Eachine WT50 Operating Manual
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Eachine WT50 Operating Manual

Balance charger/discharger for nicd/nimh/lithium/pb batteries
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BALANCE CHARGER/DISCHARGER
FOR NICD/NIMH/LITHIUM/PB BATTERIES
Dual Input Power(AC/DC)
Operating Manual
Thank you for purchasing the balance charger. This is a rapid
charger/discharger with built in balancer, computerised with
microprocessor and specialised operating software. Please read this
entire operating manual completely and attentively before using.

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Summary of Contents for Eachine WT50

  • Page 1 BALANCE CHARGER/DISCHARGER FOR NICD/NIMH/LITHIUM/PB BATTERIES Dual Input Power(AC/DC) Operating Manual Thank you for purchasing the balance charger. This is a rapid charger/discharger with built in balancer, computerised with microprocessor and specialised operating software. Please read this entire operating manual completely and attentively before using.

  • Page 2: Table Of Contents

    Contents Features Exterior of the unit Warnings and safety notes Program flow chart Initial Parameter set up (Users' set up) Lithium battery(Lilo/LiPo/LiFe)program Charging Lithium Battery Charging Lithium battery at balance mode 'FAST' charging Lithium battery 'STORAGE' control Lithium battery Discharging Lithium battery Voltage balancing and monitoring during the discharge NiMH/NiCd battery program Charging NiCd/NiMH battery...

  • Page 3: Features

    1. Features Optimised operating software When charging or discharging, it has an 'AUTO' function that sets the feeding current automatically. Especially for Lithium batteries, it can prevent the over-charging can lead to an explosion by users fault. Every program in the unit is controlled with mutual links and communication for every possible error so it introduces a maximum safety.
  • Page 4 Maximum safety Delta-peak sensitivity: The automatic charge termination program works on the principle of the Delta-peak voltage detection.(NiCd/NiMH) Auto-charge current limit: When charging NiCd or NiMH at 'AUTO' current mode, you can set the upper limit of change current to avoid from high current charging. This is very useful when charging the low impedance and small capacity NiMH battery in 'AUTO' mode.

  • Page 5: Exterior Of The Unit

    2. Exterior of the unit Input power cable (AC100-240V)

  • Page 6: Warnings And Safety Notes

    3. Warnings and safety notes • Never leave the charge unsupervised when it is connected to its power supply. If any malfunction is observed immediately terminate the process and refer to the operation manual. • Keep away the unit from dust, damp, rain, heat direct sunshine and vibration. Do not dorp it.
  • Page 7 You have to pay attention to verify the capacity and the voltage of the Lithium battery pack. It may be composed of parallel and series connection mixed. In parallel link the capacity of the battery pack is multiplied by the number of cells but the voltage remains same.

  • Page 8: Program Flow Chart

    4. Program flow chart Start PROGRAM SELECT LIXX CHARGE LIXX BALANCE LIXX FAST CHG LIXX STORAGE Enter LIXX BATT Batt type stop LIXX DISCHARGE PROGRAM SELECT Start NiMH CHARGE Enter NiMH DISCHARGE NiMH CYCLE NiMH BATT 'Aut' / 'Man' Batt type stop PROGRAM SELECT Start...

  • Page 9: Initial Parameter Set Up (Users' Set Up)

    5. Initial Parameter set up (Users' set up) It will be operated with the default value of the essential user settings when it is connected to a 12V batttery for the first time.The screen displays the following information in sequence and the user can change the value of parameter on each screen.
  • Page 10 This shows the trigger voltage for automatic charge termination of NiMH and NiCd battery. The effective value ranges from 5 to 20mV per cell .if the trigger voltage is set higher, there is a danger of overcharging the battery; if it is set lower, there is a possibility of premature termination.

  • Page 11: Lithium Battery(Lilo/Lipo/Life)Program

    This program sets the maximum charge capacity that will be supplied to the battery during charge. If the delta-pack voltage is not detected nor the safety timer expired by any reason, this feature will automatically stop the process at the selected capacity value. The beep sounds at every time pressing the buttons to confirm your action.

  • Page 12: Fast' Charging Lithium Battery

    This shows the number of cells you set up and the processor detects. ' R: ' shows the number of cells found by the charger and ' S:' is the number of cells selected by you at the previous screen. If both numbers are identical you can start charging by press Start/Enter button.

  • Page 13: Storage' Control Lithium Battery

    6.3 'FAST' charging Lithium battery The charging current is getting smaller as the process goes to the near end term of Lithium battery chaging. To finish charging process earlier, this program eliminate certain term of CV process. Actually, the charging current will goes to 1/5 from the initial value to end the process while the normal chaging goes to 1/10 during CV term.

  • Page 14: Voltage Balancing And Monitoring During The Discharge

    6.5 Discharging Lithium battery The value of discharge current on the left side of screen may not exceed 1C for a maximum safety and the final voltage on the right should not be under the voltage level that is recommended by the battery manufacturer to avoid deep discharging.

  • Page 15: Nimh/Nicd Battery Program

    7. NiMH/NiCd battery program These programs are for charging or discharging NiMH (Nickel-Metal-Hydride) or NiCd (Nickel-Cadmium) battery commonly used for R/C model aplications. To alter the value at the display, press Start/Enter key to make it blink then change the value using INC or DEC key.The value will be stored by pressing Start/Enter key once.

  • Page 16: Charge-To-Discharge & Discharge-To-Charge Cycle Nimh/Nicd Battery

    7.3 Charge-to-discharge & discharge-to-charge cycle NiMH/NiCd battery Set the sequence on the left and the number of cycle on the right. You can use this function for balancing, refreshing and break-in the battery. To avoid rising temperture of the battery, there will a brief cool-off period that already fixed at 'User setting' after each charge and discharge process.

  • Page 17: Discharging Pb Battery

    The screen displays the state of charging process. To stop charging forcibly, press Batt type/Stop key once. The audible sound indicates you at the end of process. 8.2 Discharging Pb battery Set discharge current on the left and final voltage on the right.

  • Page 18: Load Data Program

    Set up the charge current for manual charge mode, or the current limit for automatic charge mode. Each mode can be switched by pressing INC and DEC button at the same time when the current field is blinking. Setting up discharge current and final voltage. Setting up the sequence of charge and discharge, and the cycling number.
  • Page 19 11. Various information during the process You can inquire various information on LCD screen during charging or discharging process. When you press DEC button the charger shows the establishment of user settings. And also you can monitor the voltage of individual cell by pressing INC button when the individual connection cable is linked to the Lithium battery being processed.

  • Page 20: Warning And Error Messages

    12. Warning and error messages It incorporates a various functions of protective and monitoring the system to verify functions and the state of its electronics. In any case of occurring error, the screen displays the cause of error that is self- explanatory with audible sound. Incorrect polarity connected.

  • Page 21: Specifications

    13. Specifications Dual input power(AC/DC): Input AC:100~240Volt Input DC: 11~18Volt Circuit power: max.50W for charging max.5W for discharging Charge current range: 0.1~6.0A Discharge current range: 0.1~1.0A Current drain for balancing Li-po: 300mAh/cell NiCd/ NiMH battery cell count: 1~15cells Lithium battery cell count: 1~6Series Pb battery voltage: 2 to 20V...
  • Page 22 RoHs...

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