SOLAX POWER T-BAT LR25 Solar Battery System Instruction Manual

June 22, 2024
SOLAX POWER

SOLAX POWER T-BAT LR25 Solar Battery System

Specifications:

Product Information

The T-BAT LR25 and T-BAT LR36 are battery modules designed for energy storage. These battery modules are equipped with safety features to prevent hazards such as explosions and electric shocks.
It is important to follow the installation manual and safety instructions provided by SolaX to ensure the safe and effective use of the product.

Installation Instructions

  1. Before installation, read the user manual carefully and comply with all regulations.
  2. Use insulated tools and wear protective gear during installation and maintenance.
  3. Ensure that the grounding cable is connected before handling the battery module.
  4. Avoid installing the battery module in areas with flammable materials or explosive atmospheres.

Battery Handling Guide

In case of emergencies such as electrolyte leakage or generation, avoid direct contact with the discharge. Follow the instructions provided in the user manual for proper handling procedures.

Response to Emergency Situations

  1. Avoid contact with electrolytes or gas leakage from the battery module.
  2. If accidental contact occurs, refer to the user manual for appropriate actions to take.

FAQ

Q: What should I do if the battery module leaks electrolytes?

A: Avoid direct contact with the leakage and refer to the emergency response guidelines in the user manual for proper handling procedures.

Q: Can I dispose of the battery module with household waste?

A: No, the battery system must be disposed of at a proper facility for environmentally safe recycling. Do not dispose of it with household waste

Safety

General Notice

  1. Contents may be periodically updated or revised. SolaX reserves the right to make improvements or changes in the product(s) and the program(s) described in this manual without prior notice.
  2. The installation and maintenance can only be performed by qualified personnel who:
    • Are licensed and/or satisfy state and local jurisdiction regulations;
    • Have good knowledge of this manual and other related documents.
  3. Before installing the device, carefully read, fully understand, and strictly follow the detailed instructions of the user manual and other related regulations. SolaX shall not be liable for any consequences caused by the violation of the storage, transportation, installation, and operation regulations specified in this document and the user manual.
  4. Use insulated tools when installing the device. Individual protective tools must be worn during installation, electrical connection, and maintenance.
  5. Please visit the website www.solaxpower.com of SolaX for more information.

Safety Instruction

  • For safety reasons, installers are responsible for familiarizing themselves with the contents of the Manual and all warnings before performing installation.

Descriptions of Labels

General Safety Precautions

  • Overvoltage or wrong wiring may damage the battery module and cause combustion which may be extremely dangerous;
  • Leakage of electrolytes or flammable gas may occur due to any type of product breakdown;
  • Do not install the battery module in places where flammable and combustible materials are stored, and in which an explosive atmosphere is present;
  • The battery module wiring must be carried out by qualified personnel;
  • Battery module must be serviced by qualified personnel;
  • Ensure that the grounding cable is connected before handling the battery module.

Battery Handling Guide

Do’s

  • DO keep the battery module away from flammable materials, heat sources, and water sources;
  • DO keep the battery module out of reach of children and animals;
  • DO practice proper battery storage by keeping the battery module in a clean environment, free of dust, dirt, and debris;
  • DO store the battery module in a cool and dry place;
  • DO seal the outer cable connection hole to prevent ingress of foreign objects;
  • DO confirm that the wiring of the device must be correct.
  • DO install the device according to the local standards and regulations.

Don’ts

  • DON’T expose the battery module to an open flame, or a temperature over 140°F/60°C;
  • DON’T store or install the battery module in direct sunlight;
  • DON’T install or operate the battery module in places where there is excessive moisture or liquids;
  • DON’T place the battery module in a high-voltage environment;
  • DON’T disconnect, disassemble, or repair the device by unqualified personnel. Only qualified personnel are allowed to handle, install, and repair the device;
  • DON’T damage the device by dropping, deforming, impacting, cutting, or penetrating with a sharp object. Otherwise, it may cause a fire or leakage of electrolytes;
  • DON’T touch the device if liquid spills on it. There is a risk of electric shock;
  • DON’T step on the packaging or the device may be damaged;
  • DON’T place any objects on top of the battery module;
  • DON’T charge or discharge a damaged battery module;
  • DON’T dispose of the battery module in a fire. It may cause leakage or rupture;
  • DON’T mix different types or makes of the battery module. It may cause leakage or rupture, resulting in personal injury or property damage.

Response to Emergency Situations

  • In case the battery module leaks electrolyte or any other chemical materials, or gas may be generated due to the leakage of the battery module, be sure to avoid contact with the discharge at all times.

In case of accidentally coming into contact with them, please do as follows:

  • In case of inhalation: Leave the contaminated area immediately, and seek medical attention at once;
  • In case of contact with eyes: Rinse eyes with running water for 15 minutes, and seek medical attention;
  • In case of contact with skin: Wash the contacted area thoroughly with soap, and seek medical attention;
  • In case of ingestion: Induce vomiting, and seek medical attention.

If a fire breaks out where the battery module is installed, please do as follows:

  • In case the battery module is charging when the fire breaks out, provided it is safe to do so, disconnect the battery module circuit break to shut off the power charge;
  • In case the device is not on fire yet, use a Class ABC fire extinguisher or a carbon dioxide extinguisher to extinguish the fire;
  • If the battery module catches fire, do not try to put out the fire, and evacuate immediately.
  • The battery module may catch fire when it is heated above 302°F/60°C; and in case of catching fire, it will produce noxious and poisonous gas, DO not approach and keep away.

Effective ways to deal with accidents

  • In case of the damaged battery module, place it into a segregated place, and call the local fire department at the place where the user lives or qualified personnel.
  • If any part of the battery module, or wiring is submerged, DO stay out of the water and DON’T touch anything; If the battery module gets wet, DON’T touch it.
  • If the battery module is damaged, DON’T use it. Otherwise, it may result in both personal injury and property damage.
  • DON’T use the submerged battery module again, and contact the qualified personnel for assistance.
  • DO contact SolaX immediately for assistance if the user suspects that the battery module is damaged.

Packing List

  • One Battery Module (T-BAT LR25/T-BAT LR36 × 1)
  • Note: The above items are only for one battery module. Our company will provide corresponding components according to battery modules.
  • Accessories Kit for Quick Rack Installation (additional purchase is required)
  • Accessories Kit for Cabinet Installation (additional purchase is required)
  • Accessories Kit for Cables (for both rack and cabinet installation) (additional purchase is required)
  • Accessories Kit for Wall Mounting (additional purchase is required)
  • Accessories Kit for Cables (connecting from the battery module to inverter) (additional purchase is required)

Installation Site

Installation Options

There are three installation options available, with details as follows.

Note:

  1. The option of rack installation may withstand up to seven battery modules currently.
  2. Regarding the cabinet shown in the above figure, it is a standard cabinet with a width and depth of 600 mm, and will not be provided by our company. Users may purchase it based on their demands.
  3. Regarding the wall mounting, up to sixteen battery modules can be installed in a straight line.

Installation Space

Installation Tools

Additionally Required Materials

No. Required Material Type Conductor Cross-section/ diameter
1 Grounding cable / 10 mm²
2 Protective pipe Corrugated pipe External diameter: Over 60 mm

Mechanical Installation

Note:

  1. The number of battery modules that can be installed varies depending on different installation options.
    • If the rack installation is selected, up to 7 battery modules can be installed.
    • If the cabinet installation is selected, two sizes of cabinet are available, such as 22U and 42U. In the case of 22U, up to 7 battery modules can be installed. In the case of 42U, up to 14 battery modules can be installed.
    • If the wall mounting is selected, up to 16 battery modules can be installed.
      Rack installation| Cabinet installation| Wall mounting
      ---|---|---
      Max. number of battery module| 7| 14| 16
  2. In the case of rack installation, please ensure that the bearing capacity of the supporting surface for the system is over 800 kg (it is calculated based on the 7 battery modules).
  3. In the case of cabinet installation, please ensure that the bearing capacity of the supporting surface for the system is over 1800 kg (it is calculated based on the 14 battery modules).
  4. In the case of wall mounting, the device shall be installed on the concrete wall. The bearing capacity of the wall, which enables it to bear the loads from the whole battery system, must be over (battery module weight × number of battery modules × 4).
  5. It is recommended that the battery rack and battery cabinet be installed against the wall for stability.
  6. In the case of cabinet installation, at least a distance of 100 mm from the cabinet to the ceiling shall be reserved to allow access to conduct wiring.
  7. In the case of wall mounting, regarding the neighboring two assembled wall brackets, the distance between the right outside bracket of one and the left outside bracket of the other shall be between 40 and 200 mm, and the distance from the device to either the left or right wall shall be between 250 and 300 mm.
  8. The following installation procedures apply to both T-BAT LR25 and T-BAT LR36.

Installation procedure with Rack

  • Regarding the Rack, users can purchase from our company. The following steps take 7 battery modules as an example.
  • Follow the above steps 4 to 7 when placing the remaining battery modules. After finishing the installation, see the figure on the left.
  • Note: Don’t forget to install and tighten caps nuts after placing the supports and the last battery module.

Caution:

  1. If the entire device needs to be replaced, strictly follow the reverse order of the installation procedure to remove the rack, the BMS, and battery modules from top to down.
  2. If one of the battery modules needs to be maintained, just remove such a battery module, and then reinstall it back in place after finishing maintenance.
  3. If more than one battery module needs to be maintained, please do as follows:
    • Firstly, remove one battery module to do maintenance;
    • Secondly, reinstall such a battery module back in place after finishing maintenance;
    • Thirdly, repeat the above two steps to maintain another battery module.

Installation procedure with Cabinet

Note:

  1. Regarding the installation of the outside cabinet, please follow the Guide delivered with the cabinet.
  2. There are two alternative sizes (22U and 42U) of cabinets available for users.
  3. The following steps take 42U (1U = 4.445 cm) with 14 battery modules as an example.
  • Regarding the installation of the inside cabinet and battery modules, please follow the steps below.

Wall Mounting

Current Terminal Connection (Connecting to Inverter)

Regarding the cables that are prepared by the users themselves, a wire size of 10 mm² for cables is recommended.

Note:

  1. The grounding cable should be prepared by the users themselves.
  2. The connection procedure of the grounding cable applies to both T-BAT LR25 and T-BAT LR36.

Communication Connection (Connecting to Inverter)

Note: The BMS communication cable shall have a shield layer.

Wiring

Note:

  1. The wiring procedure applies to two types of T-BAT LR25 and T-BAT LR36.
  2. The two BAT+ ports on the battery are equipotential, as well as two BAT- ports.
  3. Do not bend the power cable, particularly at the point where the cable joins the connector, at 90° while conducting wiring.

Wiring procedure for rack installation

Wiring procedure for cabinet installation

Note: Do not bend the power cable, particularly at the point where the cable joins the connector, at 90° while conducting wiring.

Wiring procedure for wall mounting

Note:

  1. Regarding the wall mounting, up to 16 battery modules can be installed. The wiring procedure between battery modules is the same. Therefore, take the cable connection between two battery modules as an example.
  2. Do not bend the power cable, particularly at the point where the cable joins the connector, at 90° while conducting wiring.

Power on the System

Note:

  1. Regarding the first start, after pressing and holding the POWER button on the battery module that connects to the inverter for 15 seconds, the battery system will assign each battery module in a communication loop a unique address (battery number). In the meantime, the status light will flash a yellow light, and the SOC power indicators will remain on a solid yellow light based on the battery modules’ actual battery capacity. At this point, release the button. After the unique address (battery number) is assigned, press the POWER button to shut down the system when the status light flashes a green light and the SOC power indicators remain on a solid yellow light.
  2. Regarding the second start, after pressing the POWER button on the battery module that connects to the inverter for less than 3 seconds, the status light flashes a green light and the SOC power indicators remain on a solid yellow light based on the battery modules’ actual battery capacity.
    • At this point, release the button.
  3. A system problem may be encountered while pressing the button frequently. The user may need to wait at least 10 seconds and then try again.

LED Indicators

No. Mode Description
1 Startup After pressing and holding the POWER button for more than 1

second, the function of Self Test will be performed with a duration of 10 seconds. In the meantime, the status light will remain on a solid yellow light, and the SOC power indicators will remain on a solid yellow light based on their actual remaining capacity.

When the Self Test is completed successfully, the status light will flash a green light, and the SOC power indicators will remain on a solid yellow light.

2| Shut down| After pressing and holding the POWER button for more than 3 seconds, the status light will remain on a solid yellow light, and the SOC power indicators will remain on a solid yellow light, and then all indicators will be off.
3| Standby| The status light will come on a green light. In the meantime, the SOC power indicators will come on a solid yellow light.
4| Charging| The status light will flash a green light every 1 second. Regarding the SOC power indicators, please refer to “SOC power indicators during charging”.
5| Discharging| The status light will flash a green light every 1 second. Regarding the SOC power indicators, please refer to “SOC power indicators during discharging”.
6| Fault| In the case of failure, the status light will flash a red light every 3 seconds. In the meantime, the SOC power indicators will remain on a solid yellow light.
7| Black Start| After pressing and holding the power button for more than 15 seconds, the status light flashes a yellow light every 1 second, and all the SOC power indicators remain on a solid yellow light based on the actual remaining capacity.

SOC power indicators during charging

Charging

When the battery level is at 60%, the SOC power indicators will show as follows:

  1. The first three SOC power indicators (20%, 40%, and 60%) will flash yellow light every 1 second;
  2. The remaining SOC power indicator (80% and 100%) will be off.

SOC power indicators during discharging

Discharging

When the battery level is at 60%, the SOC power indicators will show as follows.

  1. The first three SOC power indicators (20%, 40%, and 60%) will remain on solid yellow light;
  2. The remaining SOC power indicator (80% and 100%) will be off.

Technical Data

Parameter display

Module T-BAT LR25 T-BAT LR36
Nominal Voltage (Vdc) 51.2 51.2
Operating Voltage Range (Vdc) 45-58 45-58
Nominal Capacity (Ah) ¹ 50 72
Nominal Energy (kWh) ¹ 2.56 3.686
Usable Energy 90% DOD (kWh) ² 2.3 3.3
Max. Output Current (A) ³ 50 50
Peak Charge/Discharge Current (A) ⁴ 60 (60 seconds) / 100 (15 seconds)
Battery Round-trip Efficiency (0.2 C, 25°C/77°F) 95%
Expected Lifetime (25°C) 5 years
Cycle Life 90% DOD (25°C) 6000 cycles
Charge Temperature 0°C ~ 55°C
Discharge Temperature -20°C ~ 55°C
Storage Temperature 30°C ~ 50°C (6 months), -20°C ~ 30°C (12 months)
Ingress Protection IP20
Protection Class I

Note:

  1. Test conditions: 100% DOD, 0.2 C charge & discharge @ +25°C.
  2. System usable energy may vary with inverter different settings.
  3. Discharge: In case of battery cell’s temperature range of -20°C ~ 10°C and 45°C ~ 55°C, the discharge current will be reduced;
    • Charge: In the case of the battery cell’s temperature range of 0°C ~ 25°C and 45°C ~ 55°C, the charge current will be reduced. Product charge or discharge power depends on the actual temperature of the battery cell.
  4. The battery can only be discharged and cannot be charged when the battery cell’s temperature range is between -20°C and 0°C.

Contact Information

  • UNITED KINGDOM
  • Unit 10, Eastboro Fields, Hemdale Business
  • Park, Nuneaton, CV11 6GL
  • +44 (0) 2476 586 998
  • service.uk@solaxpower.com

USA

Documents / Resources

| SOLAX POWER T-BAT LR25 Solar Battery System [pdf] Instruction Manual
LR25, LR36, T-BAT LR25 Solar Battery System, T-BAT LR25, Solar Battery System, Battery System, System
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