Emperor L702B Pro
Thank you for purchasing this Fusion Emperor L702B Pro charger. We are sure you
will be pleased with its performance and features. In order to ensure that you obtain
the maximum benefit from its operation, please read the instructions carefully.
OpErAting instructions
Please keep for Future Reference
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SPECIFICATIONS
MODE
TYPE
SPEC
Power Supply
Battery Types
Operating Modes
DC Input
11-28V DC
NiCd, NiMH, LiPo, LiIon, LiFe, Pb
Charge, Discharge, Cycle
Charge, Discharge, Store
Automatic charge
Normal charge
NiCd, NiMH
LiPo, LiIon, LiFe, Pb
Charge (NiCd, NiMH)
Operation function
Linear charge
RE-FLEX charge
CC-CV charge
Charge (LiPo,LiIon,LiFe,Pb)
Discharge
Automatic discharge (NiCd, NiMH)
Normal discharge (NiCd, NiMH)
Linear discharge
60% Capacity
Store Mode
Number of Cells
Charge Current
NiCd, NiMH
LiPo, LiIon, LiFe
Pb
1 ~ 18 Cell
1 ~ 7 Cell
1 ~ 12 Cell
NiCd , NiMH
0.1A ~ 20.0A (max 300W)
0.1A ~ 20.0A (max 300W)
0.1A ~ 10.0A (max 50W)
0.1 ~ 1.1V/cell
LiPo, LiIon, LiFe
NiCd , NiMH, LiPo, LiIon, LiFe, Pb
NiCd, NiMH
Discharge Current
Discharge Voltage
LiPo, LiIon, LiFe
NiCd, NiMH
2.5 ~ 3.7V/cell
Trickle Current
Off ~ 500mA
Auto Mode (Charge Current/20)
1~10 Cycles
Cycle Mode
Cycle time
Cycle delay
Cycle direction
NiCd
(NiCd/NiMH only)
1~30 min
C>D / D>C
5 ~ 25mV/cell
Peak sensitivity
NiMH
0, 3 ~ 15mV/cell
10 ~ 60°C
50 ~ 150°F
Temperature Sensor
Centigrade
Fahrenheit
NiCd , NiMH
LiPo, LiIon, LiFe
Max charge capacity
(safety timer)
10 ~ 150%
10 ~ 120%
Start peak delay timer NiCd , NiMH
1 ~ 20 min
Memory
Memory number
20 Memories (per channel)
20 ~ 300mins & Off
1 ~ 5C
Safety timer
NiCd , NiMH, LiPo, LiIon, LiFe, Pb
LiPo, LiIon, LiFe
Charge rate limit
TCS Capacity
TCS END action
LiPo, LiIon, LiFe
10 ~ 100%
LiPo, LiIon, LiFe
Continue, Stop
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GENERAL OPERATION
OUTPUT BATTERY CONNECTIONS
The Emperor L702B Pro has two sets of outputs on the front of the charger, channel
1 is on the left and channel 2 on the right. Each channel has two 4mm banana
sockets, a 7 cell balance port and a temperature sensor input.
You will need an appropriate charge lead to suit the specific connector on your
battery. Connect this charge lead to the 4mm output sockets on the charger channel
you want to use, with the positive (+) lead connected to the red socket and the
negative (-) lead to the black socket.
Only connect the battery to the charge lead AFTER the charge lead has
been connected to the charger, as the connectors on the charge lead could
touch together and cause the battery to short circuit.
When charging a Lithium pack, make sure that the balance lead is connected to the
charger. The charger has a ‘JST-EH’ type balance port, but also comes with balance
adaptor boards for JST-XH and Flight Power/Thunder Power. To use an adaptor
board, connect the supplied balance adaptor board lead to the charger and then
connect the board that works with your battery balance connector. Optional adaptor
boards for Polyquest & 4/2mm plug car packs are also available.
If the main battery power leads ONLY are connected to the output banana sockets,
without connecting the balancing connector to the balancing port on the charger, the
charger will charge or discharge the connected Lithium pack without balancing it.
We always recommend balancing a Lithium pack, because some cells may
retain more capacity than others, so over time the pack can become
unbalanced. If an unbalanced pack is then used, some of the cells will
exceed their maximum voltage when charged and others their minimum
voltage when discharged, which causes damage to the cells. When a
Lithium cell is overcharged, it can cause damage and in extreme cases can
cause a fire.
3
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TURNING ON & SETTING THE INPUT POWER
The input power leads on the Emperor are supplied with 4mm
gold banana type connectors (with optional crocodile clips)
that should be connected directly to a suitable 11-28V DC
power source, ensuring that the black connector is connected
to the negative (–) and the red to the positive (+).
Power
On
When the charger is initially connected to a power source, it
will ask you to confirm the maximum input power available
from the power source and allow you to adjust the percentage
of this power available to each output on the charger. This
allows the Emperor L702B Pro to deliver the highest available
power to each of the charger outputs (channels), without
overloading the power source.
Emperor L702B Pro v1
<INPUT POWER SETTING>
VOLTAGE
: 12.0V
: 20.0A
CURRENT
1OUTPUT RATE: 50%
2OUTPUT RATE: 50%
Each line is selected by pressing the ‘Inc’ and ‘Dec’ buttons to
ESC
move the selection arrow up and down.
To edit a value press the ‘Enter’ button to highlight the selected value. To increase or
decrease the highlighted value, press the ‘Inc’ or ‘Dec’ buttons. Once the desired
value has been selected, press the ‘Enter’ button again to store this value.
Once the correct parameters have been entered press the ‘Esc’ button to continue to
the main screens.
THE DISPLAY
The display is broken up into 2 halves. The top half of the display shows the first
channel (Ch1) and the bottom shows the second (Ch2).
The selected channel is shown in normal text and the other in reversed out text.
Ch1 Selected
CH2 Selected
11]LiPo 3S 2200mAh
CHG. : 2.1A 4.20V/C
DCHG. :10.0A 3.0V/C
STORE MODE START
0]NiMH 6S 3300mAh
11]LiPo 3S 2200mAh
CHG. : 2.1A 4.20V/C
DCHG. :10.0A 3.0V/C
STORE MODE START
0]NiMH 6S 3300mAh
Channel
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
Pressing the ‘Channel’ button (at any time) selects the other channel (charger).
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MENU STRUCTURE
The menu system in the Emperor L702B is summarized in the flow chart below. To
move around the screens press the buttons as shown on the flow chart.
Where a line selection arrow is shown on the left of a line, the ‘Inc’ and ‘Dec’ buttons
can be used to move the selection arrow up or down. Pressing the ‘Enter’ button
highlights each value on a line so that it can be changed. Pressing the ‘Esc’ button
whilst a value is highlighted exits the editing and moves back to the line selection
again.
Mode
Press and hold
the Mode button
whilst connecting
the power.
Power
On
Power
On
System Menu
LCD CONTRAST: 10
Emperor L702BP
v1
LCD BACKLIT :
ON
ABCDEFGHIJKLMNOPQ
RSTUVWXYZ abcdefg
hijklmnopqrstuvwx
yz 0123456789 -.’
ESC
<INPUT POWER SETTING>
VOLTAGE
: 12.0V
: 20.0A
CURRENT
1OUTPUT RATE: 50%
2OUTPUT RATE: 50%
ESC
Memory Screen
User Settings
Data View
Cycle View
Balancer View
11]LiPo 3S 2200mAh
CHG. : 2.1A 4.20V/C Mode
DCHG. :10.0A 3.0V/C
STORE MODE START
TEMP.MODE
:
°C
ON
INPUT VOLT: 13.200V
OUTPUT VOLT: 11.123V
BAT. TEMP. : No.Sens
[ 1]CAPACITY VOLTAGE
3S=11.845V 11S=3.944V
1
C:
D:
Mode
Mode
Mode
BUTTON SOUND :
0mAh
0mAh
0.000V
0.000V
33.95V
3
FINISH SOUND : 5sec
13.94V
1
MELODY
:
1
PEAK TEMP. :
0.0°C
8mV
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
ESC
ESC
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
ESC
ESC
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
▲
▲
▲
INC
INC
Press the ‘Inc’ or ‘Dec’
button to change the
cell number.
INC
Press the ‘Inc’ or ‘Dec’ button
to view the charge/discharge
statistics for previous cycles
DEC
▼
DEC
▼
DEC
▼
CUT.TEMPER. :
55°C
120%
[ 1]CAPACITY VOLTAGE
3S=11.845V 31S=3.952V
2
C:
D:
MAX.CAPACITY:
0mAh
0mAh
0.000V
0.000V
33.95V
3
SAFETY TIMER: 120min
13.94V
1
CHARGE RATE :
2C
8mV
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
▲
INC
DEC
▼
TCS CAPACITY:
100%
TCS END ACT : CONTI.
0]NiMH 6S 3300mAh
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
CYCLE : CD 1X 10m
5
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BATTERY MEMORY SCREEN
The battery memory screen is the main functional screen for this charger. It is used
to store specific battery, charge, discharge and safety parameters, as well as being
used to initiate charging, discharging, cycling/store mode functions.
Battery Type
Number of Cells
(in series)
Battery Capacity
Memory Number
11]LiPo 3S 2200mAh
CHG. : 2.1A 4.20V/C
Line selection
DCHG. :10.0A 3.0V/C
arrow
STORE MODE START
0]NiMH 6S 3300mAh
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
CYCLE : CD 1X 10m
To edit the battery parameters, make sure the selection arrow is on the top line and
press the ‘Enter’ button to highlight the memory number. Using the ‘Inc’ or ‘Dec’
buttons, the selected memory (0~19) can be changed. By default each memory is
populated with a sample configuration, but these can be adjusted to suit your
requirements.
Pressing the ‘Enter’ button again selects the Battery Type for the selected memory.
The battery type can be changed using the ‘Inc’ and ‘Dec’ buttons.
The available battery types are:-
NiCd
LiPo
LiFe
Nickel Cadnium (1.2V/cell)
Lithium Polymer (3.7V/cell)
Lithium Ferrite (3.3V/Cell)
NiMH Nickel Metal Hydride (1.2V/cell)
LiIo
Pb
Lithium Ion
Lead Acid
(3.6V/cell)
(2V/cell)
Pressing the ‘Enter’ button again highlights the number of cells (in series), which can
be adjusted using the ‘Inc’ and ‘Dec’ buttons. If you are unsure of the number of cells
in your battery pack, then this can be calculated by dividing the total battery voltage
by the individual cell voltage.
Pressing the ‘Enter’ button again selects the battery capacity setting, then back to
the line selection arrow.
It is very important that the correct battery parameters are entered, as
incorrect values could cause the charger to seriously damage your battery
which could result in a fire!
Pressing the ‘Dec’ button whilst nothing is highlighted moves the line selection arrow
down.
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LITHIUM FUNCTIONS AND PARAMETERS
When a Lithium type battery is selected, the following functions and parameters are
available. The 2nd and 3rd pages (shown below) are accessed by moving the line
selection down arrow off the bottom of the page.
11]LiPo 3S 2200mAh
CHG. : 2.1A 4.20V/C
Charge
Discharge
DCHG. :10.0A 3.0V/C
Page 1
Store Mode
STORE MODE START
Cut-off Temperature
CUT.TEMPER. :
55°C
120%
Cut-off when x% of
capacity is reached.
MAX.CAPACITY:
Cut-off if maximum
time is reached
SAPFETYaTgIMEeR: 1220min
CHARGE RATE :
2C
Max Charge Rate
TCS CAPACITY:
90%
What should happen
when the TCS
capacity is reached?
TCS (Terminal
Capacity Selection)
TCS END ACT : CONTI.
Page 3
‘CHG.’ – CHARGE
This line shows the charge current and the maximum cell voltage which can be edited
by press the ‘Enter’ button to highlight the parameter, then the ‘Inc’ and ‘Dec’
buttons to edit the value. The default charge current for a Lithium battery is set to
1C (1 x capacity), however this can be adjusted from 0.1 to 20 Amps.
N.B. For safety the charge current is limited to the capacity x charge rate (see
Maximum Charge Rate setting). If you want to increase the charge current above 2C,
you must first increase the maximum charge rate before you can increase the charge
current.
Normally, the maximum cell voltage should be left at the default value (LiPo=4.2V,
LiIo=4.1V & LiFe=3.7V), but in very cold weather a Lithium Polymer pack can be
overcharged at 4.2V, so reducing the maximum charge voltage to 4.1V can increase
the life of your pack.
Press the ‘Enter’ button for 2 seconds on this line to start the charge.
‘DCHG.’ - DISCHARGE
This shows the discharge current and the cut-off voltage per cell. Pressing the ‘Enter’
button for 2 seconds with this line selected will start the discharge.
STORE MODE START
It is recommended that Lithium batteries are not left in a fully charged or discharged
state for long periods of time, especially when stored in a cold environment.
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Therefore, store mode will charge or discharge your pack to around a 60% charged
state to help extend the life of your packs.
CUT.TEMPER. - CUT-OFF TEMPERATURE
When used with the optional temperature sensor, a safety cut-off temperature can
be set, so that charging or discharging is terminated automatically if the temperature
sensor detects the battery temperature rising above the selected value.
‘MAX. CAPACITY’ – MAXIMUM CAPACITY
The maximum capacity setting is used to terminate a charge if the charger exceeds
the selected percentage of the battery capacity.
SAFETY TIMER
The safety timer can be used to terminate a charge if it is not completed within the
selected time period.
‘CHARGE RATE’ – MAXIMUM CHARGE RATE
The charge rate allows you to set the maximum charge rate for the pack being
charged. The default is 2C, but some newer packs can allow up to 5C (5 x capacity),
so increasing this value allows the user to select a higher charge current in the charge
parameters.
TCS CAPACITY
TCS (Terminal Capacity Selection) allows the user to select a capacity at which the
charger will beep or stop charging.
Lithium batteries are charged using a constant current then constant voltage (CC-CV),
so when the cells reach their maximum voltage, the charge current is slowly reduced
until the charge is complete. Because the charge current is being reduced, the last
10-30% of the charge takes proportionally longer than the first part.
Therefore, the TCS capacity can be set to warn the user when the selected capacity is
reached, which can be useful if the user does not require a full charge in the battery,
so it can be used sooner.
‘TCS END ACT’ – TCS END ACTION
When the selected TCS capacity is reached, the charger can be set to continue the
charge and warn the user that the TCS capacity has been reached or the charger can
stop the charge.
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NICD/NIMH FUNCTIONS AND PARAMETERS
05]NiMH 6S 3000mAh
Charge
CHG. : 3.0A
8mV/C
Discharge
DCHG. : 3.0A 0.8V/C
Page 1
Cycle
CYCLE : CD 1x 10m
Cut-off Temperature
CUT.TEMPER. :
55°C
150%
Cut-off when x% of
capacity is reached.
MAX.CAPACITY:
Do not detect peaks
for x mins.
PEPAK DaELgAY e: 2
3min
TRI CURRENT : 100mA
Trickle Charge Rate
SAFETY TIMER: 120min
Cut-off if maximum
time is reached
Page 3
‘CHG.’ – CHARGE
This line shows the charge current and the delta-peak cut-off voltage. These values
can be edited by pressing the ‘Enter’ button to highlight the parameter, then the ‘Inc’
and ‘Dec’ buttons to edit the value.
When charging NiCd and NiMH batteries, most chargers detect when the pack is fully
charged by using a method called delta-peak. This monitors the voltage of the pack
which increases as the pack becomes charged. When the pack is fully charged the
pack starts to get warm and the voltage then starts to drop. The delta-peak cut-off
voltage is the voltage drop (per cell) that is detected before the charger will stop the
charge. The default delta-peak voltage setting for NiMH packs is 5mV/cell and for
NiCd is 8mV/cell.
To start the charge function, press the ‘Enter’ button for 2 seconds with this line
selected. The screen will then move to the charge type screen (see page 12).
n.b. The selected charge currents will not be used if ‘Automatic’ charge type is
selected.
‘DCHG.’ - DISCHARGE
The discharge line shows the discharge current and the discharge cut-off voltage (per
cell). The default cut-off voltage for NiCd/NiMH cells is 0.8V/cell.
Pressing the ‘Enter’ button for 2 seconds with this line selected will move to the
discharge type selection screen.
n.b. The selected discharge current will not be used if ‘Automatic’ discharge type is
selected.
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CYCLE
The cycle mode allows the user to both charge and discharge a battery a number of
times, in order to bring it back to peak performance.
Dependant on the final charge state required, you have the options to discharge then
charge (D>C) or charge then discharge (C>D) the pack. In addition, the number of
cycles and the delay between charging or discharging can be set.
n.b. When cycling a battery, the charger will use Automatic charge and discharge
currents.
To start the Cycling you pack, hold the ‘Enter’ button down for 2 seconds.
‘MAX. CAPACITY’ – MAXIMUM CAPACITY
The maximum capacity setting is used to terminate a charge if the charger exceeds
the selected percentage of the battery capacity.
‘PEAK DELAY’ – START PEAK DELAY
When charging a NiCd or NiMH type pack using delta-peak cut-off, the charger is
looking for the pack voltage to peak and then drop off. However, some packs can
give false peaks soon after the charge is commenced. Therefore, the start peak delay
function overrides the peak detection for a selected number of minutes to stop any
false peaks being detected. The default setting is 3 minutes.
‘TRI. CURRENT’ - TRICKLE CHARGE CURRENT
With NiCd and NiMH type batteries, it is recommended that the pack is trickle
charged after the main charge has completed, so that the battery is kept fully
charged and is ready to be used. Therefore, we suggest setting the trickle charge
current to around 10% of the pack capacity.
SAFETY TIMER
The safety timer is used to terminate a charge if it is not completed within the
selected time.
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CHARGING
With the selection arrow on the CHG line, select the correct charge rate and
maximum cell/peak voltage for the battery being charged, then press and hold the
CHARGING A LITHIUM PACK
In the flow chart below, we have shown an example of how to charge a 2S (7.4V)
2200mAh LiPo pack at 2.2A.
Press and hold the Enter
button for 2 seconds to
start charging.
11]LiPo 2S 2200mAh
CHG. : 2.2A 4.20V/C
DCHG. : 2.2A 3.0V/C
STORE MODE START
[ LiPo ] CHARGE
*** BATTERY ***
*** CHECK ***
Press the ‘Inc’ or
‘Dec’ button to
change the cell
number.
ENTER
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
C-TCS: 15%
0:00:12
10mAh
C-TCS: 15%
0:01:25
C-TCS: 15%
0:02:59
2S= 7.687V 1S=3.845V
1
CAPACITY
VOLTAGE
CURRENT
:
:
:
INPUT VOLT : 14.222V
Mode
13.84V
2
BAT. TEMP. :
PEAK TEMP. :
BATTERY RES:
22.1°C
22.1°C
30mΩ
Mode
Mode
7.612V
2.20A
PEAK VOLT :
AVG. VOLT :
7.612V
0.000V
13.84V
1
5mV
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
CHG. : 3.3A
DCHG. : 5.0A 0.8V/C
5mV/C
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
ESC
ESC
ESC
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
ESC
Press and hold
the ‘ESC’ button
for 2 seconds to
stop the charge.
STOP
CHARGE
With the line selection arrow on the ‘CHG.’ line, check the correct charge current and
cell voltage is selected, then press and hold the ‘Enter’ button for 2 seconds to start
the charge.
As shown in the flow chart above, pressing the ‘Mode’ or ‘Esc’ buttons at any stage
whilst charging moves through the different screens giving detailed information
about the charge.
Pressing the ‘Esc’ button for 2 seconds at any stage will stop the charge.
11
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CHARGING A NICD/NIMH PACK
In the flow chart below, we have shown an example of how to charge a 6 cell (7.2V)
3000mAh NiMH pack at 4.5 amps using a ‘Normal’ charge type.
Press the ‘Inc’ or
‘Dec’ buttons to
change the
▲
Press and hold
the Enter button
for 2 seconds to
start.
Press and hold
the Enter button
for 2 seconds to
start the charge.
INC
DEC
▼
charge type.
1]NiMH 6S 3000mAh
CHG. : 4.5A 5mV/C
[ NiMH ] CHARGE
1]NiMH 6S 3000mAh
CHG. : 4.5A 5mV/C
*** BATTERY ***
*** CHECK ***
DCHG. :10.0A 0.8V/C
CYCLE : CD 1x 10m
0]NiMH 6S 3300mAh
CHARGE <ANUOTROMALTIC>
ENTER
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
ENTER
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
C-AUTOMATIC
CAPACITY :
0:01:12
15mAh
C-AUTOMATIC
0:04:02
C-AUTOMATIC
BAT. TEMP. :
0:05:18
22.1°C
22.1°C
100mΩ
INPUT VOLT : 14.222V
Mode
Mode
VOLTAGE
CURRENT
:
:
8.212V
4.10A
PEAK VOLT :
AVG. VOLT :
8.922V
0.000V
PEAK TEMP. :
BATTERY RES:
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
ESC
ESC
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
ESC
Press and hold
the ‘ESC’ button
for 2 seconds to
stop the charge.
STOP
CHARGE
After selecting charge for a NiCd or NiMH pack, you are given the option to select
four different charge types. These are:-
This is a fully automatic charge that will ignore the selected charge parameters. The
Automatic
charger will monitor the battery by stopping the charge for a few seconds every minute
and then automatically adjust the charge current to make sure the best charge current
is delivered to your pack.
The charger will charge the pack at the selected charge current, but will stop charging
for five seconds every minute. This allows for better peak detection.
Normal
The selected current is maintained throughout the charge.
Linear
Reflex (sometimes know as ‘Burp’ or ‘reverse pulse’) charging is where the charger
Re-Flex
applies a reverse charge of 4 times the charge current for 4/1000 of every second.
Reflex charging is believed to help remove oxidizing gas bubbles from the cell plates in
the battery, allowing it to charge more efficiently. Reflex charging is not always
recommended for NiMH cells, so please check with your battery manufacturer first.
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In this example a ‘Normal’ charge is selected and then the ‘Enter’ button is pressed
for 2 seconds to start the charge.
As shown in the flow chart, pressing the ‘Mode’ or ‘Esc’ buttons at any stage moves
through the different screens giving detailed information about the charge.
Pressing the ‘Esc’ button for 2 seconds at any stage will stop the charge.
OTHER SCREENS
As shown in the flowchart below, the other screens are accessed using the ‘Mode’
and ‘Esc’ buttons.
Memory Screen
User Settings
Data View
Cycle View
Balancer View
11]LiPo 3S 2200mAh
CHG. : 2.1A 4.20V/C Mode
DCHG. :10.0A 3.0V/C
STORE MODE START
TEMP.MODE
:
°C
ON
INPUT VOLT: 13.200V
OUTPUT VOLT: 11.123V
BAT. TEMP. : No.Sens
[ 1]CAPACITY VOLTAGE
3S=11.845V 11S=3.944V
1
C:
D:
Mode
Mode
Mode
BUTTON SOUND :
0mAh
0mAh
0.000V
0.000V
33.95V
3
FINISH SOUND : 5sec
13.94V
1
MELODY
:
1
PEAK TEMP. :
0.0°C
8mV
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
0]NiMH 6S 3300mAh
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
ESC
ESC
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
DCHG. : 5.0A 0.8V/C
ESC
ESC
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
CYCLE : CD 1X 10m
USER SETTINGS SCREEN
This screen is used to set the temerature mode and
charger sounds for each charger channel. We
recommend selecting a different melody for each
channel (charger), so you can easily identify which
channel has completed it’s operation.
TEMP.MODE
:
°C
ON
BUTTON SOUND :
FINISH SOUND : 5sec
MELODY
:
1
0]NiMH 6S 3300mAh
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
CYCLE : CD 1X 10m
DATA VIEW SCREEN
The data view screen shows both the input and output
voltages, together with the current and peak
temperature readings for each channel.
INPUT VOLT: 13.200V
OUTPUT VOLT: 11.123V
BAT. TEMP. : No.Sens
PEAK TEMP. :
0.0°C
0]NiMH 6S 3300mAh
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
CYCLE : CD 1X 10m
CYCLE VIEW
The cycle view screen shows the charge and discharge
data for the most recent pack to be charged or
discharged.
[ 1]CAPACITY VOLTAGE
1
C:
D:
0mAh
0mAh
0.000V
0.000V
0]NiMH 6S 3300mAh
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
13
CYCLE : CD 1X 10m
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If the cycle function has been used (NiCd/NiMH only), then pressing the ‘Inc’ button
shows the charge and discharge statistics for the previous 10 cycles.
BALANCER VIEW
When a Lithium pack is connected to the charger, the balancer screen shows the
balance statistics for the pack and allows the user to read off the individual cell
voltages.
Press the ‘Inc’ or ‘Dec’
button to select a
specific cell to view.
Number of cells and
total pack voltage
Voltage difference
between the highest
and lowest cells
3S=11.845V 11S=3.944V
33.95V
Highest and lowest
voltage cells
3
13.94V
1
8mV
0]NiMH 6S 3300mAh
CHG. : 3.3A
5mV/C
DCHG. : 5.0A 0.8V/C
CYCLE : CD 1X 10m
SYSTEM MENU
The system menu is accessed by holding down the ‘Mode’ button and connecting the
power. In this menu you can adjust the LCD parameters and set the user name that
appears on the welcome screen.
Press and hold the Mode button
whilst connecting the power.
Mode
LCD CONTRAST: 10
LCD BACKLIT :
ON
Power
On
ABCDEFGHIJKLMNOPQ
RSTUVWXYZ abcdefg
hijklmnopqrstuvwx
yz 0123456789 -.’
ESC
Emperor L702BP
v1
To edit the username, press the ‘Dec’ button to move down the line selection arrow
to the username line. When on this line selection changes to character selection, so
using the ‘Inc’ and Dec’ buttons select the character to be changed, and then press
the ‘Enter’ button to highlight the character. Using the ‘Inc’ and ‘Dec’ buttons to
select the new character and press the ‘Enter’ button when finished. Continue this to
change each character. When you have finished, press the ‘Esc’ key to exit this menu.
FACTORY SETTINGS
To reset the charger to the original factory settings, press and hold the ‘Esc’ button
when connecting the power.
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ERROR MESSAGES
The Emperor L702B Pro has a number of error and warning messages that are
designed to advise the user of any problems.
When applicable, pressing the ‘Esc’ button clears the message.
SAFETY PRECAUTIONS
• DO NOT attempt to charge incompatible types of rechargeable batteries. This
charger is designed to only charge and discharge Nickel-Cadmium, Nickel-Metal
Hydride, Lithium-Ion, Lithium-Polymer, LiFePO4 and Lead-Acid batteries.
• Make sure you place the charger on a firm level surface for charging.
• DO NOT attempt to charge batteries at excessive fast charge currents. Check with
your battery manufacturer for the maximum charge rate applicable to your battery.
• DO NOT use automotive type battery chargers to power the charger.
• DO NOT leave the charger unattended while charging. Disconnect the battery and
remove input power from charger immediately if the charger becomes hot. Allow the
charger or battery to cool down before reconnecting.
• DO NOT allow water, moisture or foreign objects into the charger.
• DO NOT place the battery or charger on or near a flammable object while in use.
Keep away from carpets, cluttered workbenches, etc.
• DO NOT cover the air intake holes on the charger as this could cause the charger to
overheat.
• Connect the charge lead to the charger BEFORE connecting to the battery.
• DO NOT disassemble the charger.
• This unit is not intended for use by young children or infirm persons unless they
have been adequately supervised by a responsible person to ensure that they can
use it safely.
• Young children should be supervised to ensure that they do not play with the
charger.
• DO NOT attempt to charge non-rechargeable batteries.
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• Lead-Acid batteries must be placed in a well ventilated area when charging.
• DO NOT attempt to charge whilst the input 12 volt battery is being charged, as the
voltage supplied to the charger may be too high.
LITHIUM ION/POLYMER BATTERY - SAFETY WARNINGS
Ensure that the charger and battery are placed on a non-flammable surface whilst
charging.
NEVER charge a Lithium ION/Polymer/Fe battery inside a vehicle whatever the
circumstances.
ALWAYS ensure that the charger is correctly set for the battery being charged,
checking both voltage and capacity. Be particularly careful if using a series/parallel
battery pack, or if using packs of different specifications with the same charger.
NEVER charge at a rate higher than that recommended by the cell manufacturer, this
can be very dangerous.
DO NOT leave Lithium ION/Polymer/Fe batteries unattended whilst they are
charging. Monitoring the batteries during charging is very important.
ALWAYS monitor the temperature of the battery being charged every few minutes. If
the battery becomes hot to the touch, disconnect it from the charger immediately
and allow to cool. DO NOT recommence charging until the battery and charger have
been checked for compatibility and the charger settings have been confirmed as
being correct.
In the unlikely event of the Lithium ION/Polymer/Fe battery catching fire DO NOT use
water to attempt to put the fire out, instead use sand or a fire extinguisher designed
for electrical fires.
When used correctly, Lithium ION/Polymer/Fe battery packs are as safe as any other
type of rechargeable battery pack. However they do require different charge regimes
to the longer established Nickel Cadmium and Nickel Metal Hydride technologies and
have the potential of catching fire if severely mistreated.
If Lithium Polymer battery packs are short-circuited or severely over-charged
elemental Lithium may be deposited internally, and if the battery pouch is damaged
this can escape from inside the battery. If this occurs a fire may be caused, as
elemental Lithium is highly reactive when exposed to water or moisture, producing
flammable hydrogen gas and corrosive fumes. Elemental Lithium is not produced
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unless the battery pack is severely mistreated, so in normal usage there is no
likelihood of explosion or fire.
Lithium Ion/Polymer battery packs must NEVER be discharged below 3 volts per cell
(Li-Fe 2.0V) as this will result in damage to the cells. If the voltage is allowed to drop
below 3 volts per cell the battery voltage may seem to recover following a charge,
but the battery may not then give its full nominal capacity and a reduction in
performance is likely – allowing the voltage to drop below 3 volts per cell will
invalidate all warranty claims.
NEVER charge Lithium Polymer battery packs at greater than 4.2V per cell, Lithium
Ion at 4.1V volts per cell or LiFe at greater than 3.7V per cell as this will cause
irreversible damage to the cells and will invalidate all warranty claims.
NEVER charge Lithium battery packs above their maximum charge rate. This can
damage the pack and can be dangerous. Generally, Lithium Polymer packs should not
be charged above 2C (2 x Capacity). However, some newer packs do allow charging at
up to 5C, but charging at these higher rates will reduce the life of the pack.
e.g Pack of 2500mAh capacity : 2C = 5000mAh = 5A max charge current.
DO NOT use discharge rates in excess of those specified with the battery pack as this
will result in a significant drop in voltage under load and will dramatically reduce the
number of charge/discharge cycles the battery pack will give.
If disposing of Lithium battery packs ensure that the pack is fully discharged by using
a light bulb, electric motor or similar to completely discharge the pack.
DO NOT allow any Lithium battery pack to short-circuit as this is likely to
result in a minor explosion and consequent fire.
BEFORE charging any Lithium battery packs they should be closely inspected for any
damage, such as punctures in the sleeving or if the battery has swollen or expanded
in size. If any such damage is detected DO NOT charge, even if the battery otherwise
appears to be brand new.
Before commencing charging ALWAYS double check the settings on the charger to
ensure it is set correctly for the battery pack to be charged. Using the wrong settings
is likely to result in damage to the battery pack being charged and could result in the
battery catching fire.
17
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www.logicrc.com
Logic RC Limited
14 Hartham Lane
Hertford
SG14 1QN
United Kingdom
rev. 11-2009
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