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Microprocessor controlled high-performance rapid charger/discharger

with integrated balancer / temperature sensor

operating manual

G.T. POWER A620

Содержание A620

Страница 1: ... 1 Microprocessor controlled high performance rapid charger discharger with integrated balancer temperature sensor operating manual G T POWER A620 ...

Страница 2: ...tes 5 Program ﬂow chart 6 Initial Parameter set up 7 Lithium battery Lilo LiPo LiFe program 7 1 Charging Lithium Battery 7 2 Charging Lithium battery at balance mode 7 4 STORAGE control Lithium battery 7 5 Discharging Lithium battery 7 6 Voltage balancing and monitoring during the discharge 7 3 FAST charging Lithium battery 1 Speciﬁcations ...

Страница 3: ... c o r p e h t g n i r u d n o i t a m r o f n i s u o i r a V 2 1 13 Warning and error messages 14 Warranty and service 9 1 Charging Pb battery 9 2 Discharging Pb battery 15 16 16 8 1 Charging NiCd NiMH battery 8 2 Discharging NiCd NiMH battery 8 3 Charge to discharge discharge to charge cycle NiMH NiCd battery ...

Страница 4: ...wer capacity 400W input voltage 15V Maximum discharge power capacity 25W Current drain for balancing Li po 200mAh cell Lithium LiPo LiIo LiFe battery cell count 1 6 series NiCd NiMH battery cell count 1 18 series Pb battery voltage 2 20V Battery setup memories 10 Intelligent temperature control Yes Weight 820g Dimensions 152X145X57mm ...

Страница 5: ... separately when charging Lithium batteries Lilo LiPO LiFe for cell voltage balancing Balance individual cells on discharge It also can monitor 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 It can accept three types of L...

Страница 6: ...hed Processing time limit you can also restrain the maximum process time to prevent from any possible defect Input power monitor To protect the car battery using as input power from being damaged the voltage of it always monitored If it dorps below the lower limit the process will be ended automatically Automatic cooling fan The electric cooling fan comes into action automatically only when the in...

Страница 7: ...n inﬂammable and non conductive surface Never place them on a car seat carpet or similar Keep all the inﬂammable volatile materials well away from operating area Be sure to understand the information of the battery to be charged or discharged accurately If the program is set up incorrectly the battery can severely be damaged Especially Lithium battery can cause a ﬁre or an explosion by over chargi...

Страница 8: ...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 charged or discharged Reverse the hsequence when disconnecting Do not connect more than one battery pack to the charge...

Страница 9: ... by the battery manufacturer It is only allowed to charge batteries at rates higher than the standard charge current if they are expressly stated to be capable of quick charge Connect the battery to charge to output terminal of the charger using suitable charge lead They are red positive and black negative Since the charger cannot detect the difference between the internal resistance of the batter...

Страница 10: ...capacity This is a memory effect NiCd and NiMH batteries are said to suffer from memory effect They prefer complete cycles fully charge then use until empty do not recharge before storage allow them to self discharge during storage NiMH batteries have less memory effect than NiCd The Lithium battery prefers a partial rather than a full discharge Frequent full discharges should be avoided if possib...

Страница 11: ...Po Lilo LiFe CHK Time NiMH Nicd Pb Trickle charge NiMH Sensitivity D Peak Waste Time CHG DCHG Nicd Sensitivity D Peak Temp Cut Off 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 ...

Страница 12: ...he error you can set the time term to verify the cell count by the processor Normally 10 minutes are enough to perceive the cell count correctly For the battery of larger capacity you may extend the time term But if you set the time term too long for the battery of smaller capacity the charge or discharge process can be ﬁnished within the time term with the erroneous cell count This may cause the ...

Страница 13: ...matically supply the trickle charge current to achieve the full charge without overheating the battery after fast charge has been terminated When you start a charge process the integral safety timer automatically starts running at the same time This is programmed to prevent overcharge the battery if it proves to be faulty or if the termination circuit cannot detect the battery full The value for t...

Страница 14: ...re 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 very important it should be precisely match...

Страница 15: ...output plug to the output of charger In this mode the charging process will be different from ordinary charging mode The internal processor of the charger will monitor the voltages of each cell of the battery pack and controls charging current that is feeding to each 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 sec...

Страница 16: ...t and the voltage of the battery pack being charged As you press Start Enter button the voltage conﬁrmation will be displayed And then if you conﬁrm the voltage and current press Start Enter button again to start charging This shows the present state of FAST charging To stop charging arbitrary press Batt type Stop key once 7 4 STORAGE control Lithium battery This is for charging or discharging Lit...

Страница 17: ...for more than 3 seconds Discharge current 0 1 5 0A This shows the present state of discharge To stop discharging press Batt type Stop key once 7 6 Voltage balancing and monitoring during the discharge The processor monitors the voltage of individual 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...

Страница 18: ...tart the process press Start Enter button for more than 3 seconds 8 1 Charging NiCd NiMH battery This program simply charge the battery using the current you set In Aut mode you need to set the upper limit of charge current to avoid from higher feeding current that may damage the battery Because some batteries of low impedance and small capacity can lead to the higher charge current by the process...

Страница 19: ...nce The audible sound indicated you at the end of process 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 The cycling number ranges from 1 to 5 To stop th...

Страница 20: ...r key to make it blink then change the value with INC or DEC key The value will be stored by pressing Start Enter key once 9 1 Charging Pb battery Set up the charge current on the left and the nominal voltage of the battery on the right The charge current ranges from 0 1 to 20 0A and the voltage should be matched with the battery being charged Start the charge process by pressing Start Enter key f...

Страница 21: ...d efficiency We can know battery performance and the matching of each battery by getting the battery resistance value The lithium battery internal resistance value tested by this charger is relative not absolute which is tested under the testing voltage But is can also know the battery performance and compariso you had better put them under the same voltage to detect For example to compare two 3 c...

Страница 22: ...e the value with INC or DEC key Program select The parameter valaue setting up in this screen does not affect charge or discharge process They only represent the specification of the battery The following screens will automatically be displayed exactly matched battery type you set up The example shows the battery pack of NiMH 12cells and 3000mAh of capacity Set up the charge current for manual cha...

Страница 23: ...hat 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 matched with the number will be displayed at this time 20 Loading the data ...

Страница 24: ... the individual connection cable is linked to the Lithium battery being processed It comes to the ﬁnal voltage when the program ended Displayed capacity cut off function is turn on and the setting 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 batter...

Страница 25: ...e of up to 6 batteries 14 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 Battery connection is interrupted Short circuit of the output termination I...

Страница 26: ...hich is set Please check the number of cells in the battery pack Voltage of one cell in the battery pack is too low please check the voltage of each cell Voltage of one cell in the battery pack is too high please check the voltage of each cell Wrong connection of the connector detected please check the connector and cable The internal temperature of the unit goes too high Cool down the unit The pr...

Страница 27: ...ich 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 Date of purchase delivery Dealer ...

Страница 28: ... 24 Note ...

Страница 29: ...RoHs ...

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