Smartsafe Tech iSmartEV EP260 User manual

iSmartEV EP260 USER Manual
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I
Copyright Information
Copyright © 2021 by SHENZHEN SMARTSAFE TECH CO.,LTD. All rights reserved. No part of this
publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means,
electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of
SMARTSAFE.
Neither SMARTSAFE nor its affiliates shall be liable to the purchaser of this unit or third parties for
damages, losses, costs, or expenses incurred by purchaser or third parties as a result of: Accident,
misuse, or abuse of this unit, or unauthorized modifications, repairs, or alterations to this unit, or failure
to strictly comply with SMARTSAFE operating and maintenance instructions. SMARTSAFE shall not be
liable for any damages or problems arising from the use of any options or any consumable products
other than those designated as Original SMARTSAFE Products or SMARTSAFE Approved Products by
SMARTSAFE.
All information, specifications and illustrations in this manual are based on the latest information
available at the time of printing. SMARTSAFE reserves the right to make changes at any time without
prior written or oral notice.
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on this manual for purposes or for all other questions relating to this manual.

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Table of Contents
1. Product Overview .....................................................................................................................................1
1.1 Product Features ................................................................................................................................... 1
1.2 Main Function and Test Range ............................................................................................................. 1
1.3 System Components ............................................................................................................................. 1
1.4 Working Conditions ................................................................................................................................1
1.5 Environment & Energy Impact ...............................................................................................................1
1.6 Protection & Alarm .................................................................................................................................1
2. Precautions for Safe Use ........................................................................................................................ 2
2.1 Safe Working Period & Production Date ...............................................................................................2
2.2 General Rule ..........................................................................................................................................2
2.3 Common Incorrect Operation ................................................................................................................ 2
2.4 Damage Probably Caused By Incorrect Operation ...............................................................................2
2.5 Emergency Treatment In Exceptional Cases ........................................................................................2
2.6 Precautions In Exceptional Circumstances ...........................................................................................2
2.7 Other Safety Alerts ................................................................................................................................ 2
3. Technical Features ...................................................................................................................................2
4. Operating Instructions ............................................................................................................................ 4
4.1 Panel Description ...................................................................................................................................4
4.2 Main Unit Connection ............................................................................................................................ 4
4.3 Main Unit Operation ...............................................................................................................................5
5. Fault Analysis and Troubleshooting ................................................................................................... 12
6. Transport & Storage .............................................................................................................................. 12
7. Environmental Protection and Others .................................................................................................12
Warranty ...................................................................................................................................................... 13

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1. Product Overview
iSmartEV EP260 is an battery pack charge-discharge equipment developed by Smartsafe. It adopts the
most advanced charging and discharging technology, according to the charging and discharging
characteristics of lithium batteries, has built-in various test and maintenance modes, which are suitable
for the discharge, charging, cycle charging and discharging tests of various lithium batteries on the
market. The equipment adopts an intelligent operating system and supports wireless data transmission,
so that users and managers can easily and scientifically maintain and manage the battery pack, thus
extending the service life of the battery pack.
1.1 Product Features
•Adopting the latest charging and charging test technology, it will not cause interference to the BMS
management system, and is suitable for daily discharge and charging of iron-lithium battery packs.
•Wide voltage design, can be applied to the current lithium-ion battery test of different voltage levels.
•Voltage and temperature monitoring and protection during test can prevent over-charge and over-
discharge.
•Multiple discharge auto-stop conditions make testing mode more intelligent and flexible, and avoid
over-charge and over-discharge.
•Support multiple protection design and alarm settings of voltage, current, temperature abnormal to
protect the battery and the equipment.
•Support functions such as overvoltage, undervoltage, overcurrent, output short circuit, anti-reverse
protection and overheating protection.
•Charging completion condition: The charging procedure can be completed by setting the total charging
time, constant voltage time, charging capacity, and charging current.
•7-inch touch screen, easy to operate.
•Built in memory, supporting automatic storage of operation records.
•Portable design: easy to carry and transport.
1.2 Main Function and Test Range
Mainly used for lithium battery charge and discharge test, suitable for voltage levels of 2~260V.
1.3 System Components
The equipment is composed of main unit, 24CH sampling box and discharge cable. The main unit
includes color display screen, data processing unit, data monitoring unit, auxiliary power unit, power
consuming unit, and panel operation unit.
1.4 Working Conditions
NO CORROSIVE, NO EXPLOSIVE, NO ELECTRICAL BREAKDOWN AIR OR CONDUCTIVE DUST.
1.5 Environment & Energy Impact
The equipment can convert the tested battery energy into heat and use cooling system to blow the heat
out of the unit, so during the discharge test, please pay more attention to heat dissipation and ventilation.
1.6 Protection & Alarm
This equipment has hardware and software protection functions such as reverse connection, overvoltage,
overcurrent, overtemperature, communication error, etc.

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2. Precautions for Safe Use
2.1 Safe Working Period & Production Date
The designed safe working period for this equipment is 5 years, please refer to the factory inspection list
for the production date.
2.2 General Rule
Please follow the user manual to use this equipment.
2.3 Common Incorrect Operation
1）Tools for connecting is not well insulated.
2）Operating without following the user manual.
2.4 Damage Probably Caused By Incorrect Operation
1）Short circuit accident: Tools is not well insulated, or battery pack positive and negative electrodes
are too close.
2）Failure to follow the correct operation method will cause the equipment not working properly.
2.5 Emergency Treatment In Exceptional Cases
Disconnect the equipment power supply and test cables.
2.6 Precautions In Exceptional Circumstances
If the operator uses tools without well insulation or improper operate to cause short circuit, please
separate the cables immediately.
2.7 Other Safety Alerts
Strict compliance with safety operating norms and correct operating procedure.
3. Technical Features
Parameter
Description
Model
iSmartEV EP260
Power input
AC 90~265V
Display
7-inch TFT LCD screen with resolution 800*480
Data communication
CAN RS485
Data dump
u disk
Data storage
16G
Battery box data
acquisition
communication
CAN data bus
Module data acquisition
Harness sampling

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communication
Group voltage accuracy
≤±0.5%FS+0.3V，resolution：0.001V
Cell voltage accuracy
≤±0.1%FS+5mV，resolution：0.001V
Current measurement
accuracy
≤±1%FS+0.2A，resolution：0.1A
Charging voltage range
DC 2~260V
Discharge voltage range
DC 2~260V
Charge current range
0~100A，maximum power 4.4kw
Discharge current
range
0~100A，maximum power 7.2kw
Charge control
Constant current charging + constant voltage charging
Discharge mode
Constant current discharge
Charge and discharge
data acquisition
In-camera active measurement + external can communication data
acquisition
Electric box charging
and discharging
protection
Battery string overcharge and over discharge, battery string temperature
is too high protection
Main unit protection
Over temperature, over current, current runaway trigger shutdown
protection
Shutdown actuator
DC air circuit breaker + release
Reverse connection
protection
Available
Abnormal protection
Power failure of power line and main cable
Over-temperature
protection
100℃Resistance box over temperature 85℃; radiator over temperature
100℃
Alarm prompt
LCD prompt + buzzer
Safety Testing
Breaking down test
AC input-metal shell: 2200Vdc 1min AC input-metal shell
DC input-Output: 2200Vdc 1min DC input-metal shell
Working Environment
Cooling
Forced air cooling
Temperature
Operating temperature range: -5-40 ℃; storage temperature:-20~70℃
Humidity
Relative humidity 0-90% (40±2℃)
Elevation
Rated altitude of 2000 meters
Dimension
445*329*540mm
Weight
25.6kg

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4. Operating Instructions
4.1 Panel Description
4.2 Main Unit Connection
4.2.1 Test Cable Connection
First, insert the DC test cable into the positive and negative interface of the equipment (red for positive
and black for negative), then connect the other end of the DC test cable to both ends of the battery pack
(red for positive and black for negative).
4.2.2 Working Power Supply Connecting
Connect the AC power cord provided with the equipment to the corresponding access interface, pay
attention to the load output of the power outlet (AC 90~265V input) or the load of the distribution box,
and set the maximum charging current according to the size of the AC input load. (See the parameter
table for details) to prevent overcurrent.
4.2.3 Voltage Sampling - Module Sampling
1. Please close the AC circuit breaker when starting
2. Set 24L communication type
3. Set charge and discharge parameters and protection conditions

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4. Close the DC circuit breaker before starting the test.
5. The 485 communication wire is from aviation plug to the IN interface of the 24CH sampling box.
6. Connect cell voltage acquisition wire to the OUT interface of the 24CH sampling box.
7. According to the wire label on the cell voltage acquisition wire, B1 - is connected to the negative
electrode of No. 1 single cell (B1), B1 + is connected to the positive electrode of No. 1 single cell (B1),
B2 + is connected to the positive electrode of No. 2 single cell (B2), and connected in sequence.
4.2.4 Voltage Sampling - CAN
Connect the dedicated CAN communication cable to the communication interface between the
equipment and the battery pack.
Note: Protocol support is required, and corresponding CAN low-voltage communication line is required.
4.3 Main Unit Operation
4.3.1 Welcome Screen

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4.3.2 Main Menu
Click the function module on the main menu to enter the corresponding function operation interface.
4.3.3 Discharge Test
1）The function “Discharge” is a single discharge test mode.

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Parameter Description：
Battery Information
Discharge Parameters
Pack/Module
Number
The serial number of the
battery pack or module.
Current
Set
Discharge test current value.
Nominal
Capacity
The nominal capacity of the
battery pack, according to the
actual input, can be identified
from the rating plate.
Time Set
Discharge test time setting, one of the
shutdown conditions.
Battery Type
Select battery type.
String
End
Voltage
Group end voltage lower limit
protection, one of the shutdown
conditions.
Cell Quantity
Fill in according to the actual
number of strings.
Capacity
Set
Discharge capacity ah, one of the
shutdown conditions.
Cell Voltage
Difference
Differential voltage protection
value, one of the shutdown
conditions.
Cell End
Voltage
Single string lower limit voltage
protection value, one of the shutdown
conditions.
Nominal
String
Voltage
Fill in according to the actual
group terminal voltage.
2）Click to save configuration and enter the test interface. Close the DC switch, tap Start to start the
test.
The current battery status, the test current, the test duration, the current voltage of the battery pack and
the cell information can be viewed on the test interface. The configuration can be modified during the test.
3）In the process of threshold protection test, if any shutdown threshold is reached, it will stop
automatically. Type of shutdown conditions: discharge time, lower limit of group end, pre-discharge
capacity (in case of opening discharge capacity limitation) and cell lower limit (in case of opening

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discharge capacity limitation).
4）In addition to the above shutdown threshold protection, there are also multiple hardware protections:
abnormal voltage of discharge module, abnormal current of discharge module, abnormal temperature of
discharge module, short circuit protection and fan failure.
4.3.4 Charge Test
1）The function “Ccharge” is a single charge test mode.
Parameter Description：
Battery Information
Charge Parameters
Pack/Module
Number
The serial number of the
battery pack or module.
CC
Charge
Voltage
The target value of the charging
voltage.
Nominal
Capacity
The nominal capacity of the
battery pack, according to the
actual input, can be identified
from the rating plate.
Protection
Voltage
The upper limit voltage protection
value of the group end, one of the
shutdown conditions.
Battery Type
Select battery type.
CC
Charge
Current
Charging test current value.
Cell Quantity
Fill in according to the actual
number of strings.
Current
threshold
When the voltage reaches, the current
is less than the value, then it stops,
and one of the shutdown conditions.
Cell Voltage
Difference
Differential voltage protection
value, one of the shutdown
conditions.
CC+CV
Charge
time
Charging test time, one of the
shutdown conditions.
Cell High
Voltage
Single core voltage upper limit
protection value, one of the shutdown
conditions.

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2）Click to save configuration and enter the test interface. Close the DC switch, tap Start to start the
test.
The current battery status, the test current, the test duration, the current voltage of the battery pack and
the cell information can be viewed on the test interface. The configuration can be modified during the test.
3）In the process of threshold protection test, if any shutdown threshold is reached, it will stop
automatically. Type of shutdown conditions: charge time, current threshold, upper limit of cell voltage
and group voltage.
4）In addition to the above shutdown threshold protection, there are also multiple hardware protections:
charging module undervoltage protection, charging module overvoltage protection, charging module
overtemperature protection, charging module overcurrent protection, short circuit protection and fan
failure, etc.

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4.3.5 Data Management
Insert a U-disk into the USB port on the panel, select the data to be saved, and tap USB button to
transfer the corresponding discharge data and charge data to the U-disk.
4.3.6 System Setting
Tap Settings on the main interface to enter the following interface, and slide the screen to view more
settings.

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System Parameter Setting
Date & Time
Used to set the system date and time.
Wi-Fi Connection
Used to set the Wi-Fi connection of the equipment.
Language Setting
Used to change the system language.
Restore Configuration
Used to initialize settings.
Cell Voltage Acquisition Method Setting
24 Channels with
Temperature
Used to select/cancel 24 channels with temperature.
Set kb
Used to set kb value.
Battery Type
Used to select battery type.
Cell No. Sequence
Positive or reverse order.
String Voltage Box
Used to turn on / off string voltage box acquisition at group end.
Sampling Frequency
Used to set data acquisition storage interval.
Log management
Log Export by USB
Used to export log files.
Log Send by Network
Used to send log files.
Output Serial Port Log
Used to select / cancel output serial port log.
Clear Log
Used to clear logs.
Upgrade management
Update by USB
Copy the upgrade package to the U disk. After connecting the

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equipment, select the corresponding upgrade package to upgrade.
Update by Network
Used to upgrade online after the equipment is connected to Wi-Fi.
Device Information
Device ID
Used to view the device id.
5. Fault Analysis and Troubleshooting
No.
Fault Situation
Troubleshooting Methods
1
Communication
failure!
Check BMS communication can connect.
2
Boot discharge
prompt cable
connection error
1) The positive and negative poles of the discharge cable are
reversed.
2) The DC open circuit breaker is not closed.
3) Test input voltage is too high.
3
Abnormal current
monitoring
Restart the machine.
4
Main unit
temperature is too
high
Confirm the placement of the equipment, pay attention to
ventilation, heat flow.
5
Internal memory
insufficient
Periodically transfer data files to USB disk and delete some files to
release the space
6
USB Error
Check the free space in USB disk
6. Transport & Storage
1）This equipment is equipped with special equipment box for packing, which is has anti-vibration and
reliable for transportation.
2）Storage conditions: dry storage room, temperature: -20~70℃, Humidity: 95%Within.
7. Environmental Protection and Others
1）The outer carton of this equipment is made of recyclable material.
2）The main unit and other components are non pollution sources.

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Warranty
THIS WARRANTY IS EXPRESSLY LIMITED TO PERSONS WHO PURCHASE SMARTSAFE
PRODUCTS FOR PURPOSES OF RESALE OR USE IN THE ORDINARY COURSE OF THE BUYER’S
BUSINESS.
SMARTSAFE electronic product is warranted against defects in materials and workmanship for one year
from date of delivery to the user.
This warranty does not cover any part that has been abused, altered, used for a purpose other than for
which it was intended, or used in a manner inconsistent with instructions regarding use. The exclusive
remedy for any automotive meter found to be defective is repair or replacement, and SMARTSAFE shall
not be liable for any consequential or incidental damages.
Final determination of defects shall be made by SMARTSAFE in accordance with procedures
established by SMARTSAFE. No agent, employee, or representative of SMARTSAFE has any authority
to bind SMARTSAFE to any affirmation, representation, or warranty concerning SMARTSAFE
automotive meters, except as stated herein.
Disclaimer
The above warranty is in lieu of any other warranty, expressed or implied, including any warranty of
merchantability or fitness for a particular purpose.
Purchase Order
Replaceable and optional parts can be ordered directly from your SMARTSAFE authorized dealer. Your
order should include the following information:
• Order quantity
• Part number
• Part name
Statement:
SMARTSAFE reserves the rights to make any change to product designs and specifications without
notice. The actual object may differ a little from the descriptions in the manual in physical appearance,
color and configuration. We have tried our best to make the descriptions and illustrations in the manual
as accurate as possible, and defects are inevitable, if you have any question, please contact local dealer
or after-sale service center of SMARTSAFE, SMARTSAFE does not bear any responsibility arising from
misunderstandings.