Model No.: K2
Input voltage: AC 100~240V / DC 10~30V
Max. input current: DC 35A
Output voltage: DC 1~30V
Charging current: 0.2~20A ×2
Discharging current: 0.2~1.5A ×2
Balance current: 1.5A/Cell Max
Max. charging power: AC 200W / DC 500W ×2
Max. discharging power: 15W ×2
Supported battery types and cell count: LiFe, LiIon, LiPo, LiHv 1~6S; Pb 1~12S; NiMH/Cd 1~16S
Specifications
Parallel charging power/current: 800W/35A
Parallel discharging power/current: 30W/3A
Abnormal voltage alarm: Support
Incorrect cell count setting alarm: Support
Support Working temperature: 0~40℃
Storage temperature: -20~60℃
Dimension: 142×135×64mm
Weight: About 700g
Key operation instructions (under standby interface)
CH1 Menu key: Short press to enter the CH1 detailed parameter interface, long press to enter the CH1 task setting menu.
CH2 Menu key: Short press to enter the CH2 detailed parameter interface, long press to enter the CH2 task setting menu.
Long press the CH1 and CH2 Menu keys at the same time: Enter the advanced settings menu.
USER GUIDE
AC/DC DUAL CHANNEL SMART CHARGER
Port / Buttons
Fan
Vent
USB-C Upgrading Port
DC
Power
Input
AC Power Input
CH1 Balance Port
Display
Screen
CH2 Arrow key
and Menu key
CH1 Arrow key
and Menu key
CH1 Power Output
CH2 Balance Port
CH2 Power Output
Never use the charger without supervision, please stop using the charger and refer to the manual for reasons if any functional abnormity.
Keep the charger away from dust, humidity, rain and high temperature, as well as avoid direct exposure to the sunlight and intense
vibration.
Place the charger on a heat-resisting, non-flammable and insulating surface. Do not use it on the car’s seats, carpet or other similar
places. Keep inflammable and explosive objects away from operation areas of the charger.
Read the instruction manual carefully to be familiar with the features of the charger, and set proper charging parameters before
operating. Setting the parameters incorrectly will result in damage to the product, personal property and cause serious injury as well.
Warnings and Safety Tips
•
•
•
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For your safety and a better user experience, please read this manual and follow the instruction before using the new charger.
Please visit: www.isdt.co for more details on the functions of this smart charger, as well as purchase various accessories.
Functions of products will be kept on upgrading, the manual in your hand may be different from the actual operation,
please refer to the actual functions.
Thanks for purchasing the ISDT K2 Smart Charger.
NEVER USE CHARGER UNSUPERVISED
• Never attempt to charge primary (non-rechargeable) batteries.
• Batteries pose a severe risk of fire if not properly handled.
• Read entire operation manual before using charger.
• This unit may emit heat during use.
• Only operate this device in a cool ventilated area
away from flammable objects.
• Failure to observe safety procedures may cause
damages to property or injury.
Preset Battery Type of Charger and Task Parameters
NiCd/MH
Pb
LiFe
Lilon
LiPo
LiHv
Rated
Voltage
1.20V
2.00V
3.20V
3.60V
3.70V
3.80V
Full Charge
Voltage
1.40V
2.40V
3.65V
4.10V
4.20V
4.35V
Storage
Voltage
3.30V
3.70V
3.80V
3.85V
Discharge
Voltage
0.90V
1.90V
2.90V
3.20V
3.30V
3.40V
Balance
Charge
Unbalanced
Charge
Supported
Cell Count
1~16S
1~12S
1~6S
1~6S
1~6S
1~6S
Max. Charging
Current
20.0A
20.0A
20.0A
20.0A
20.0A
20.0A
Make sure to know the maximum charging current of the battery before charging, never use excessive current to charge to damage
your battery, which will result in over heat even explosion during the charging process.The charging and discharging capacity of battery
is usually marked with C value. Multiplying the charging C value and battery capacity equals to the maximum charging current supported
by the battery. For example, for a 1000mAh battery with a charging capacity of 5C, the maximum charging current would be 1000*5=
5000mA; therefore, the maximum charging current is 5A. For a lithium battery, if it is impossible to confirm the supported charging C
value, please set the charging current below 1C, for the sake of its (lithium battery) safety. The reference relation between C value and
charging time: charging time ≥60 minutes/ charging C value (e.g. it needs around 60~70 minutes to complete charging with 1C).
Due to differences in battery conversion efficiency, the time to complete the charging might be extended.
How to Confirm Charging Current
Power on K2 smart charger, connect the battery, and short press the menu button to enter the task setting menu as follows:
Operating the Charger
Task
Battery
Battery and cell count
Current
Charge, Discharge, Destroy, Storage
LiHv、LiPo、LiIon、LiFe、Pb、NiMh/Cd
LiFe,LiIon,LiPo,LiHv (1~6S) ; Pb (1~12S) ; NiMH/Cd (1~16S)
0.2~20.0A
Charge
Balancing port is strongly recommended when charging lipo battery, which can make sure to monitor voltage on each cell battery and
balance it when charging. Warning beeper will yell before start charging lipo if in non-balance mode (no connecting with balance port).
Current setting range: 0.2~20.0A
The battery type, cell count and charging current are auto set accordingly when connecting with BattGo battery.
Discharge
Current setting range: 0.2~1.5A
The battery type, cell count and discharging current are auto set accordingly when connecting with BattGo battery.
Destroy
Connect the battery to be scrapped, and select the scrap function in task options, which capable to discharge the battery to 0V.
Current setting range: 0.2~1.5A; The battery type and cell count are are auto set accordingly when connecting with BattGo battery.
Storage
Current setting range: 0.2~20.0A
The battery type, cell count and storage current are auto set accordingly when connecting with BattGo battery.
Under the standby interface, long press the CH1 and CH2 button at the same time to enter the advanced setting menu.
Advanced Settings
Dual task
Select this setting,the charger will charge/discharge/store to the two channel batteries with the same parameters at the same time.
Connect the charger with the power supply and power on, select this setting on the advanced setting menu to set the task parameters.
Under the advanced setting menu, select the system setting into the system setting menu as follows:
System Setting Menu
Min. input voltage protection: 10~31V
All tasks in operation will be stopped at once and hint warning of low voltage, when the input voltage is lower than the input voltage
as set up. It will protect the battery from being discharged when using battery pack as power supply.
Max. input power setting: 100~1100W
If the input power is smaller than the max working power(1000W), please set up the parameter as the actual output power as max input,
to protect the input power and enable the charger to work stable.
USB Charge
When this item is set to "Off", and TYPE-C is the upgrade port.
When this item is set to "On", TYPE-C acts as a USB charging port and outputs 5V/2A power.
Split screen
There are 3 options of 60 seconds,30 seconds and OFF for automatic split screen setting. You can choose to switch the display of the
main interface from the single-channel parameter interface to Dual channel (split screen) parameter interface.
You can also select "Off" to turn off the automatic split screen function.
BattGo
When the corresponding channel (CH1 output,CH2 output,Power input) connect to a BattGo battery, you could read this and modify
the related parameters of Battgo battery.
Keep trickle
After charging is complete, choose whether to continue trickle charging.
The trickle charge function is enabled to maintain the lithium battery voltage in a fully charged state, this function is enabled by default.
Calibration:
The input voltage, output voltage and balance voltage of the charger can be calibrated with this task.
Paralled task
Select this setting, it could output Max Power to one battery. Find a power
splitter or 1/2 power cord, one end connect with the battery, and the other
two ends connect with the battery output port. The battery balance port
could connect with any of the charger's balance port. Connect the charger
with the power supply and power on, and connect your battery as required,
select this setting on the advanced setting menu to set the task parameters.
DC power (CH1)
The charger CH1 is equivalent to a DC power supply when selecting this function,
with output voltage adjustable from 2 to 30V, and current adjustable from 1.0 to 5.0A.
*All product photos, statements and literature are for reference only. For up-to-date information, please visit our official web www.isdt.co
SHENZHEN ISD TECHNOLOGY CO. LTD
ISDT reserves the right of final explanation and revision for the terms. 402K2000000
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