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 energy 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 solar energy storage. Thanks to its LiFePO₄ cells, IP65 protection rating, and comprehensive safety features, operation is safe at all times. Flexible mounting options—both on the wall and on the floor—allow 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 heavy loads
• Long service life of over 6,000 charge cycles for long-term use
• Maximum utilization of stored energy thanks to a 90% depth of discharge
• Maximum safety thanks to robust LiFePO₄ cells and IP65 protection
• Flexible installation: wall-mounted or floor-mounted options available
• Easy monitoring and maintenance via communication with Solax inverters
• Durable, efficient, and reliable—ideal for self-consumption of solar energy
• Manufacturer’s product warranty: 10 years; you can find more information 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. Combined with IP65 certification, the housing reliably protects the battery from dust and splashing water. This makes the storage system ideal for use in living spaces, utility rooms, or garages.

Flexible Installation and Integration

The battery can be mounted on a wall or placed on the floor. Thanks to its modular design, it can be easily integrated into existing Solax systems. Communication via CAN 2.0 and RS485 enables intelligent control and monitoring of energy flows between the battery and the inverter.

Reliable Power 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 under high power demands, the T-BAT-SYS-HV-5.8 reliably delivers up to 4 kW.

Long Service Life and High Efficiency

Over 6,000 charge cycles ensure an exceptionally long service life, so your investment pays off for many years to come. With a depth of discharge of up to 90%, you can efficiently utilize nearly the entire capacity of the battery, enabling maximum optimization of your solar energy self-consumption.

Easy Monitoring and Control

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

Technical Specifications

• 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 charge/discharge current: 35 A
• Short-circuit current: 760 A
• Cycle life: >6,000 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: <2,000 m
• Protection rating: IP65
• Communication: CAN 2.0 to the inverter, RS-485 between batteries and BMS
• Warranty: 10 years
• Dimensions (L x W x H): 474 x 193 x 708 mm
• Weight: 72.2 kg

Package Contents

1x SolaX T-BAT-SYS-HV-5.8 (Master)
1x XRSD-2C fast-acting circuit breaker
1x Installation Manual
1x Warranty Card