Sungrow SBP4K8 User Manual
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Sungrow SBP4K8 User Manual

Rechargeable lithium ion battery
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User Manual
SBP4K8
Rechargeable lithium ion battery
SBP4K8-UEN-Ver11-201709
Version: 1.1

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Summary of Contents for Sungrow SBP4K8

  • Page 1 User Manual SBP4K8 Rechargeable lithium ion battery SBP4K8-UEN-Ver11-201709 Version: 1.1...

  • Page 3: About This Manual

    About this manual This manual is intended for the SBP4K8, the Sungrow 4.8 kWh battery. This manual does not include all information about the system (i.e. the inverter), just the battery. additional information about other devices en.sungrowpower.com or at the webpage of the device manufacturer.
  • Page 4 Table 0-1 Safety and informative document symbols Symbol Explanation Indicates a hazard with a high level of risk that, if not avoided, will result in death or serious injury. Indicates a hazard with a medium level of risk that, if not avoided, could result in death or serious injury.

  • Page 5: Table Of Contents

    Contents About this manual ................I  1  Safety instructions ..............1      Description of symbols on the battery ............1     Notices for safe use ....................2     Emergency situations ................... 3   1.3.1 Leaking batteries ....................... 3  ...
  • Page 6   5.3.2 Wall-mountable installation ................19 6  Electrical connection ............. 22      Grounding ......................23     Communication connection ................24     DC connection ..................... 26 7  Adding new batteries to an existing system ......29  8  Commissioning............... 31  9 ...

  • Page 7: Safety Instructions

    1 Safety instructions This section describes the product's safety information. Before proceeding with unloading, unpacking, handling, installation and operation, read and fully understand the following details. Always follow the guidelines. 1.1 Description of symbols on the battery Please wear safety goggles when working on the battery system. Electric shock hazard Serviced by qualified personnel only.

  • Page 8: Notices For Safe Use

    1 Safety SBP4K8 user manual 1.2 Notices for safe use Read all safety instructions carefully prior to any work and observe them at all times when working on or with the battery. Failure to observe the precautions described in this section can cause serious injury to persons or damage to property.

  • Page 9: Emergency Situations

    Do not use the battery if it is defective, appears cracked, broken or damaged, or fails to operate.  Do not use the battery SBP4K8 together with other types of batteries.  Do not pull, drag or step on the battery.

  • Page 10: Fire

    1 Safety SBP4K8 user manual If one is exposed to the leaking substance, follow the suggestions below to minimize the chance of injury:  Inhalation: Evacuate the contaminated area, and seek medical aid.  Eye contact: Rinse eyes with large amounts of water using emergency eye wash bottle for at least 15 minutes, and seek medical aid immediately.

  • Page 11: Wet Batteries

    1.3.3 Wet batteries If the battery is wet, do not let people access it, and then contact Sungrow or an authorized service partner for technical support. If a battery is submerged in water or flooded, first, switch off all circuit breakers in the system to cut off the power supply to the battery.

  • Page 12: Skills Of Qualified Personnel

    1 Safety SBP4K8 user manual 1.4 Skills of qualified personnel The battery must only be installed and commissioning by qualified personnel. Qualified personnel must have the following skills:  training in the installation and commissioning of the solar PV hybrid systems, as well as knowledge of how to deal with hazards;...

  • Page 13: Product Description

    2 Product description The battery SBP4K8 is designed for residential energy storage systems. The inbuilt battery management system (BMS) monitors its operation and prevents the battery from operating beyond the specified limitations. The battery can be expanded to 3 units in parallel at most.

  • Page 14: Dimensions

    2 Product description SBP4K8 user manual Item Designation Definition Grounding position. The following table describes the definitions of the LED indicator. Table 2-2 Descriptions of the LED indicator states Color State Definition Normal operation state. Blinking slowly (1s on and 2s off)
  • Page 15 Icon Description Do not dispose of the battery together with household wastes. For Australian customers, please contact Sungrow or a battery recycler. Read the user manual before any operation of the device. TUV mark of conformity. CE mark of conformity.

  • Page 16: Battery Management System (Bms)

    2 Product description SBP4K8 user manual 2.4 Battery management system (BMS) The battery consists of 14 long-lifetime Samsung SDI prismatic battery cells and a battery management system (BMS). The BMS is used to ensure the safe and efficient operation of the battery. This objective is achieved by the collaboration of the key BMS functions, including: ...

  • Page 17: Transport And Storage

    3 Transport and storage 3.1 Safety handling procedure Quarantine Packages that are crushed, punctured or torn open to reveal contents should not be transported. Such packages should be isolated until the shipper has been consulted, provided instructions and, if appropriate, arranged to have the product inspected and repacked.

  • Page 18: Inspecting For Transport Damage

    If damage (deformation, damage to the housing, or similar) is discovered, do not use the battery under any circumstance. Make a descriptive notation on the delivery receipt before signing. Contact Sungrow or a Sungrow representative or partner. Keep the original packaging for future storage or transportation.
  • Page 19 SBP4K8 user manual 3 Transport and storage Figure 3-1 Correct storage Figure 3-2 Wrong storage When the battery is not connected to the SH series hybrid inverter, the battery cannot be automatically charged. The battery will automatically discharge at a minimum rate during storage.

  • Page 20: Installation Process

    4 Installation process Install the battery according to the following flow chart. For a detailed reference, see Table 4-1. Figure 4-1 Installation flow chart Table 4-1 Explanation for the flow chart Order Explanation Reference Unpacking and inspecting the delivery. 3.2.2 and 5.1 Reading the manual, especially the safety instructions.

  • Page 21: Mechanical Installation

    5 Mechanical installation 5.1 Delivery contents Battery pack Anchors (x 2) Bushings (x 2) M6 screw sets for securing OT25-6 terminal for Expansion plug set (x 2) the power cables (x 4) power cables (x 4) M4 screw sets for grounding (x 1) M5 screw sets for OT6-4 terminal for...

  • Page 22: Selecting The Installation Location

    5 Mechanical installation SBP4K8 user manual 5.2 Selecting the installation location Incorrect installation location may cause damage to the battery. The optimal location should meet the following requirements:  Follow the local applicable standards and guidelines.  The ambient temperature should be always in the range of -10°C to +45°C, and the humidity is less than 85 % RH under no condensing.

  • Page 23: Free-Standing Installation

    SBP4K8 user manual 5 Mechanical installation In order to avoid electrical shock or other injury or damage, call an appropriate authority or inspect if there is electricity, plumbing or gas installations before drilling holes. 5.3.1 Free-standing installation It is recommended to secure the battery to the wall after locating for safety. Proceed as follows to install the anchors to both sides of the battery.
  • Page 24 5 Mechanical installation SBP4K8 user manual Use the expansion bolt sets to install the bushings. Be sure to adhere to the following sequence as shown on the left: − self-tapping screw − spring washer − fender washer − bushing Move the battery with the help of other people.

  • Page 25: Wall-Mountable Installation

    SBP4K8 user manual 5 Mechanical installation Use the provided M5 screws to secure the anchors to the battery with a torque of 3.0 Nm. 5.3.2 Wall-mountable installation A wall-mounting bracket and four expansion plug sets will be additionally delivered for wall-mountable installation, as shown in the Figure 5-2.
  • Page 26 5 Mechanical installation SBP4K8 user manual Drive the expansion bolts into the holes. Install the bushings for the anchors. Be sure to adhere to the following sequence described free-standing installation procedure): self-tapping screw, spring washer, fender washer and bushing. Install the wall-mounting bracket.
  • Page 27 SBP4K8 user manual 5 Mechanical installation Unscrew four M5 screws and remove the top cover Install the anchors to each side, with the slot through the bushing. Use the provided M5 screws to secure the anchors to the battery with a torque...

  • Page 28: Electrical Connection

    6 Electrical connection Make sure that the SH series hybrid inverter is switched off before connecting the battery to the inverter. The following figure shows the cable connection between the battery and the SH series hybrid inverter. Figure 6-1 Wiring between the battery and the inverter The following figure shows the cable connection between the parallel batteries.

  • Page 29: Grounding

    SBP4K8 user manual 6 Electrical connection 6.1 Grounding There is one point for grounding on each side of the battery. Select either one to ground the battery according to the relevant regulations. The cross-section area of the grounding copper conductor should be larger than 6 mm Figure 6-3 Battery grounding port Proceed as follows to ground the battery.

  • Page 30: Communication Connection

    The CANH and CANL plugs on the other end connect to the corresponding, eponymous terminals inside the inverter. Proceed as follows to connect the RJ45 communication cable to the SBP4K8 and the SH series hybrid inverter.
  • Page 31 SBP4K8 user manual 6 Electrical connection Use a sharp object to puncture the com. grommet. Lead the CANH and CANL plugs from inside out through the com. port. This will result in the cable with the RJ45 plug on the inside end of the com.

  • Page 32: Dc Connection

    6 Electrical connection SBP4K8 user manual Thread the end of the cable with the CANH and CANL plugs through one of the com. ports in the bottom of the inverter. Connect the CANH and CANL plugs to the corresponding, eponymous screw terminals inside the SH series hybrid inverter.
  • Page 33 SBP4K8 user manual 6 Electrical connection The resistance of DC cables will lower the battery voltage. It is recommended that the DC cable between the battery and the SH series hybrid inverter is less than 3 m. The DC cables should be close to each other. Lay the cables in a protection pipe or tie them with cable ties.
  • Page 34 6 Electrical connection SBP4K8 user manual Connect the positive cable to the positive “+” terminal and the negative cable to the negative “-“ terminal. Tighten the screws to a torque of 2.8 Nm. Be sure connect negative cable positive “+” terminal and the positive cable to the negative “-“...

  • Page 35: Adding New Batteries To An Existing System

    7 Adding new batteries to an existing system The battery capacity can be increased by adding a battery. There should be at most two additional batteries. Figure 7-1 Battery connection in parallel When using old and new batteries together, the usable capacity will be less than the sum of the actual capacity of the old and new batteries.
  • Page 36 7 Adding new batteries to an existing system SBP4K8 user manual Unscrew four M5 screws and remove the top cover from inverter-connected battery. Press the button longer than 5 s to switch off the battery. Switch off the DC circuit breaker between the SH series hybrid inverter and the battery and lock it to prevent reconnection.

  • Page 37: Commissioning

    8 Commissioning Proceed as follows to put the battery in operation for the first time. Switch on the AC circuit breaker next to the SH series hybrid inverter. Switch on the DC circuit breaker between the SH series hybrid inverter and the battery.

  • Page 38: Troubleshooting And Maintenance

    Cable connection failure For the detailed error codes and troubleshooting, see the user manual for the SH series hybrid inverter. Contact Sungrow or an authorized service partner if unsure about how to fix the issue. The follow table lists some frequently asked questions.

  • Page 39: Maintenance

    Integrated with a self-test function, the battery will report the relevant status information when the protection function is activated. Contact Sungrow or a service partner when you find any damage to the battery. Clean the exterior of the battery with a dry cloth. Use of solvents, abrasives or corrosive materials for cleaning is prohibited.

  • Page 40: Appendices

    10 Appendices 10.1 Technical data Parameter Specification Total energy 4.8 kWh Battery capacity 94 Ah Nominal voltage 51.52 V Battery type Lithium ion Voltage range 44.8 V–58.1 V Max. charge current 47 A Max. discharge current 80 A Round-trip efficiency (RTE) >...

  • Page 41: Active Cell Balancing

    SBP4K8 user manual 10 Appendices 10.2 Active cell balancing Without cell balancing, the cells in the battery are charged unevenly. This can cause some cells to overcharge while others are not fully charged, as shown in Figure 10-1. Also, some cells are not fully discharged to the maximum allowable depth of discharge (DOD), as shown in Figure 10-2.

  • Page 42: Exclusion Of Liability

    10 Appendices SBP4K8 user manual Figure 10-4 Full capacity utilization 10.3 Exclusion of liability The contents of the manual may be periodically updated or revised, and is subject to change without notice. latest manual acquired en.sungrowpower.com. Guarantee or liability claims for damage of any kind are excluded if they are caused by one or more of the following: ...

  • Page 43: Contact Information

    10.4 Contact information Should you have any problems, please contact us through the following information. We will be more than happy to assist you! Company: Sungrow Power Supply Co., Ltd. Website: en.sungrowpower.com info@sungrow.cn, service@sungrow.cn Email: No. 1699 Xiyou Rd., New & High Technology Industrial Development Address: Zone, Hefei, P.

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