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13. Specifications                      

14. Warranty and service          

Operating voltage range:                      10.0~18.0Volt
Circuit power:                                        max.150W for charging
                                                              max.25W for discharging                                
Charge current range:                           0.1~7.0A
Discharge current range:                       0.1~5.0A
Current drain for balancing Li-po:          300mAh/cell
NiCd/ NiMH battery cell count:              1~27cells
Lithium battery cell count:                      1~8Series
Pb battery voltage:                                 2 to 36V
Weight:                                                   700g
Dimension:                                            165×130×45mm

We warrant this product for a period of one year(12 months) from the date of 

purchase. The guarantee applies only to such material or operational defects, which 
are present at the time of purchasing the product. During that period, we will replace 
without service charge any product deemed defective due to those causes. You will 
be required to present proof of purchase (invoice or receipt). This warranty does 
not cover the damage due to wear, overloading, incompetetent handling or using of 
incorrect accessories.

 Note:

Содержание A8

Страница 1: ...erating Manual Thank you for purchasing the G T POWER A8 balance charger This is a rapid charge discharger with built in balancer computerised with microprocessor and specialised operating software Please read this entire operating manual completely and attentively before using ...

Страница 2: ...ata Program 11 Various information during the process 12 Warning and error messages 13 Specifications 14 Warranty and service 6 1 Charging Lithium Battery 7 1 Charging NiCd NiMH battery 8 1 Charging Pb battery 6 2 Charging Lithium battery at balance mode 7 2 Discharging NiCd NiMH battery 8 2 Discharging Pb battery 6 4 STORAGE control Lithium battery 6 5 Discharging Lithium battery 6 6 Voltage bala...

Страница 3: ...onitor and balance individual cells of the Lithium battery pack during the discharge process If the voltage of any one cell varies abnormally the process will be stopped with the error message Accept various types of Lithium battery A8 can accept three types of Lithium batterles Lilo LiPo and LiFe They have different characteristics by their chemistry You can select any one of them that you are go...

Страница 4: ... at any time you need and the process can be executed without program setting Cyclic charging discharging Perform 1 to 5 cycles of charge discharge or discharge charge continually for battery refreshing and balancing PC based analysis using USB communication For technical expert A8 offers PC based program can analyse the characteristic of the battery by USB port It shows a graph of voltage current...

Страница 5: ...y Please connect as shown in the following diagram carefully Batt type stop To select main program To stop the operation Temperature sensor port Dec Inc To select sub program To alter the value LCD screen 16chr x2lines Charging lead Connector 4mm banana female USB port Input power cable DC 11V 18V Individual cell Connector port Start Enter To resume or start the operation ...

Страница 6: ... charge voltage 3 6V cell allowable fast charge current 4C or less e g A123M1 discharge voltage cut off level 2 0V cell or higher voltage level 2 0V cell Lead acid max charge voltage 2 46V cell allowable fast charge current 0 4C or less discharge voltage cut off level 1 50V cell or higher NiCd NiMH Lilo LiPo Life Pb battery can cause a fire or an explosion by over charging To avoid short circuits ...

Страница 7: ...tion mixed In parallel link the capacity of the battery pack is multiplied by the number of cells but the voltage remains same That kind of voltage imbalance causes a fire or explosion during charge process We recommend you compose the Lithium battery pack in series only Discharge The typical purpose of discharge is to determine the residual capacity of the battery or to lower the voltage of batte...

Страница 8: ... Input Power Low Cut Off Back Light NiMH Sensitivity D Peak Waste Time CHG DCHG Nicd Sensitivity D Peak Temp Cut Off USB Enable Pb DISCHARGE NiMH CYCLE Nicd CYCLE Pb CHARGE SAVE DATA LOAD DATA LIXX CHARGE LIXX BALANCE LIXX FAST CHG LIXX STORAGE Start Enter Start Enter Start Enter Start Enter Start Enter Start Enter Start Enter INC DEC INC DEC INC DEC INC DEC INC DEC INC DEC INC DEC INC DEC INC DEC...

Страница 9: ...et it up correctly If it is different from correct value the battery can explode during charge process A8 recognise the cell count of Lithium battery automatically at the beginning of charge or discharge process to avoid from erroneous setting by user But deeply discharged battery can be perceived incorrectly To prevent the error you can set the time term to verify the cell count by the processor ...

Страница 10: ...ct the battery The battery is on the cyclic process of charge and discharge can often become warm after charge or discharge period The program can insert a time delay to occur after each charge and discharge process to allow the battery adequate time to cool down before being subjected to the next process The value ranges from 1 to 60 minutes You can set the trickle charge mode on or off If it is ...

Страница 11: ...Lilo LiPo LiFe program These programs are only suitable for charging and discharging Lithium batteries with a nominal voltage of 3 3V 3 6V and 3 7V per cell These batteries need to adopt different charge technique is termed a constant voltage CV and constant current CC method The charge current varies according to the battery capacity and performance The final voltage of charge process is also ver...

Страница 12: ...ach cell to normalise the voltage The value on the left side of second line sets a charge current and the value on the right side of second line sets the voltage of the battery pack After setting the current and voltage press Start Enter key for more than 3 seconds to start the process Charge current 0 1 7 0A Volatge 1 8 series This shows the number of cells you set up and the processor detects R ...

Страница 13: ... of FAST charging To stop charging arbitrary press Batt type Stop key once 6 4 STORAGE control Lithium battery This is for charging or discharging Lithium battery not to be used for the time being The program will determine to charge or discharge the battery to the certain voltage depending on the voltage of the battery at its initial stage They are different from the type of the battery 3 75V for...

Страница 14: ...cells during storage mode and discharge of Lithium battery pack It tries to normalise the voltages to be equal For this feature the individual plug of the battry pack should be connected to the individual port of the charger If the voltage of any one or more cells varies abnormally during the procedure It terminates the process forcibly with the error massage If this happens the battery pack conta...

Страница 15: ...cessor at automatic charge mode But in Man mode it will charge the battery with the charge current you set at the display Each mode can be switched by pressing INC and DEC button simultaneously when the current field is blinking The screen displays the current state of charging To stop the process press Batt type Stop key once The audible sound indicates you the end of process 7 2 Discharging NiCd...

Страница 16: ... 8 Pb lead sulphuric acid battery program This is programmed for charging Pb lead sulphuric acid battery with nominal voltage from 2 to 36V Pb batteries are totally different from NiCd or NiMH batteries They can only deliver relatievely lower current compare to their capacity and similar restrictions definitely apply to charge So the optimal charge current will be 1 10 of the capacity Pb batteries...

Страница 17: ...key once The audible sound indicates you at the end of process 9 Save Data Program A8 has a data storage and load program for your convenience This feature can store up to 10 battery data by number that represent the individual specification of batteries you are using They can be called back for the process of charging or discharging without setting up the program again To set up the parameter val...

Страница 18: ...e sequence of charge and discharge and the cycling number Saving the data 10 Load Data Program This program calls back the data that was stored at Save Data program To load the data press Start Enter key once to blink the data number field and select the number using INC or DEC key then press Start Enter key for more than 3 seconds Program select Select the data number to be called back The data m...

Страница 19: ... value of capacity Displayed safety timer is turn on and duration of time in minutes Displayde temperature cut off function is turn on The internal temperature of the charger ang the temperature of battery being charged The external temperature only will be displayed when using the thermal probe The present voltage of input DC power Using the individual connection cable to the battery you can chec...

Страница 20: ...was selected incorrectly Verify the voltage of battery pack carefully There happens the malfunction at the charger circuit by any reason The processor detects the voltage is lower than you set at Lithium program Please check the cell count of the battery pack The processor detects the voltage is higher than you set at Lithium program Please check the cell count of the battery pack The voltage of o...

Страница 21: ...to 36V Weight 700g Dimension 165 130 45mm We warrant this product for a period of one year 12 months from the date of purchase The guarantee applies only to such material or operational defects which are present at the time of purchasing the product During that period we will replace without service charge any product deemed defective due to those causes You will be required to present proof of pu...

Страница 22: ...Note ...

Страница 23: ...RoHs G T POWER A8 BALANCE CHARGER DISCHARGER FOR NICD NIMH LITHIUM PB BATTERIES ...

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