UPOWER Ecoline UE-24Li2900WH User manual

Rechargeable Lithium-Ion Battery
UE-24Li2900WH Product Manual
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Information Version: 2.0
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This manual introduces UE-24Li2900WH from Upower Ecoline. Please read this manual before you to install the battery and follow the instruction
carefully during the installation process. Any confusion, please contact Master Battery immediately for advice and clarification.
Content
1. Safety Precautions ................................................... 03
1.1 Before Connecting ................................................... 04
1.2 In Using ................................................... 04
2. Introduction
2.1 Features ................................................... 05
2.2 Specifications ................................................... 06
2.3 Equipment Interface Instruction ................................................... 07
UE-24Li2900WH Product Front Interface ................................................... 07
LED Indicators Instructions ................................................... 07
Definition of RJ45 Port Pin ................................................... 09
Definition of RJ11 Port Pin ................................................... 09
3. Safe Handling of Lithium Batteries Guide
3.1 Schematic Diagram of Solution ................................................... 11
3.2 Explanation of Symbol ................................................... 11
3.3 Tools ................................................... 12
3.4 Safety Gear ................................................... 12
4. Installation
4.1 Package Items ................................................... 13
Unpacking and check the Packing List ................................................... 13
4.2 Installation Location ................................................... 14
Installation ................................................... 15
A. Put battery modules into the cabinet and connect the cables ................................................... 15
B. Power On ................................................... 18
5. Trouble Shooting Steps
5.1 Problem determination ................................................... 20
5.2 Preliminary determination steps ................................................... 20
5.3 The battery cannot be charged or discharged ................................................... 20
6. Emergency Situations ................................................... 21
7. Important Notice ................................................... 21
8. Warranty ................................................... 21
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1. Safety Precautions
Reminding
1) It is very important and necessary to read the user manual carefully (in the accessories) before installing or using battery.
Failure to do so or to follow any of the instructions or warnings in this document may result in electrical shock, serious injury,
or death, or can damage battery, potentially rendering it inoperable.
2) If the battery is stored for long time, it is required to charge it every six months, and the SOC should be no less than 90%;
3) Battery needs to be recharged within 12 hours, after fully discharged;
4) Do not expose the battery module and cables in an outdoor environment;
5) All the battery terminals must be disconnected for maintenance;
6) Please contact the supplier within 24 hours if there is something abnormal.
7) Do not use cleaning solvents to clean battery;
8) Do not expose battery to flammable or harsh chemicals or vapors;
9) Do not paint any part of battery, include any internal or external components;
10) Do not connect battery with PV solar wiring directly;
11) Any foreign object is prohibited to insert into any part of battery.
12) The warranty claims are excluded for direct or indirect damage due to items above.
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Warning
1.1 Before Connecting
1) After unpacking, please check product and packing list first, if product is damaged or lack of parts, please contact with the
local retailer;
2) Before installation, be sure to cut off the grid power and make sure the battery is in the switch-off mode;
3) Wiring must be correct, do not mistake the positive and negative cables, and ensure no short circuit with the external device;
4) It is prohibited to connect the battery and AC power directly;
5) The embedded BMS in the battery is designed for 24VDC system, please DO NOT connect battery in series;
6) Battery system must be well grounding and the resistance must be less than 100mΩ;
7) Please ensured the electrical parameters of battery system are compatible to related equipment;
8) Keep the battery away from water and fire.
1.2 In Using
1) If the battery system needs to be moved or repaired, the power must be cut off and the battery is completely shut down;
2) It is prohibited to connect the battery with different type of battery.
3) It is prohibited to put the batteries working with faulty or incompatible inverter;
4) It is prohibited to disassemble the battery (QC tab removed or damaged);
5) In case of fire, only dry powder fire extinguisher can be used, liquid fire extinguishers are prohibited;
6) Please do not open, repair or disassemble the battery except staffs from Master Battery or authorized by Master Battery.
We do not undertake any consequences or related responsibility which because of violation of safety operation or violating
of design, production and equipment safety standards.
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2. Introduction
UE-24Li2900WH lithium iron phosphate battery is one of new energy storage products developed and produced by Master Battery, it can be
used to support reliable power for various types of equipment and systems. UE-24Li2900WH is especially suitable for application scene of high
power, limited installation space, restricted load-bearing and long cycle life.
UE-24Li2900WH has built-in BMS battery management system, which can manage and monitor cells information including voltage, current
and temperature, further provide protection base on above information. The BMS can also balance cells during charging to extend cycle life.
Multiple batteries can connect in parallel to expand capacity and power in parallel for larger capacity and longer power supporting duration
requirements.
2.1 Features
• The whole module is non-toxic, non-polluting and environmentally friendly;
• Cathode material is made from LiFePO4with safety performance and long cycle life;
• Battery management system (BMS) has protection functions including over-discharge, over-charge, over-current and high / low
temperature;
• The system can automatically manage charge and discharge state and balance current and voltage of each cell;
• Flexible configuration, multiple battery modules can be in parallel for expanding capacity and power;
• Adopted self-cooling mode rapidly reduced system entire noise;
The module has less self-discharge, up to 6 months without charging it on shelf, no memory effect, excellent performance of shallow
charge and discharge;
• Working temperature range is from -10°C to 55°C, (Charging 0 ~ 55°C; discharging -10 ~ 55°C) with excellent discharge
performance and cycle life;
• Small size and light weight, standard of 19-inch embedded designed module is comfortable for installation and maintenance.
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2.2 Specifications
Basic Parameters UE-24Li2900WH
25.6
2840
2550
442*420*120
26.5
23.2 ~ 28.5
28.2 ~ 28.5
55
85
100A @ 15 sec
RS485 / CAN
20 pcs
0°C ~ 55°C Charge
-10°C ~ 55°C Discharge
-20°C ~ 45°C
IP20
5% ~ 95% RH
< 2000 m
IEC62619 / CE/ RoHS / UN38.3
10+ Years (25°C / 77°F)
Nominal Voltage (V)
Nominal Capacity (Wh)
Usable Capacity (Wh)
Dimension (mm)
Weight (Kg)
Discharge Voltage (V)
Charge Voltage (V)
Recommend Charge / Discharge Current (A)
Maximum Charge / Discharge Current (A)
Peak Charge / Discharge Current (A)
Communication
Configuration (Maximum in 1 Battery Group)
Working Temperature
Shelf Temperature
Ingress Protection
Humidity
Altitude
Certification
Design life
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2.3 Equipment Interface Instruction
This section details the front panel of the interface functions.
UE-24Li2900WH Product Front Interface
Power / SW Switch
Power Switch:
ON: the battery standby, no output.
OFF: turn off the battery completely.
SW Switch: Press 2s to turn on or turn off battery.
SOC
SOC light: 4 green LED to show the battery’s current capacity.
Alarm
Alarm light: YELLOW LED to show the battery has alarm. Combine with SOC LEDs to show which kind of alarm in detail.
Please check below table `LED Indicators Instructions´ for the detailed definition.
Protection
Protection light: RED LED to show the battery is under BMS protection. Combine with SOC LEDs to show which kind of protection in detail.
Please check below table `LED Indicators Instructions´ for the detailed definition.
LED Status Indicators
LED Indicators Instructions
It`s important to check the detailed alarm / protection definition follow the below table for trouble-shooting and maintenance service.
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Start
Power Terminal - L0/L1/RS485 Console ADD Grounding PointPower Terminal +
Protection Alarm SOC Power Switch

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Condition Protect ALM 100 ~
76%
75 ~
51%
50 ~
26%
25 ~
0% Description
Turn Off
Power Off
Turn On
Idle
Charge
Float Charge
Discharge
Soft Start
Alarm
Protection
All LED lighting until battery is Off.
Flash once.
Current ≤ ± 0.1A; Only current SOC status LED slowly flash.
Only current SOC status LED constant lighting on.
SOC ≥ 99%, 0.1A ≤ Current ≤ 0.5A; Highest SOC status LED
constant lighting on, rest SOC LEDs flash per sec.
Residual SOC LEDs flash per sec.
All SOC LEDs constant lighting on, pre-charge circuit is working.
Alarm: Over Voltage, Low Voltage, Cell High / Low Temperature,
MOS high temperature, high current.
Charge MOS OFF.
Possible reason: charging over current 1/2; Over Voltage.
Discharge MOS OFF.
Possible reason: discharging over current 1/2; Low Voltage;
Short circuit; Reverse connected.
Charge and discharge MOS all OFF.
Possible reason: Over / Low Temperature;
MOS Over Temperature; i2c error.
Internal communication error,
Address assignment error.
Critical Failure: MOSFAIL; FUSE broken.
_ _ ____
100-76% 75-51%
50-26% 25-0%
_ _
_
_
Low SOC (SOC ≤ 10% or single cell voltage ≤ 3V).
Show SOC
1
: flash 1.5s Off / 0.5s On / / : flash 1s Off / 1s On / / : constant lighting
ADD Switch
ADD Switch: 4 ADD switches, Dip1 to definite different baud rate (“0” is 115200, “1” is 9600).
“0”and “1”, refer to picture right. “0XXX” setup the baud rate 115200, and “1XXX” setup the baud rate 9600.
The settings will be active only after restart the battery.
Using RS485: all batteries need to set the ADD switch. And should be the same.
Using CAN: the ADD switch has no influence on CAN baud rate.
0
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_
_

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Console
Console Communication Terminal: (RJ11 port) for professional engineer to debug or service.
L0/1/RS485
Link Port 0/1 or RS485 Communication Terminal: (RJ45 port) follow Upower Ecoline Low voltage RS485 protocol for UE-24Li2900WH,
for communication between multiple parallel batteries and between master battery to host equipment.
CAN
CAN Communication Terminal: (RJ45 port) follow Upower Ecoline Low voltage protocol CAN, for communication between master battery
and host equipment.
Definition of RJ45 Port Pin
Definition of RJ11 Port Pin
RJ45 Plug
RJ45 Port
No. RS485 Pin
1
2
3
4
5
6
7
8
CAN Pin
--
--
--
--
--
--
RS485A
RS485B
GND
CAN H
CAN L
No. RS232 Pin
1
2
3
4
GND
RXD
TXD
GND
RJ11 Plug
RJ11 Port
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Power Terminals + / -
Power cable terminals: there are two pair of terminals with same function, one connects to equipment,
the other one paralleling to other battery module for capacity expanding. For each single module, each
terminal can achieve charging and discharging function.
For power cables it must keep pressing this Lock Button during pulling out the power plug.
BMS function:
Protection and Alarm
Charge / Discharge Cut-off
Charge Over Voltage
Discharge Under Voltage
Charge / Discharge Over Current
High / Low Temperature
Short Circuit
Management and Monitor
Cells Balance
Intelligent Charge Model
Capacity Retention Calculate
Administrator Monitor
Operation Record
Soft Start
Hot Swap
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3. Safe Handling of Lithium Batteries Guide
3.1 Schematic Diagram of Solution
3.2 Explanation of Symbol
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Wire cutter Crimping Modular Plier Screw Driver
Insulated gloves Safety goggles Safety shoes
3.3 Tools
The following tools are required to install the battery pack
NOTE
Use properly insulated tools to prevent accidental electric shock or short circuits.
If insulated tools are not available, cover the entire exposed metal surfaces of the available tools, except their tips, with electrical tape.
3.4 Safety Gear
It is recommended to wear the following safety gear when dealing with the battery pack.
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4. Installation
4.1 Package Items
Unpacking and check the Packing List
1) For battery module package:
Two power cables and one communication cable for each battery package:
Grounding cable:
Grounding cables use 10AWG yellow-green cables.
UE-24Li2900WH modules’ grounding is based on metal directly touch between the module’s surface (SGCC)
and rack’s surface. If uses normal rack, may need to remove the paint at the corresponding place.
Or install a grounding cable to the grounding point of the modules.
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180
180
210
1000

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2) For battery system connects to inverter:
Two long power cables (current capacity 120A) and one communication cable for each energy storage system:
NOTE
These three long cables are NOT in battery package, they are in another extra small cable box. If there is anything missed, please contact
dealer.
4.2 Installation Location
Make sure that the installation location meets the following conditions:
• The area is completely waterproof.
• The floor is flat and level.
• There are no flammable or explosive materials.
• The ambient temperature is within the range from 0°C to 50°C.
• The temperature and humidity are maintained at a constant level.
• There is minimal dust and dirt in the area.
CAUTION
If the ambient temperature is out of the operating range, the battery pack stops operating to protect itself. The optimal temperature range for
the battery pack to operate is 0°C to 50°C. Frequent exposure to harsh temperatures may deteriorate the performance and life of the battery
pack.
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UE-24Li2900WH
2000
2000
3500

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Installation
A. Put battery modules into cabinet and connect the cables:
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RS485 communication:

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(1) Put the battery into the cabinet;
(2) Drive the 4 pcs screws;
(3) Connect the cables between battery modules. If use
(4) Connect the cables to inverter
The power cables’ current capacity is 120 A (peak). If the battery string’s current over this limit, must configure 2 pairs of external
power cables to reach 240 A.
If nominal current of battery system is higher than 100 A, it is suggested to use 2 pairs of cables.
(5) There shall be a manual disconnecting device (breaker, etc.) between battery system and inverter.
CAN communication:

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B. Power On
Double check all the power cable and communication cable, check the ADD switch.
(1) Switch the breaker between battery system and inverter.
(2) Switch power on
Switch on all the battery modules:
(3) The one connects communication cable to inverter is the Master Battery Module, others are slaves (1 master battery configure with
maximum 19 slave batteries).
(4) Press the Start Button (SW) of master battery to power on, all the battery LED light will be on after master battery starts.
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If all the battery LED lights on, and then off, which means the battery system is good and working.

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5. Trouble Shooting Steps
Please always check the ‘LED Indicators Instructions’ table for the detailed faulty definition before any trouble-shooting steps.
5.1 Problem determination based on:
1) Whether the battery can be turned on or not;
2) If battery is turned on, check the red and yellow light is off, flashing or lighting;
3) If the red light is off, check whether the battery can be charged/discharged or not.
5.2 Preliminary determination steps:
1) Battery cannot turn on, switch on the lights are all no lighting or flashing.
If the battery external switch is ON, and the external power supply voltage is 26 V or more, the battery still unable to turn on, please contact
distributor.
2) The battery can be turned on, but red light is lighting, and cannot charge or discharge. If the red light is lighting, that means system is
abnormal, please check values as following:
a) Temperature: Above 55°C or under -10°C, the battery could not work.
Solution: To move battery to the normal operating temperature range between -10°C and 55°C.
b) Current: If current is >100 A, battery protection will turn on.
Solution: Check whether current is too large or not, if it is, to change the settings on power supply side.
c) High Voltage: If charging voltage above 28.5 V, battery protection will turn on.
Solution: Check whether voltage is too high or not, if it is, to change the settings on power supply side.
d) Low Voltage: When the battery discharges to 23.2 V or less, battery protection will turn on.
Solution: Charge the battery for some time, the red light turns off
Excluding the four points above, if the faulty is still cannot be located, turn off power switch of the battery and repair.
5.3 The battery cannot be charged or discharged:
1) Cannot be charged:
Disconnect the power cables, measure voltage on power side, if the voltage is 23.2~28.5V, restart the battery, connect the power cable and
try again, if still not work, turn off battery and contact distributor.
2) Unable to discharge:
Disconnect the power cables and measure voltage on battery side, if it is <23.2V, please charge the battery; if voltage is above 25V and still
cannot discharge, turn off battery and contact distributor.
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