POWERTECH PT-ESS-W5120 Home Energy Storage LFP Battery User Manual
- May 15, 2024
- POWERTECH
Table of Contents
- PT-ESS-W5120 Home Energy Storage LFP Battery
- Precautions
- Product Introduction
- 1| #2| #3| #4
- Unpack the Battery
- Battery Installation
- Cable Connection
- Activate the Product
- Inspection, Cleaning and Maintenance
- Troubleshooting
- Inverter Communication
- Battery recovery
- Transportation Requirements
- References
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
User Manual
Home Energy Storage LFP Battery
PT-ESS-W5120
PT-ESS-W10240
PT-ESS-W5120 Home Energy Storage LFP Battery
Read and follow these instructions!
The following precautions are intended to ensure your safety and prevent
property damage.
Before installing this product, be sure to read all safety instructions in
this document for proper installation.
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Failure to comply with the instructions with this symbol may result in a
serious accident, causing death or a severe injury.
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Failure to comply with the instructions with this symbol may result in a
serious accident, causing a severe injury.
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Failure to comply with the instructions with this symbol may result in minor
or moderate injury.
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Provides information considered important but not hazard-related. The
information relates to property damage.
| Read instruction before use
| Risk of electric shock
| Operate as specified by the manual
| Do not reverse connect the positive and negative port
| Do not place at the children or pet touchable area
This product is designed to an integrated system, which must be performed by a qualified person trained in electrical engineering and familiar with the characteristics and safety requirements of lithium batteries. Do not use this product if you are unsure if you possess the necessary skills to complete this integration.
Precautions
1.1 General Safety Precautions
The product provides a safe source of electrical energy when operated as
intended and as designed. Potentially hazardous circumstances such as
excessive heat or electrolyte mist may occur under improper operating
conditions, damage, misuse and/or abuse. The following safety precautions and
the warning messages described in this part must be observed.
If any of the following precautions are not fully understood, or if you have
any questions, contact us for guidance.
Risks of explosion
- Do not subject the battery to strong impacts.
- Do not crush or puncture the battery.
- Do not crush or puncture the battery.
Risks of fire
- Do not expose the battery temperatures in excess of 60℃.
- Do not place the battery near a heat source such as a fireplace.
- Do not expose the battery to direct sunlight.
- Do not allow the battery connectors to touch conductive objects such as wires.
Risks of electric shock
- Do not disassemble the battery.
- Do not touch the battery with wet hands.
- Do not expose the battery to moisture or liquids.
- Keep the battery away from children and animals.
Risks of damage to the battery
- Do not allow the battery to encounter liquids.
- Do not subject the battery to high pressures.
1.2 Installation Precautions
Please be aware that a battery presents a risk of electrical shock including
high short-circuit current. Follow all safety precautions while operating the
batteries.
- Remove watches, rings, and other metallic accessories.
- Use tools with insulated handles in order to avoid inadvertent short circuits.
- Wear rubber gloves and safety boots.
- Do not put tools or any metal parts on the top of the batteries.
- Disconnect charging source and load before connecting or disconnecting terminals.
- When moving batteries and wear all appropriate safety clothing and equipment.
- Do not open or mutilate the batteries.
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Verify polarity at all connections before energizing the system. Reverse
polarity at the battery terminals will void the Warranty and destroy the
batteries. Do not short circuit the batteries.
Do not combine Lithium Batteries with other brands or chemistries; Do not mix
Lithium Batteries from different installations, clients, or job sites.
Do not disassemble or modify the battery. If the battery housing is damaged,
do not touch exposed contents.
The embedded BMS in the battery is designed for 48VDC system, please DO NOT
connect battery in series.
If the battery is stored for long time, it is required to charge every six
months and the SOC should be no less than 90%.
Product Introduction
51.2 V series lithium iron phosphate battery system has been designed to provide power backup for remote or outside telecom plants like Access Terminals, Base Transceiver Stations, and Base Station Controllers. This system has the characteristics of high system integration, well reliability, long service life, and wide operating temperature range.
2.1. Front Panel Function Introduction
In order to operate the product correctly, please carefully view the function
of the front panel of the battery.
Item | Name | Definition |
---|---|---|
1 | Power Switch | ON/OFF, must be in the“ON”state when battery use |
2 | Positive Terminal | Battery output positive or parallel positive line |
3 | Negative Terminal | Battery output negative or parallel negative line |
4 | Ground terminal | Connect the ground cable |
5 | USB | Communication port, battery connection to host computer |
6 | Dry Contact | To connect optional external alarm |
7 | ADDR | DIP switch for battery address setting |
8 | RS485 | Inverter communication port supports RS485 communication |
9 | CAN | Inverter communication port supports CAN communication |
10 | RS485-Parallel1 | Battery to battery RS485 parallel communication ports |
11 | RS485-Parallel2 | Battery to battery RS485 parallel communication ports |
2.2 Product Specifications
Table 2-1: Product Specifications
| PT-ESS-W5120| PT-ESS-W10240| PT-ESS-W14400
---|---|---|---
BATTERY MODULE SPECIFICATION
Nominal Voltage (Vdc)| 51.2V| 51.2V| 51.2V
Nominal Capacity (Ah)| 100Ah| 200Ah| 280Ah
Total Energy (Wh)| 5120| 10240| 14400
Max. Charge and Discharge Current (A)| 100| 150| 200
Recommend Charge and Discharge Current (A)| 50| 80| 100
Operating Voltage Range (Vdc)| 43.2-57.6
Recommend Depth of Discharge| 90%
Discharge Cut-off Voltage (V)| 40
Parallel| Up to 16 connected in parallel
Cycle Life| ≥6000 cycles at 70% EOL, 0.2C, 25°C
Warranty| 5 years (designed life 15 years)
COMMUNICATION
Display| SOC status indicator
Communication| RS485 between modules in Parallel, CAN bus/RS485 to
inverter,USB to PC Monitoring
STANDARD COMPLIANCE
Safety (Cell level)| UL1642 / IEC62619 / CE / ROHS / MSDS /UN38.3
Safety (Module level)| IEC61000 / CE / ROHS / MSDS /UN38.3
MECHANICAL SPECIFICATIONS
Dimensions (W x H x D) (mm)| 480660150| 480660240| 490830240
Weight (kgs)| 50| 93| 120
Mounting| Wall mounted| Floor Standing
Operating Temperature(4) Charge/Discharge (°C)| -10 to +50
Storage Temperature (6 months between recharge) (°C)| -10 to +45
Cooling Method| Natural convection
Noise (at 1m distance) (dBA)| <25
2.3 DIP switch definition and description
DIP switch position (host communication protocol and baud rate selection)
1| #2| #3| #4
Baud rate selection
CAN: 500K RS485: 9600
Baud rate description:
When the battery pack is connected in parallel, the host can communicate with
the slave through the RS485-1 & RS485-2 interface. The host summarizes the
information of the entire battery system and communicates with the inverter
through CAN or 485. The
connection mode is divided into the following two cases:
Pack | Codes the switch position |
---|---|
#1 | #2 |
1 (master) | OFF |
2 (slave 1) | ON |
3 (slave 2) | OFF |
4 (slave 3) | ON |
5 (slave 4) | OFF |
6 (slave 5) | ON |
7 (slave 6) | OFF |
8 (slave 7) | ON |
9 (slave 8) | OFF |
10 (slave 9) | ON |
11 (slave 10) | OFF |
12(slave 11) | ON |
13 (slave 12) | OFF |
14 (slave 13) | ON |
15 (slave 14) | OFF |
16 (slave 15) | ON |
Pin Definition
2.4 CAN / RS485-1 Communication lnterface Definition:
CAN port definition
PIN Out Config
PIN 1| NC(empty)
PIN 2| CGND
PIN 3| NC(empty)
PIN 4| CAN-H
PIN 5| CAN-L
PIN 6| NC(empty)
PIN 7| CGND
PIN 8| NC(empty)
A
RS 485 port definition
PIN Out Config
PIN 1| RS485-B1
PIN 2| RS485-A1
PIN 3| RS485-GND
PIN 4| RS485-B1
PIN 5| RS485-B1
PIN 6| RS485-GND
PIN 7| NC(empty)
PIN 8| NC(empty)
B
2.5 LED Status Indicators
State| Normal / alarm / protection| RUN| ALM| The power level indicates the
LED| Explain
---|---|---|---|---|---
| | | | |
Shut down| Dormancy| off| off| off| off| off| off| Alloff
Await the
opportune
moment| normal| Flash, 1| off| According to the e ectricity instruction| stand
by
report an emergency| Flash, 1| Flash, 3| Module low voltage
Charge| normal| Lighting| off| According to the electricity instruction(Power
level indicates maximum LED flash 2| Alarm when over voltage light off
report an emergency| Lighting| Flash, 3
Overcharge protection| Lighting| off| Lighting| Lighting| Lighting| Lighting|
If there is nocharging,
the indicator is in standbystate
Temperature, overcurrent,
and failure protectionprotect| off| Lighting| off| off| off| off| Stop
charging
Discharge| normal| Flash, 3| off| According to the e ectricity instruction|
report an emergency| Flash, 3| Flash, 3
Undervoltage protection| off| off| off| off| off| off| Stop discharge
Temperature, over-current,
short-circuit,Reverse connection and failure protection| off| Lighting| off|
off| off| off| Stop discharge
Lose efficacy| | off| Lighting| off| off| off| off| Stop charging and
discharging
2.6 LED working status indication
The state | Charge | Discharge |
---|---|---|
Capacity indicator light | L4 | L3 |
SOC(%) | 0-25% | off |
25-50% | off | off |
50-75% | off | Flash, 2 |
75-100% | Flash, 2 | Lighting |
Lighting | Lighting |
Unpack the Battery
The battery and the related accessories are packed in the carton box. Use tools to open the packing box. After open the packing box, confirm the product components according to the parts list.
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Violent unpacking is strictly prohibited. If the battery system is found to be
broken, deformed or other abnormal conditions, the user shall immediately stop
using the battery and contact us.
3.1 Parts List
Check the parts during unpacking.
Table 3-1: Parts Lists
No. | Items | Appearance | Usage | Qty. | Remarks |
---|---|---|---|---|---|
1 | Battery | Provide power | 1 | ||
2 | Mounting Frame | Haning the battery on the wall | 1 | ||
3 | RJ45 communication line 2000mm | Communication cable for battery parallel | |||
1 | |||||
4 | 4AWG Red & Black Power line 2000mm | Power cable for battery parallel | 2 | ||
5 | RJ45 communication line 2000mm | Communication cable connect with hybrid | |||
inverter | 1 | ||||
6 | M612 4 bolts | Fix the power cable on battery | 4 | ||
7 | Stainless steel anti-collision bolt M10x80x4 | Fix the mounting frame on | |||
the wall | 4 | ||||
8 | Ground Screw M5X10X1 | Fix the Grounding cable | 1 | ||
9 | User manual | / | / | 1 |
3.2 Recommended Tools and Instruments
NOTE:
Use properly insulated tools to prevent accident tale 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.
3.3 Safety Gear
It is recommended to wear the following safety gear when dealing with the
battery pack.
3.4 Visual Inspection of the Modules
After transporting the modules to the installation location, check for:
- Physical damage to the exterior
- Damaged or protruding screws
Battery Installation
This system must be installed by qualified, trained workers familiar with the required instruments.
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Be sure to use insulated tools (torque wrench, extension, socket, etc.).
All the instruments must be insulated and no metal articles (e.g., watch,
ring) should be present in the installation area.
All power switches must be turned off in advance.
Prepare a CO2 fire extinguisher, a first aid kit, and an AED (automated
external defibrillator) before installation.
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Arc Flash and Shock Hazard
Insulated tools are required for any work on this energized equipment.
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Sharp Edges
Wear gloves and other protective gear to prevent injury.
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Pinch Point
Use caution when working in the enclosure to prevent injury.
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Heavy Object
Can cause muscle strain or back injury.
Use lifting aids and proper lifting techniques when moving trays, batteries
and other heavy objects.
4.1 Installation Location
Make sure that the installation location meets the following conditions:
- The installation site must be suitable for the size and weight of the battery.
- Must be installed on a firm surface to sustain the weight of battery.
- The area is water proof.
- There are no flammable or explosive materials in proximity.
- The ambient temperature is within the range from 0°C to 45°C.
- The temperature and humidity is maintained at a constant level.
- There is minimal dust and dirt in the area.
- Installation must be vertical or tilted backwards by maximum 15° – avoid forward or sideways tilt.
4.2 Wall-mounted
- Choose suitable firm wall with thickness greater than 80mm.
- Use the mounting frame as a template, mark the hole position.
- Drill 4 holes according to the hole position, it is ø10 with depth 60mm.
- Hammer the M8 screws to the above holes, and screw the nut.
Note: Position screws flush to the wall – leave 10 to 20 mm exposed.
Cable Connection
5.1 Single Battery Connection
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Before connect the cable with the inverter, the worker must confirm the output
switch of the inverter has been turn off, to prevent the risk of fire or
electric shock.
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Before connection, make sure to close the battery.
Please follow the instructions to protect the module BMS against damage.
DO NOT deviate from the sequence of steps below.
Exercise extreme caution prevent the terminals from contacting anything except
their intended mounting points.
Terminals and their connected wires have either positive or negative polarity
(Positive: +; Negative-). The polarity of a terminal or a wire connected to
the terminal is on the front of each module. Exercise extreme caution to
prevent the terminals and/or wires with opposite polarity from contacting with
each other.
The maximum voltage of the battery is no more than 60V, which is higher than
the safe voltage of 36V. Therefore, we still recommend that the battery
terminals or other exposed parts should not be directly touched during the
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When tightening the screws, make sure they are at a straight angle from the
battery module terminals to avoid damage to the nuts inside.
Assemble the screws using a Phillips-head within the fastening torque of less
than 8.0 Nm (81.5 kgf-cm).
**| IMPORTANT**
The power terminals, such as “+,” “-,” of the module are covered with the
protecting cover to guard against a short circuit.
You must remove the insulation cover prior to connecting and reattach the
insulation cover immediately after connecting.
Step 1 Wear the protective gloves
Step 2 Install the battery ground cable
Step 3 Install negative and positive power cables for the battery.
- Remove the metal cover on the top of the battery
- Remove the protective cover from the battery power wiring terminal.
- Connect the negative power cable to the battery.
- Connect the positive power cable to the battery.
- lnstall the other end of the battery power cables at a battery route and the corresponding busbar in the power system.
- Reinstall the protective cover on the battery power wiring terminals
- Reinstall the metal cover on the top of the battery.
Step 1 Wear the protective gloves.
Step 2 Install the battery ground cable.
Step 3 Install negative and positive power cables for the battery.
- Remove the protective cover from the battery power wiring terminal.
- Connect the negative power cable to the battery.
- Connect the positive power cable to the battery.
- Install the other end of the battery power cables at a battery route and the corresponding busbar in the power system.
Connect the inverter:
- Remove the protecting cover.
- Take-down positive fixing bolt by the Phillips Screwdriver and connect the positive output cable between the battery positive terminal of the battery and the inverter. After connecting the battery, fastening bolt immediately to avoid dropping.
- Take-down negative fixing bolt by the Phillips Screwdriver and connect the negative output cable between the battery negative terminal of the battery and the inverter. After connecting the battery, fastening bolt immediately to avoid dropping.
- Install the protecting cover.
- Sort the cables and fasten the battery cables to the perforated bracket with cable ties.
- Communication Line Connection
As shown in Figure 5-3, when monitoring the battery by the computer, connect the ‘USB box’ communication line between battery and computer.
Figure 5-3: Communication Cable Connections between Battery and Computer
5.2 Connect Cables of the Multiple Batteries in Parallel
When multiple batteries in parallel, the cable connecting procedures are
follows.
- As shown in Figure 5-4, following the cable connection method of the single battery, connect the positive and negative cables between the Battery 1 and the busbar, Battery 2 and the busbar, and Battery N and the busbar respectively.
Note: To ensure the current balance, please use cables with the same diameter and length for each battery.
As shown in Figure 5-4, connect the communication line (a standard RJ45 network cable) between the adjacent batteries.
Note:
- To ensure the current balance, please use power cables with the same diameter and length for each battery when connect with the busbar.
- For safety and longer life of battery pls always set Max. charge and discharge current of battery on inverter is 50A.
- For single cluster can do Max. 4pcs in parallel
- The CAN Port of the first battery must be connected to the inverter’s battery communication interface, otherwise the inverter cannot communicate with the batteries.
- The CAN Port of the first battery must be connected to the inverter’s battery communication interface, otherwise the inverter cannot communicate with the batteries.
5.3 Visual Inspection of the Connection
After connecting the battery, check for:
- Usage of positive and negative cables.
- Connection of the positive and negative terminals.
- All the bolts are tightened.
- Cables fixation and the appearance.
- The communication cable is connected correctly.
- The installation of the protecting cover.
Activate the Product
6.1 Start the Battery
After installation, wiring, and configuration are completed, you must check
all the connection.
When the connections are correctly, and then press power button to activate
the battery. The green working light on the front panel of the battery
flashes, indicating that the battery system is normal.
Inspection, Cleaning and Maintenance
7.1 General Information
- The battery product is not fully charged. It is recommended that the installation be completed within 3 months after arrival;
- During the maintenance process, do not re-install the battery in the battery product. Otherwise, the performance of the battery will be reduced;
- It is forbidden to dismantle any battery in the battery product, and it is forbidden to dissect the battery;
- After the battery product is over-discharged, it is recommended to charge the battery within 48 hours. The battery product can also be charged in parallel. After the battery product is connected in parallel, the charger only needs to connect the output port of any product battery.
- Never attempt to open or dismantle the battery! The inside of the battery does not contain serviceable parts.
- Disconnect the Li-Ion battery from all loads and charging devices before performing cleaning and maintenance activities
- Place the enclosed protective caps over the terminals before cleaning and maintenance activities to avoid the risk of contacting the terminals.
7.2 Inspection
- Inspect for loose and/or damaged wiring and contacts, cracks, deformations, leakage, or damage of any other kind. If damage to the battery is found, it must be replaced. Do not attempt to charge or use a damaged battery. Do not touch the liquid from a ruptured battery.
- Regularly check the battery’s state of charge. Lithium Iron Phosphate batteries will slowly self-discharge when not in use or whilst in storage.
- Consider replacing the battery with a new one if you note either of the following conditions:
– The battery run time drops below 70% of the original run time.
– The battery charge time increases significantly.
7.3 Cleaning
If necessary, clean the Li-Ion battery with a soft, dry cloth. Never use
liquids, solvents, or abrasives to clean the Li-Ion battery.
7.4 Maintenance
The Li-Ion battery is maintenance free. Charge the battery to approximately >
80% of its capacity at least once every year to preserve the battery’s
capacity.
7.5 Storage
- The battery product should be stored in a dry, cool, and cool environment;
- Generally, the maximum storage period at room temperature is 6 months. When the battery is stored over 6 months, it is recommended to check the battery voltage. If the voltage is higher than 51.2V, it can continue to store the battery. In addition, it is needed to check the voltage at least once a month until the voltage is lower than 51.2V. When the voltage of the battery is lower than 51.2V, it must to be charged according to the charging strategy.
- The charging strategy is as follows: discharge the battery to the cutoff voltage with 0.2C10A current, and then charge with 0.2C10A current for about 3 hours. Keep the SOC of the battery at 40-70% when stored;
- When the battery product is stored, the source of ignition or high temperature should be avoided and it should be kept away from explosive and flammable areas.
Troubleshooting
To determine the status of the battery system, users must use additional battery status monitoring software to examine the protection mode. Refer to the installation manual about using the monitoring software. Once the user knows the protection mode, refer to the following sections for solutions.
Table 8-1: Troubleshooting
Fault Type| Fault Generation condition| Possible Causes|
Troubleshooting
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BMS fault| The cell voltage sampling circuit is faulty.
The cell temperature sampling circuit is faulty| The welding point for cell
voltage sampling is loose or disconnected. The voltage sampling terminal is
disconnected.
The fuse in the voltage sampling circuit is blown.
The cell temperature sensor has failed.| Replace the BMS.
Electrochemical cell fault| The voltage of the cell is low or unbalanced.| Due
to large self- discharge, the cell over discharges to below 2.0V after long
term storage.
The cell is damaged by external factors, and short circuits, pinpricks, or
crushing occur.| Replace the battery.
Overvoltage protection| The cell voltage is greater than 3.65 V in charging
state. The battery voltage is greater than 58.4 V.| The busbar input voltage
exceeds the normal value.
Cells are not consistent. The capacity of some cells deteriorates too fast or
the internal resistance of some cells is too high.| If the battery cannot be
recovered due to protection against abnormality contact local engineers to
rectify the fault.
Under voltage protection| The battery voltage is less than 40V.
The minimum cell voltage is less than 2.5V| The mains power failure has lasted
for a long time.
Cells are not consistent. The capacity of some cells deteriorates too fast or
the internal resistance of some cells is too high.| Same as above.
Charge or dis- charge high temperature protection| The maximum cell
temperature is greater than 60 ◦C| The battery ambient temperature is too
high.
There are abnormal heat sources around| Same as above.
Charge low temperature protection| The minimum cell temperature is less than
0◦C| The battery ambient temperature is too low.| Same as above.
Discharge low temperature protection| The minimum cell temperature is less
than -20 ◦C| The battery ambient temperature is too low.| Same as above.
By checking the above data and sending the data to the service personnel of our company, the service personnel of our company will reply the corresponding solution after receiving the data.
Inverter Communication
NOTE: The ESS Powertech battery’s BMS comes factory preloaded with
multiple inverter brand protocols. The default brands are listed below and
only require connection with communication cable to the applicable interface
port.
(i.e. RS485 or CAN). Communication is established automatically. The 2 methods
listed below are for default inverters (Method 1) or formanually selecting
inverter (Method 2) using the BMS tool with a hostcomputer through the RS232
port.
BMS basic functions
Protection and Alarm | Management and Alarm |
---|---|
Charge/Discharge End | Cells Balance |
Charge Over Voltage | Intelligent Charge Model |
Discharge Under Voltage | Charge/Discharge Current Limit |
Charge/Discharge Over Current | Capacity Retention Calculate |
High/Low Temperature(cell/BMS) | Administrator Monitor |
Short Circuit | Operation Record |
Power Cable Reverse |
9.1 Inverter Protocol Codes
16S100A BMS Protocol
RS485 Protocol
Protocol name| Compatible protocol
Local| BMS Protocol
Voltronic| MOTOMA/Opti_Solar/SAKO/Phocos
Growatt| Growatt / SMK
SOLAX| Solax
LTW| LT-POWER
PACE| PACE
MUST| MUST
SRNE| SRNE/PACE/EPEVER
Baykee| Baykee
SMK| SMK
AFORE| AFORE
CAN Protocol
Protocol name| Compatible protocol
Local| BMS Protocol
GOODWE| SOLARFAM
Growatt| Growatt
SOLAX| SOLAX
Sofar| Sofar
Luxpower| Luxpower
MUST| MUST
LTW| LTW
Victron| Victron
PYLON| PYLON/DEYE/Sunsynk/Solis/TBB/LUXPower/SOFAR/Megarevo/ Invt/Afore
Sorotec| Sorotec
SOLARFAM| SOLARFAM
IMEON| IMEON
Schneider| Schneider
INHENERGY| INHENERGY
SMA| SMA/Sofar/Studer
Note: Compatible tests with different brands of inverter are continuously, updates of this list will be periodically.
9.2 Method 1: Communication with Factory Default Inverters
Step 1: Select the appropriate communication cable according to the brand of
inverter.
Some inverter brand cables come supplied with the battery. lf your inverter
brand cable is not supplied.please contact us to get the detailed information
how to make the correct RJ45 cable. Insert the RJ45 connector of the
batteryend (CAN/RS485) and the inverter end (CAN/RS485) into the interfaces on
both sides.
Step 2: Turn on the battery first and once it is running then turn on the
inverter. The battery is configured by factory default to communicate with
DEYE, SOlis, Luxpower, Sofar,
Afore,TBB inverters (CAN Port) and defult with Local (RS485 Port). The battery
will automatically select and communicate with one of these inverters.
Step 3: After successful communication between battery and irverter, battery
status will be displayed on inverter: voltage, current, SOC, temperature, etc.
9.3 Method 2: Communication via Manual Selection of Inverters
NOTE: In order to manually switch BMS protocols you will need the BMS
Tool and RS232 serial cable. Please contact ESS Powertech or vist our website
for further details.The BMS protocol only needs to be changed on the master
battery.
When communicating with other brands of inverters such as: Growatt, Solax,
Goodwe, Sorotech.LTW,MUST,SMA, etc
Step 1: Turn on the battery and ensure the BMS is powered up and not in sleep
state. Take theRJ45 end of the RS232 cable (not provided) and plug it into the
battery RS232 port. Then plug theUSB side of cable into your host
computer/laptop
Step 2: Place the BMS monitoring software file on your desktop and unzip the
file (Windows Microsoft.NET Framework 2.0 or above). The software does not
need to be installed. Only double clickthe main program icon BMS Todl (.exe
file) to run and use.
Enter the password(pls contact ESS Powertech).
Step 3: Click “Parameter information” at the top system page, then click “Read
Al” to read thebattery parameter. Select the inverter protocol at the
“Protocol type”(RS485 or CAN). Cick the Write All” button to set the protocol.
Once the protocol system displays,
the selection is complete.
Step 4: Select the appropriate communication cable according to your inverter
brand. insert theRJ45 connector of the battery end (CAN/RS485) and the
inverter end (CAN/RS485) into the interfaces on both sides. Restart the
battery first and ensure it is running. Then switch on the inverter.
Thebattery will automatically communicate with the inverter corresponding to
the selected protocol.
Battery recovery
Aluminum, copper, lithium, iron and other metal materials are recovered from discarded LiFePO4 batteries by advanced hydrometallurgical process, and the comprehensive recovery efficiency can reach 80%. The specific process steps are as follows:
10.1 Recovery process and steps of cathode materials
Aluminum foil as collector is amphoteric metal. Firstly, it is dissolved in
NaOH alkali solution to make aluminum enter the solution in the form of
NaAlO2. After filtration, the filtrate is neutralized with sulfuric acid
solution and precipitated to obtain Al (OH)3. When the pH value is above 9.0,
most of the aluminum precipitates, and the obtained Al (OH)3 can reach the
level of chemical purity after analysis.
The filter residue is dissolved with sulfuric acid and hydrogen peroxide, so
that lithium iron phosphate enters the solution in the form of Fe2 (SO4) 3 and
Li2SO4, and is separated from carbon black and carbon coated on the surface of
lithium iron phosphate. After filtration and separation, the pH value of the
filtrate is adjusted with NaOH and ammonia water. First, iron is precipitated
with Fe (OH) 3, and the remaining solution is precipitated with saturated
Na2CO3 solution at 90 ℃.
Since FePO4 is slightly dissolved in nitric acid, the filter residue is
dissolved with nitric acid and hydrogen peroxide, which directly precipitates
FePO4, separates impurities such as carbon black from acid solution, leaches
Fe (OH) 3 from filter residue respectively, and precipitates Li2CO3 with
saturated Na2CO3 solution at 90 ℃.
10.2 Recovery of anode materials
The recovery process of anode materials is relatively simple. After the
separation of anode plates, the purity of copper can be more than 99%, which
can be used for further refining electrolytic copper.
10.3 Recovery of diaphragm
The diaphragm material is mainly harmless, and has no recycling value.
10.4 List of recycling equipment:
Automatic dismantling machine, pulverizes, wet gold pool, etc.
Transportation Requirements
The battery products should be transported after packaging and during the
transportation process, severe vibration, impact, or extrusion should be
prevented to prevent sun and rain. It can be transported using vehicles such
as cars, trains, and ships.
Always check all applicable local, national, and international regulations
before transporting a Lithium Iron Phosphate battery.
Transporting an end-of-life, damaged, or recalled battery may, in certain
cases, be specially limited or prohibited.
The transport of the Li-Ion battery falls under hazard class UN3480, class 9.
For transport over water, air and land, the battery falls within packaging
group PI965 Section I.
Use Class 9 Miscellaneous Dangerous Goods and UN Identification labels for
transportation of lithium-ion batteries which are assigned Class 9. Refer to
relevant transportation documents.
Lithium batteries and lithium-ion cells are regulated in the U.S. in
accordance with Part 49 of the Code of Federal Regulations, (49 CFR Sections
105-180) of the U.S. Hazardous Materials Regulations.
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HCM: 6C Huynh Tan Phat, Quarter 1, Phu Thuan Ward, District 7, HCMC
Phone: 089 6622 606 – 093 773 2030 – 093 775 7479
Email: info@powertech.vn
Website: www.powertech.vn
References
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