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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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CONTENTS Specifications ................................................................................................................. 2 General Operation ......................................................................................................... 3 Output Battery Connections ...................................................................................... 3 Turning On & Setting the Input Power ...................................................................... 4 The
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SPECIFICATIONS MODE TYPE SPEC Power Supply DC Input 11-28V DC Battery Types NiCd, NiMH, LiPo, LiIon, LiFe, Pb Operating Modes NiCd, NiMH Charge, Discharge, Cycle LiPo, LiIon, LiFe, Pb Charge, Discharge, Store Operation function Charge (NiCd, NiMH) Automatic charge Normal charge Linear charge RE-FLEX charge Charge (LiPo,LiIon,LiFe,Pb) CC-CV charge Discharge Automatic discharge (NiCd, NiMH) Normal discharge (NiCd, NiMH) Linear discharge Store Mode 60% Capacity Number of Cells Ni
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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
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TURNING ON & SETTING THE INPUT POWER The input power leads on the Emperor are supplied with 4mm Power On 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 (+). When the charger is initially connected to a power source, it Emperor L702B Pro v1 www.LogicRC.com will ask you to confirm the maximum input power availabl
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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 s
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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. : 5.0
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LITHIUM FUNCTIONS AND PARAMETERS When a Lithium type battery is selected, the following functions and parameters are nd rd available. The 2 and 3 pages (shown below) are accessed by moving the line selection down arrow off the bottom of the page. 11]LiPo 3S 2200mAh Charge CHG. : 2.1A 4.20V/C Discharge DCHG. :10.0A 3.0V/C Page 1 Store Mode STORE MODE START Cut-off Temperature CUT.TEMPER. : 55°C Cut-off when x% of MAX.CAPACITY: 120% Cut-off if maximum capacity is reached. Page
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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 char
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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 : C D 1x 10m Cut-off Temperature CUT.TEMPER. : 55°C Cut-off when x% of MAX.CAPACITY: 150% capacity is reached. Do not detect peaks PEP AK Da ELg AY e : 2 3min for x mins. 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
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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 p
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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 [ LiPo ] CHARGE CHG. : 2.2A 4.20V/C DCHG. : 2.2A 3.0V/C *** BATTERY *** STORE MODE START *
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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 ‘No r ma l ’ charge type. Press and hold Press the ‘Inc’ or ▲ Press and hold INC ‘Dec’ buttons to the Enter button the Enter button change the for 2 seconds to for 2 seconds to DEC start. charge type. start the charge. ▼ 1]NiMH 6S 3000mAh [ NiMH ] CHARGE 1]NiMH 6S 3000mAh CHG. : 4.5A 5mV/C CHG. : 4.5A 5mV/C *** BATTERY
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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 Se
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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’ Number of cells and button to select a total pack voltage specific cell to view. Voltage difference 3S=11.845V 11S=3.944V
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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 l
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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
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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
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