazard).
Batteries that require a different charge technique from NiCd, NiMh, LiPo or Gelcell (Pb,
Lead acid).
A faulty or damaged battery.
A battery tted with an integral charge circuit or a protection circuit.
Batteries installed in a device or which are electrically linked to other components.
Batteries that are not expressly stated by the manufacturer to be suitable for the currents
the charger delivers during the charge process.
Please bear in mind the following points before commencing charging:
Did you select the appropriate program suitable for the type of battery you are charging?
Did you set up adequate current for charging or discharging?
Have you checked the battery voltage? Lithium battery packs can be wired in parallel and
in series, i.e. a 2 cell pack can be 3.7V (in parallel) or 7.4V (in series).
Have you checked that all connections are rm and secure?
Make sure there are no intermittent contacts at any point in the circuit.
Charging
During charge process, a specic quantity of electrical energy is fed into the battery. The
charge quantity is calculated by multiplying charge current by charge time. The maximum
permissible charge current varies depending on the battery type or its performance,
and can be found in the information by the battery manufacturer. Only batteries that are
expressly stated to be capable of quickcharge are allowed to be charged at rates higher
than the standard charge current.
Connect the battery to the terminal of the charger: red is positive and black is negative.
Due to the difference between resistance of cable and connector, the charger can not
detect resistance of the battery pack, the essential requirement for the charger to work
properly is that the charge lead should be of adequate conductor cross-section, and high
quality connectors which are normally goldplated should be tted to both ends.
Always refer to the manual by battery manufacturer about charging methods, recom-
mended charging current and charging time. Especially, the lithium battery should be
charged according the charging instruction provided by the manufacturer strictly.
Warning and Safety Notes

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Attention should be paid to the connection of lithium battery.
Do not attempt to disassemble the battery pack arbitrarily.
Please get highlighted that lithium battery packs can be wired in parallel and in series. In
the parallel connection, the battery s capacity is calculated by multiplying single battery
capacity by the number of cells with total voltage stay the same. The voltages imbalance
may cause re or explosion .Lithium battery is recommended to charge in series.
Discharging
The main purpose of discharging is to clean residual capacity of the battery, or to reduce
the battery voltage to a dened level. The same attention should be paid to the discharg-
ing process as charging. The nal discharge voltage should be set up correctly to avoid
deep-discharging. Lithium battery can not be discharged to lower than the minimum
voltage, or it will cause a rapid loss of capacity or a total failure. Generally, lithium battery
doesn‘t need to be discharged. Please pay attention to the minimum voltage of lithium
battery to protect the battery.
Some rechargeable batteries have a memory effect. If they are partly used and re-
charged before the whole charge is accomplished, they remember this and will only use
that part of their capacity next time. This is a memory effect. It is said that NiCd and
NiMH batteries are suffering from memory effect. NiCd has more memory effect than
NiMH.
Warning and Safety Notes

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Program Flow Chart