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VOLTACON Li2021 BATTERY 2.4KWH 48V User Manual

Voltacon Li2021 2.4KWH 48V Battery User Manual 

Dear customer, 

This is your Li2021 48V50Ah LFP battery battery for home energy storage system. 

We provide safe, well-designed and high-performance standard LFP battery pack 

for you. The battery pack is compact, easy to install, free of maintenance and 

used as the building block of energy storage system by assembling in parallel. 

It is widely applied in home applications, small commercial and industrial energy 

storage system as well as Telecom stations.  

This manual contains all the information necessary to install, use and 

maintain the LFP battery. We kindly ask you to read this manual carefully before 

using the product.  

This manual is meant for the installer and the user of the LFP battery. Only 

trained and qualified staff may install and perform maintenance on the LFP 

battery.  

The boundaries of its use, as described in this manual should be kept in 

mind. The LFP battery may not be used in medical or in aviation-related 

applications. The LFP battery may not be used for any purposes other than 

described  in  this  manual.  Using  the  LFP  battery  for  any  other  purpose  will  be 

considered  improper  use  and  will  void  the  warranty  of  the  product. 

Voltacon

 

cannot  be  held  responsible  for  any  damage  caused  by  improper,  incorrect  or 

unwise use of the product. Read and understand this manual completely before 

using the product. During the use of the product, user safety should always 

be  ensured,  so  installers,  users,  service  personnel  and  third  parties  can  safely 

use the LFP battery.  

This is the original manual, keep it in a safe location! Please consult

https://voltaconsolar.com 

        for the latest version of all manuals. 

VOLTACON UK LTD. 

Add: Burnsall Road Industrial Estate, CV5 6BU, Coventry, West Midlands. 

Website: https://voltaconsolar.com 

Tel: +44 2477 67 55 75

Содержание Li2021 48V50Ah LFP

Страница 1: ...may install and perform maintenance on the LFP battery The boundaries of its use as described in this manual should be kept in mind The LFP battery may not be used in medical or in aviation related a...

Страница 2: ...instructions it may cause serious personal injury or even death Warning indicates a possible hazard which if not observed could result in severe personal injury or equipment damage Caution indicates...

Страница 3: ...ent may be damaged The safety precautions mentioned in the manual are only intended to the supplement of local safety regulations 1 Never install or use a damaged Li ion battery If the Li ion battery...

Страница 4: ...dismantle crush puncture open or shred the Li ion b attery 8 Before moving or reconnecting the running system the power must be off and the system should be shut down otherwise there will be risk of e...

Страница 5: ...y Management System BMS 6 3 4 1 BMS protection functions and parameters 6 4 Operating environment 8 5 Packaging transportation storage requirements 8 5 1 Transportation 8 5 2 Storage 9 6 Installation...

Страница 6: ...Connecting communication cables 16 6 4 5 Activation 17 6 4 6 Power on test 18 7 Communication 20 7 1 RS232 port 20 7 2 RS485 port and CAN port 21 8 Troubleshooting 22 8 1 Unable to start 23 8 2 Unable...

Страница 7: ...Electricity Bills Reduction charge the battery during the off peak period and discharge the battery during peak period Self Consumption store excess energy generated by solar panels and use it wheneve...

Страница 8: ...88 5mm 2U Unit Weight 23kg Standard Charge Current 25A Maximum Charge Current 50A Standard Discharge 25A Maximum Discharge Rate 50A Round Trip Efficiency 95 Communication Protocol RS485 CAN Cycle Lif...

Страница 9: ...ower indicator and insulated coating metal case Input output terminals 2 Sets Built in terminals 2 2 List of accessories Items Specifications Pictures Communication cable for cascade connection Black...

Страница 10: ...3 1 Battery front panel 3 2 Battery front panel schematic 1 Grounding 7 RS485 2 POWER ON OFF 8 Link Port 0 3 Soft start switch 9 Link Port 1 4 ADD 10 Negative 5 Status indication SOC light 11 Positiv...

Страница 11: ...stantly on when charging The lights flash when discharging Alarm indicator ALM Red light The lights flash when Alarm The lights are constantly on when Protected Capacity indicator CHARGE A total of 6...

Страница 12: ...agement balancing communication giving out alarms protection etc The high performance of BMS is guaranteed by adopting Automotive level chips and self developed sophisticated BMS software 3 4 1 BMS pr...

Страница 13: ...protection and recovery of cells 12 Environmental temperature warning 13 Key components failure warning 14 Too low State of Charge of batteries warning protection and recovery 4 Operating environment...

Страница 14: ...g during transportation as well as to prevent sun and rain During the loading and unloading process the battery should be handled lightly and protected against falling rolling and heavy pressure 5 2 S...

Страница 15: ...azardous gases 4 For long term storage 6months charge the LFP battery to more than 80 of its rated capacity before storage The battery needs to be recharged every 6months to more than 80 of the rated...

Страница 16: ...erating environment The operating environment should meet the requirements described in Chapter 4 Operating Environment Otherwise it needs to be adjusted and re examined 6 1 3 Tools The tools that may...

Страница 17: ...ble 2 1 Battery Pack Specifications Security check Fire fighting equipment such as portable dry powder fire extinguishers should be available near the equipment Do not place dangerous materials such a...

Страница 18: ...3 The preparatory work 1 Make sure the POWER buttons of all batteries are off 2 Ensure the charging voltage of power supply equipment is DC53 5 0 5V 3 All power supply should be off 6 4 Installation 6...

Страница 19: ...power cable Before connecting the power cable connect and disconnect the cable to identify the positive and negative terminal then make a mark respectively After the cable is connected measure whether...

Страница 20: ...erminal of the DC port of the energy storage inverter or the junction box with a black cable 2 Power cable connection instructions of Multi Rack Collect the positive and negative power cables respecti...

Страница 21: ...cting communication cables Single battery Choose which port to be inserted according to the communication protocol RS485 CAN RS232 between the battery and ESS inverter then insert the communication ca...

Страница 22: ...according to the communication protocol between batteries and ESS inverter 1 The host Link Port 0 must be kept free 2 The end slave Link Port 1 must be kept free Note The system may not be able to co...

Страница 23: ...s of all batteries are on for 1 second all batteries are activated Note When the battery power is too low to be turned on charge the battery by connecting the battery to ESS inverter 6 4 6 Power on te...

Страница 24: ...is on for about 1 second at power on Standby Normal Flash 1 OFF OFF OFF OFF OFF OFF OFF Indication when the battery is not charging or discharging Alarm OFF Flash 3 OFF OFF OFF OFF OFF OFF Battery lo...

Страница 25: ...t 3 75s off flash 2 0 5s light 0 5s off flash 3 0 5s light 1 5s off End of installation 7 Communication There are RS 232C RS485 and CAN communication ports on the battery The battery status can be obt...

Страница 26: ...Default baud rate of RS232 ports 115200bps 7 2 RS485 port and CAN port Table 7 2 RS485 Connector Pin Assignments RJ45 port Pin number Signal 1 2 3 4 5 6 GND 7 RS485A VOLTACON Li2021 BATTERY 2 4KWH 48V...

Страница 27: ...21 8 RS485B Table 7 2 CAN Connector Pin Assignments RJ45port Pin number Signal 1 2 G 3 4 H 5 L 6 7 8 Default baud rate of CAN and RS 485 port 115200bps VOLTACON Li2021 BATTERY 2 4KWH 48V User Manual...

Страница 28: ...attery will work normally automatically after protection status is released Do not repair the battery if no authorization from Voltacon 8 1 Unable to start Problem Troubleshooting Steps Solution Press...

Страница 29: ...al range If the battery still does not charge properly after following the above steps please contact Voltacon 8 3 Unable to discharge Problem Troubleshooting Steps Solution The battery cannot be disc...

Страница 30: ...er cord to ensure that the power cord is properly connected 2 Check whether the charging voltage charging discharging current battery cell voltage and temperature meet the relevant protection conditio...

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