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Summary of Contents for G.T.Power G.T. X2
- Page 1 O P E R A T I N G M A N U A L AC-DC MULTI CHEMISTRY BALANCE CHARGER AC 100V–240V | DC 11.0V–18.0V BALANCE CHARGER/DISCHARGER FOR Li-ion/LiPo/LiHv/LiFe/NiMH/NiCd/Pb BATTERIES...
- Page 2 Thank you for purchasing the G.T X2 Charger. This charger is comprised of two, multi-chemistry capable, rapid chargers / dischargers, cell balancers with built in microprocessors built into one component. Please read and understand the entire manual before operating this charger. If you have read the entire manual and still are unclear regarding any of the functions, warnings, or safety precautions, please contact our customer service department to using this product.
- Page 3 AC-DC MULTI CHEMISTRY BALANCE CHARGER CONTENTS SECTION PAGE Features Exterior of the Unit Warnings & Safety Notes Program Flow Chart User Set Up Charging Lithium Batteries Charging Lithium Batteries in Balance Mode “Fast Charging” Lithium Batteries “Storage Mode” for Lithium Batteries Discharging Lithium Batteries Balancing Lithium Batteries During Discharge LiHV Mode Instructions...
- Page 4 High Power Charging Circuit The G.T. X2 charger features a powerful 80-Watt charging circuit. The charger can safely charge or discharge up to 15 cells of NiMH or NiCd batteries and up to 6S LiPo batteries.
- Page 5 AC-DC MULTI CHEMISTRY BALANCE CHARGER Multiple Charging Leads Included The G.T. X2 comes with the following charge leads to include the most common connection types.
- Page 6 Channel Lights Batt type/Stop Indicator To select main program To stop the operation Dec/Inc To select sub program To alter the value Start/Enter To resume or start the operation Channel Selection To select between channel 1 or 2 Balance block Balance block input input...
- Page 7 AC-DC MULTI CHEMISTRY BALANCE CHARGER • Never leave the charger 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 the charger away from dust, water, heat, direct sunlight and vibration. •...
- Page 8 Pay close attention and verify the capacity and the voltage of the Lithium battery pack to be charged or discharged. 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 the same.
- Page 9 AC-DC MULTI CHEMISTRY BALANCE CHARGER Start PROGRAM SELECT LIXX CHARGE LIXX BALANCE Enter LIXX FAST CHG LIXX STORAGE LIXX BATT Batt type stop PROGRAM SELECT NiMH CHARGE Start Enter NiMH CYCLE NiMH DISCHARGE LIXX DISCHARGE NiMH BATT 'Aut' / 'Man' Batt type stop PROGRAM SELECT...
- Page 10 The G.T. X2 charger features two full-featured chargers within a single housing. To swap between channel 1 and channel 2, press the “CHANNEL” button on the front of the charger.
- Page 11 AC-DC MULTI CHEMISTRY BALANCE CHARGER This shows the trigger voltage for automatic peak detection of NiMH and NiCd batteries. 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;...
- Page 12 This setting allows you to change the maximum capacity that will be supplied to the battery during charge. If the nominal pack voltage is not detected and the safety timer does not expire for any reason, this feature will automatically stop the process at the selected capacity value.
- Page 13 AC-DC MULTI CHEMISTRY BALANCE CHARGER The next screen will ask to confirm the settings after the charger examines the battery, giving a cell count. The “R:” value shows the number of cells detected by the charger. The “S:” value shows the number of cells you selected in the previous menu screen.
- Page 14 When charging a Lithium battery, the charging current will begin to drop as the battery reaches nominal voltage. By using the FAST charge option, the reduction of power will not be as great as it is with a standard charge. The benefit of this is a reduced charge time.
- Page 15 AC-DC MULTI CHEMISTRY BALANCE CHARGER Use this setting to discharge a Lithium pack. The charge current and pack voltage are adjustable using the methods shown previously in the charge and balance instructions. Never exceed 1C for the discharge rate and never use a final voltage lower than what is recommended by the battery manufacturer.
- Page 16 Use these programs only when charging a NiMH (Nickel-Metal-Hydride) or NiCd (Nickel-Cadmium) battery. To alter the value on the display, press the START/ENTER key. The charge current can now be altered by using the increase/decrease buttons. The value will be saved by pressing Start/Enter key once. To start the process, press and hold the START/ENTER button for more than 3 seconds.
- Page 17 AC-DC MULTI CHEMISTRY BALANCE CHARGER Select the sequence based on the current state of the battery. If the battery is fully charged, use the Discharge/Charge sequence. If the battery needs to be charged, use Charge/ Discharge. Press START/ENTER to confirm the setting, then choose how many times to cycle the battery (1-5).
- Page 18 Press increase again to return to the single cell data. The G.T. X2 Charger provides a data storage and load feature for your convenience. This feature can store information for up to 5 batteries to be called back for the process of charging or discharging without having to reprogram the charger.
- Page 19 AC-DC MULTI CHEMISTRY BALANCE CHARGER The value settings in this feature do NOT affect the charge or discharge process, but rather allows you to store statistics for commonly charged batteries to speed up the charger setup time. To use this feature, you will want to change the parameters to the exact specifications of the batteries you wish to store.
- Page 20 Final voltage for selected cell type. Displayed capacity cut-off function is turned on and the current value the capacity is set to. Displayed safety timer is turned on and the duration is set in minutes. Displayed temperature cut-off function is turned on. The external temperature is displayed when the temp probe is used.
- Page 21 AC-DC MULTI CHEMISTRY BALANCE CHARGER Incorrect polarity detected. Battery connection was interrupted. Short-circuit of the output termination. Input voltage is wrong. The voltage is lower than the setting currently selected. Please check the number of cells in the battery pack. The charger has an internal error.
- Page 22 Dual input power(AC/DC): Input AC:100~240Volt Input DC: 11~18Volt Circuit power: max.80W for charging max.5W for discharging Charge current range: 0.1~7.0A Discharge current range: 0.1~1.0A Current drain for balancing LiPo: 300mAh/cell NiCd/ NiMH battery cell count: 1~15 cells Lithium battery cell count: 1~6 Series Pb battery voltage: 2 to 20V...
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