SmartSafe iSmartEV EB480 User manual

iSmartEV EB480 User Manualwww.newsmartsafe.com
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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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is a registered trademark of SHENZHEN SMARTSAFE TECH CO.,LTD. in China and
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on this manual for purposes or for all other questions relating to this manual.

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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 .................................................................................................................................2
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 ...................................................................................................................................3
4. Operating Instructions ............................................................................................................................ 4
4.1 Panel Description ...................................................................................................................................4
4.2 Interface PIN Definition ..........................................................................................................................4
4.3 Main Unit Connection ............................................................................................................................ 6
4.4 Main Unit Operation ...............................................................................................................................7
4.5 Equalizing Maintenance ...................................................................................................................... 11
4.6 Data Analysis ....................................................................................................................................... 19
4.7 Data Export .......................................................................................................................................... 20
5. Fault Analysis and Troubleshooting ................................................................................................... 21
6. Transport & Storage .............................................................................................................................. 21
7. Environmental Protection and Others .................................................................................................21
Warranty ...................................................................................................................................................... 22

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1. Product Overview
iSmartEV EB480 battery cell balancer is a battery maintenance equipment specially designed for
new energy batteries developed by Smartsafe. It is used to quickly solve the cruising range degradation
caused by the difference in cell capacity due to inconsistent cell voltages. It has the characteristics of
simple operation, stable performance, strong anti harmonic ability and convenient carrying. It can be
applied to power battery production, new energy vehicle enterprise R & D, new energy battery pack
maintenance and other scenarios.
1.1 Product Features
•Adopt the latest equalizing maintenance technology and avoid the interference to BMS (Battery
Management System), iSmartEV EB480 is designed for lithium battery pack daily discharge, charge,
and equalizing maintenance.
•Based on wide voltage range design, iSmartEV EB480 can be applied to lithium battery packs testing
with various voltage levels.
•Equalizing maintenance test mode can activate the lithium battery performance completely.
•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.
•Intelligent equalizing function based on each cell voltage monitoring and equalizing charge.
•Support equalizing maintenance parameter customization.
•Support multiple protection design and alarm settings of voltage, current, temperature abnormal to
protect the battery and the balancer.
•Support functions such as overvoltage, undervoltage, overcurrent, output short circuit, anti-reverse
protection and overheating protection.
•Adopt wave width modulation technology, high efficiency, high power factor, low noise, low
electromagnetic interference.
•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 pack charge & discharge test and equalizing maintenance, suitable for
various voltage levels.
1.3 System Components
The device consists of main unit and equalizing cables. 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 balancer can convert the tested battery energy into heat and use cooling system to blow the heat

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out of the unit, so during the discharge test, please pay more attention to heat dissipation and ventilation.
1.6 Protection & Alarm
This balancer has hardware and software protection functions such as reverse connection, overvoltage,
overcurrent, overtemperature, communication error, etc.
2. Precautions for Safe Use
2.1 Safe Working Period & Production Date
The designed safe working period for this balancer 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 balancer.
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 device not working properly.
2.5 Emergency Treatment In Exceptional Cases
Disconnect the device 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.

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3. Technical Features
Function Parameter
Model iSmartEV EB480
Power input AC 90~265V
Charging & discharging
voltage range 1.8~4.5V
Voltage measurement
accuracy ±0.1%FS±2mV (Maximum range 5V)
Charging & discharging
current range 0.1~ 5A
Current measurement
accuracy ±1%FS±0.05A (Maximum range 5A)
Battery Temperature
Detection accuracy ±2℃( -25℃--85 ℃) Charge and discharge temperature range is settable
Max channel quantity in
single unit 4 string x Max 12 cells
Charging & discharging
power 1200W Max
Equalization Test Port 26Pin*2
Temp Test Port 24Pin
Display 7-inch TFT LCD screen, resolution 800*480
PC Data communication TCP/IP ，USB-Device
Wireless communication Wi-Fi and BT (Wi-Fi antenna external)
Data transfer U Disk (USB-Host)
Charging mode Constant current charging + constant voltage charging
Discharge mode Constant current (constant power, constant resistance discharge selectable)
Protections Overcurrent and overvoltage protection for input and output
Safety Testing
Breaking down test AC input-metal shell: 2200Vdc 1min
DC input-metal shell: 2200Vdc 1min
Working Environment
Cooling Forced air cooling
Temperature Operating temperature: -5~40℃; Storage temperature: -20~70℃
Humidity Relative humidity 0-90% (40±2℃)
Elevation Rated altitude of 2000 meters
Size and Weight
Dimension 640*276*490mm
Weight 28kg

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4. Operating Instructions
4.1 Panel Description
No. Name Description
1 Handle Easy to move the device
2 Display 7-inch touch screen
3 Communication Port RS485 extend port, reserved for functional expansion,
need to be used with dedicated communication lines
4 USB Port for data download and device system upgrades
5 AC input & Main Switch Single Phase 90~265V AC input, max input 10A
6 1# Equalization Unit Port 26pin, equalization harness socket, max 12cells*2/unit
7 2# Equalization Unit Port 26pin, equalization harness socket, max 12cells*2/unit
8 Temp Acquisition Port 24pin, temperature acquisition port
9 Antenna stick to enhance the received signal
4.2 Interface PIN Definition
1) 26PIN：Equalization port #1

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Pin_SN Description Line Marker Pin_SN Definition Line Marker
1 Cell #1 - B1- 14 Cell #13 - B13-
2 Cell #1 + B1+ 15 Cell #13 + B13+
3 Cell #2 + B2+ 16 Cell #14 + B14+
4 Cell #3 + B3+ 17 Cell #15 + B15+
5 Cell #4 + B4+ 18 Cell #16 + B16+
6 Cell #5# + B5+ 19 Cell #17 + B17+
7 Cell #6 + B6+ 20 Cell #18 + B18+
8 Cell #7 + B7+ 21 Cell #19 + B19+
9 Cell #8 + B8+ 22 Cell #20 + B20+
10 Cell #9 + B9+ 23 Cell #21 + B21+
11 Cell #10 + B10+ 24 Cell #22 + B22+
12 Cell #11 + B11+ 25 Cell #23 + B23+
13 Cell #12 + B12+ 26 Cell #24 + B24+
2) 26PIN：Equalization port #2
Pin_SN Definition Line Marker Pin_SN Definition Line Marker
1 Cell #1 - B1- 14 Cell #13 - B13-
2 Cell #1 + B1+ 15 Cell #13 + B13+
3 Cell #2 + B2+ 16 Cell #14 + B14+
4 Cell #3 + B3+ 17 Cell #15 + B15+
5 Cell #4 + B4+ 18 Cell #16 + B16+
6 Cell #5 + B5+ 19 Cell #17 + B17+

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7 Cell #6 + B6+ 20 Cell #18 + B18+
8 Cell #7 + B7+ 21 Cell #19 + B19+
9 Cell #8 + B8+ 22 Cell #20 + B20+
10 Cell #9 + B9+ 23 Cell #21 + B21+
11 Cell #10 + B10+ 24 Cell #22 + B22+
12 Cell #11 + B11+ 25 Cell #23 + B23+
13 Cell #12 + B12+ 26 Cell #24 + B24+
4.3 Main Unit Connection
Firstly connect the equalization bus-harness to the equalizing test socket of the balancer, then plug the
equalization bus-harness and the equalization subharness, and finally clamp the clamps of the
equalization subharness on the battery module under test in turn.
4.3.1 Equalization subharness and Battery Pack Connection
According to the wire label on the equalization subharness, 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

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connected to the positive electrode of No. 2 single cell (B2), and connected in sequence.
Note: the nearest to the negative terminal of the battery module is the No. 1 single cell.
4.3.2 Working Power Supply Connecting
Connect the power supply cord with the main unit AC socket, and please ensure AC power supply can
support Single phase 90~265V AC Max 10Amp output.
4.4 Main Unit Operation
4.4.1 Welcome Screen
4.4.2 Main Menu
Click the function module on the main menu to enter the corresponding function operation interface.

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4.4.3 General Settings
"System settings" mainly includes Language settings,Wi-Fi connection,Device upgrade,Debug and
Concerning. Click the button in the upper right corner of the main interface, and select the options to
be set or viewed in the expanded list.
Language settings：Used to change the system language.

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Wi-Fi connection：Used for Wi-Fi connection setting of the balancer.
Device upgrade：Can use U disk for local upgrade, or choose upgrade online.

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Debug：Only for development and maintenance.
Concerning：Used to view information such as software and hardware version number, device number
and serial number.

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4.5 Equalizing Maintenance
Tap Balanced in the main interface to enter the following interface.
4.5.1 Equalizing Maintenance Setting
Tap the button in the upper right corner and select the option to be set in the expanded list.
1）Color Setting
Used to set the color display of the balancer in various working status.

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2）Temperature Protection
Used to set the temperature protection high and low limit for different type of lithium battery packs and
the balancer internal cooler. If the battery temperature exceeds the set range during the use of the
equipment, it will stop working and pop up an alarm message.
3）Battery Number Setting
Used to adjust the number of cells in the battery pack.

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4）Saving Interval
Used to set the data saving interval time of discharge, charge and equalizing.
4.5.2 Parameters
The balancer can maintain at most 4 groups of batteries, each with 12 batteries (subject to the number of
connected batteries).
When power on, if the battery pack is connected correctly, the current status of the battery pack will be
displayed after the battery pack number. If the battery pack is not connected or there is a connection
failure, the display status is: unconnected.

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Parameters Parameter Description Parameters Parameter Description
Battery pack
number and
status
Display the battery pack
number and the status of the
battery pack.
Work Mode Charge, discharge or equalizing
Work Time Work time since test started. Battery Types The type of lithium battery pack.
Cell Qty Cell quantity in a battery
pack.
Voltage
Threshold
The end voltage to terminate the
testing.
Max Voltage The max voltage in all cells. Min Voltage The min voltage in all cells.
Temperature Max temperature measured in
battery pack. Operation Start/stop discharge, charge or equalizing.
4.5.3 Battery Pack Settings
On the "Equalizing Maintenance" interface, tap Settings button below the battery pack to enter the
corresponding setting interface for the battery pack.

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1）Module No.: Enter the battery pack number or the corresponding information for testing to name it.
2）Work Mode: Click the drop-down menu to select the corresponding work mode (charge, discharge or
equalizing).
3）Battery Type: Click the drop-down menu to select the appropriate lithium battery pack.

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4）Cell Qty: Click the drop-down menu to select the corresponding cell number of the test battery pack.
5）Test the Battery: Click Select All to select all batteries; deselect all, then click the battery that
requiring to be tested.

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6）Voltage Threshold: Input the end voltage to terminate the testing.
7）Operating Current: Input the max discharge or charge current.

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8）click to save the adjustment, and click back to the testing interface.
4.5.4 Start the Test
1）On the "Equalizing Maintenance" interface, tap Start button to start the test.