SolaX T-BAT SYS HV 5.8 LiFePO4 storage battery 5.8 kWh

The SolaX T-BAT-SYS-HV-5.8 (MPN: 1020030064) is a state-of-the-art high-voltage home storage system designed specifically for photovoltaic systems. With a usable capacity of 5.1 kWh, an impressive depth of discharge of 90%, and a service life of over 6,000 cycles , it offers reliable, long-lasting, and efficient storage of solar energy. Thanks to the LiFePO₄ cells, IP65 protection class, and extensive safety features, operation is safe at all times. Flexible mounting on both walls and floors allows for easy installation in any home. With CAN and RS485 communication , the T-BAT-SYS-HV-5.8 is compatible with Solax inverters and supports intelligent monitoring and control of energy flow.

Highlights of the SolaX T-BAT-SYS-HV-5.8

• Reliable power supply for your home—even under high load
• Long service life of over 6000 charging cycles for long-term use
• Maximum utilization of stored energy thanks to 90% depth of discharge
• Maximum safety thanks to stable LiFePO₄ cells and IP65 protection
• Flexible mounting: wall or floor installation possible
• Environmentally friendly: no toxic heavy metals or corrosive materials
• Easy monitoring and maintenance via communication with Solax inverters
• Durable, efficient, and reliable—ideal for solar energy self-consumption
• Manufacturer product warranty: 10 years, information can be found here

Safe and durable technology

The T-BAT-SYS-HV-5.8 uses high-quality LiFePO₄ cells, which are known for their thermal stability, long service life, and high safety. Together with IP65 certification, the housing reliably protects the battery from dust and splash water. This makes the storage unit ideal for use in living spaces, technical rooms, or garages.

Flexible installation and integration

The battery can be mounted on the wall or on the floor. Its modular design allows it to be easily integrated into existing Solax systems. Communication via CAN2.0 and RS485 enables intelligent control and monitoring of energy flows between the battery and the inverter.

Reliable energy supply for your home

With a usable capacity of 5.1 kWh, you can power your most important household appliances for several hours. The battery supports both grid-connected operation and off-grid scenarios. Even with high power requirements, the T-BAT-SYS-HV-5.8 reliably delivers up to 4 kW.

Long service life and high efficiency

Over 6000 charging cycles ensure an exceptionally long service life, so that the investment pays off over many years. With a discharge depth of up to 90%, you can efficiently utilize almost the entire capacity of the battery, enabling maximum optimization of your solar energy consumption.

Easy monitoring and control

Thanks to the CAN and RS485 interfaces, you can connect the battery directly to Solax inverters and monitor the charging and discharging status at any time. This enables intelligent control, optimizes self-consumption, and ensures that sufficient energy is always available.

Technical data

• Nominal voltage: 115.2 V
• Operating voltage: 100–131 V
• Total capacity: 5.8 kWh
• Usable capacity: 5.1 kWh
• Standard power: 2.8 kW
• Maximum power: 4.0 kW
• Recommended charging/discharging current: 25 A
• Maximum charging/discharging current: 35 A
• Short-circuit current: 760 A
• Cycle life: >6000 cycles
• Operating temperature: Charging 0–55°C / Discharging –10–55°C
• Storage temperature: -20–30°C (12 months), 30–55°C (6 months)
• Relative humidity: 4–100% RH (condensing)
• Altitude: <2000 m
• Protection class: IP65
• Communication: CAN2.0 to the inverter, RS485 between batteries/BMS
• Warranty: 10 years
• Dimensions (L x W x H): 474 x 193 x 708 mm
• Weight: 72.2 kg

Scope of delivery

1x SolaX T-BAT-SYS-HV-5.8 (master)
1x XRSD-2C quick disconnect device
1x Installation manual
1x Warranty card