11.52 kWh 940W HiBattery HB-1920 Storage System with double-glazed solar modules, including Hoymiles HMS-800-2WB single-phase inverter

With the Offgridtec solar system (MPN: 025099), you can generate your own solar power and store excess energy for later use. Depending on the model you choose, the kit includes two or four Trina Solar Vertex S+ double-glass solar modules, each with a power output of 470 Wp, a matching Hoymiles microinverter, and three to six Hoymiles HiBattery HB-1920-AC-SV AC storage units, each with a capacity of 1920 Wh.

This gives the system a PV module output of 940 or 1,880 Wp and a total storage capacity of 5.76 to 11.52 kWh. The Hoymiles HiBattery supports the on-demand storage and use of solar energy. In self-consumption mode, stored electricity can be made available to the household even outside of daylight hours. The Time-of-Use (TOU) mode also enables time-dependent charging and discharging control, for example, to take advantage of suitable electricity rates.

The combination of modern double-glass solar modules, a matching microinverter, and multiple AC storage units allows for flexible adaptation to individual energy needs. The HiBattery uses passive cooling and features integrated protection functions.

Important installation note: This kit uses three to six AC storage units. According to the specified system requirements, a maximum of two batteries may be operated per house phase. The storage units must therefore be distributed across multiple house phases. The electrical installation and integration must be performed by a qualified electrician in accordance with the manufacturer’s specifications. This applies in particular to the version with the Hoymiles HMS-1600-4T and 1600VA rated output power.

Your benefits of the complete set

• Generate your own solar power: Two or four Trina Solar modules provide a total nominal PV output of 940 or 1,880 Wp.
• High storage capacity: Three to six Hoymiles HiBattery storage units provide a total capacity of 5.76 to 11.52 kWh.
• Increase self-consumption: Stored energy can be made available for household use even when the solar modules are generating little or no electricity.
• Flexible configurations: The number of modules, microinverters, and storage capacity can be selected from the available options.
• Smart operating modes: Self-consumption mode and time-of-use control support energy usage tailored to demand.
• Quiet operation: The Hoymiles HiBattery uses fanless cooling via natural convection.

The set includes

• 2 or 4 Trina Solar 470W Vertex S+ double-glass N-type i-TOPCon solar modules (depending on the variant)
• 3 to 6 Hoymiles HiBattery HB-1920-AC-SV AC storage units, each with 1920Wh LiFePO4 (depending on the variant)
• 1x Hoymiles microinverter compatible with the selected PV module configuration:
  • Hoymiles HMS-800-2WB HiFlow 800 Pro for the 940Wp variant
  • Hoymiles HMS-1600-4T for the 1880 Wp variant
• 2x MC4-to-MC4 connection cables, 6 mm², 1 m, red/black
• If necessary, 2x MC4-to-MC4 connection cables, 6 mm², 3 m, red/black (depending on the variant)
• Mounting kit according to the selected variant

Important Notes on Installing 3 to 6 Batteries

The Hoymiles HiBattery HB-1920-AC-SV allows for the combination of multiple AC storage units. With this set of three to six batteries, the specifications regarding phase distribution and the integration of the microinverter must be observed.

• A maximum of two batteries can be stacked to form a tower.
• Starting with the third battery, distribution to an additional house phase is required.
• A maximum of two batteries is allowed per phase.
• With a suitable three-phase home electrical system, a total of up to six batteries can be arranged in three stacks of two.
• Starting with three batteries, the off-grid port for the microinverter is deactivated in accordance with the specified system requirements. The microinverter must then be connected directly to the home electrical system.
• For Hoymiles microinverters without integrated Wi-Fi, a compatible DTU-Lite-S or DTU-Pro-S is required for data transmission.

Please note: The expansion and connection options listed above require a suitable electrical installation and compatibility of the components used. The specific phase distribution and electrical integration must be verified prior to installation based on the current Hoymiles manufacturer specifications.

Trina Solar Vertex S+ 470Wp Double-Glass Solar Module

The Vertex S+ from Trina Solar (MPN: TSM-470-NEG9R.28) is a double-glass solar module with a rated power of 470Wp. The N-type i-TOPCon cell technology and multi-busbar technology support efficient power generation. The high-density cell interconnection reduces the spacing between the solar cells, resulting in high power density.

The double-glass construction ensures high mechanical strength and long-term reliability. Depending on the selected variant, the package includes two or four solar modules with a total rated power of 940 or 1,880 Wp.

Product Features

• N-type i-TOPCon cell technology
• Multi-busbar technology
• High-density cell interconnection
• Robust double-glass construction
• 470 Wp rated power per module

Technical Specifications

• Maximum power (Pmax): 470 Wp
• Module voltage (Vmp): 46.1 V
• Current at maximum power (Imp): 10.20 A
• Open-circuit voltage (Voc): 54.6 V
• Short-circuit current (Isc): 10.89 A
• Operating temperature range: -40°C to +70°C
• Maximum system voltage: 1,500 V DC
• Module efficiency according to specifications: 23.5%
• Weight: 21 kg
• Dimensions: 1,762 x 1,134 x 30 mm

Hoymiles HiBattery HB-1920-AC-SV AC Storage Unit

The HiBattery HB-1920-AC-SV from Hoymiles is a compact AC storage system with a capacity of 1,920 Wh and LiFePO4 battery technology. It supports the storage and later use of solar power and enables demand-based charging and discharging control.

In self-consumption mode, stored energy can be supplied according to current household demand. Time-of-Use mode allows for time-based control of charging and discharging processes. Actual savings depend, among other factors, on the consumption profile, solar power generation, settings, and, where applicable, the electricity rate.

The HiBattery features a compact housing and passive cooling via natural convection. An integrated self-heating system supports operation at low temperatures. Additional protective features, such as overpressure protection and integrated fire safety measures, complement the storage system.

Product Features

• 1,920 Wh storage capacity per battery
• 5.76 to 11.52 kWh total storage capacity with three to six batteries
• LiFePO4 battery technology
• Bidirectional AC charging and discharging function
• Self-consumption mode and time-of-use control
• Integrated self-heating for low ambient temperatures
• Fanless cooling via natural convection
• Quiet operation at less than 17 dB(A) according to the manufacturer
• IP66 protection rating

Technical Specifications per Battery

• Storage capacity: 1920 Wh
• Maximum apparent output power: 800 VA
• Peak apparent output power: 1,200 VA for 10 seconds
• Maximum output current: 3.48 A
• Maximum input apparent power: 1,800 VA
• Maximum input current: 7.83 A
• Protection rating: IP66
• Weight: 24 kg
• Dimensions: 460 x 240 x 203 mm

The electrical performance values listed refer to a single HiBattery. The total usable power of multiple batteries depends on the system configuration, phase distribution, and the manufacturer’s specifications.

The compatible Hoymiles microinverter

Depending on the selected PV module power rating, the set includes a Hoymiles microinverter with two or four independent MPP trackers. The trackers enable individual power optimization of the connected solar modules.

940Wp Complete Set – Hoymiles HMS-800-2WB HiFlow 800 Pro

The Hoymiles HMS-800-2WB HiFlow 800 Pro is a compact microinverter with a rated output of 800VA. It features two independent MPP trackers and is suitable for the two 470Wp solar modules in the 940Wp configuration.

Thanks to built-in Wi-Fi and Bluetooth, operating data can be retrieved without an additional Hoymiles data transmission unit. The IP67-rated housing is designed for outdoor use.

Product Features

• Two independent MPP trackers
• 800 VA rated output power
• Built-in Wi-Fi and Bluetooth
• Monitoring via compatible Hoymiles apps
• IP67 protection rating

Technical Specifications

• Number of MPP trackers: 2
• Rated output power: 800 VA
• Rated output current: 3.48 A
• Ambient temperature range: -40°C to +65°C
• Protection rating: IP67
• Weight: 3.2 kg
• Dimensions: 261 x 180 x 35.1 mm

1880 Wp Complete Set – Hoymiles HMS-1600-4T

The Hoymiles HMS-1600-4T is a microinverter with a rated output power of 1600VA and four independent MPP trackers. It is designed for the four 470Wp solar modules in the 1880Wp configuration and supports individual power optimization of the connected modules.

The inverter features built-in protection functions and an IP67-rated enclosure for outdoor use.

Important Note: Due to its rated output power of 1600VA, this model cannot be classified as a simplified 800VA plug-in solar device. Installation and grid connection must be performed by a qualified electrician. A compatible Hoymiles DTU may be required for system monitoring.

Product Features

• Four independent MPP trackers
• 1600VA rated output power
• Individual power optimization of the connected solar modules
• Integrated protection functions
• IP67 protection rating

Technical Specifications

• Number of MPP trackers: 4
• Rated apparent output power: 1600 VA
• Rated output current: 6.96 A
• Ambient temperature range: -40°C to +65°C
• Protection rating: IP67
• Weight: 5.56 kg
• Dimensions: 331 x 218 x 40.6 mm

Installation and Operation Instructions

The solar modules must be mounted using a suitable, stable mounting system. The connection type, circuit protection, and registration of the system depend on the selected configuration and applicable regulations.

For this kit with three to six Hoymiles HiBattery storage units, the storage units must be properly distributed across multiple phases of the home’s electrical system. The specific connection configuration must be verified by a qualified electrician prior to installation. In particular, the manufacturer’s current specifications regarding the number of batteries per phase and the integration of the microinverter must be observed.

For systems with three or more batteries, the off-grid port for the microinverter is not available in accordance with the specified system requirements. Therefore, power supply during a power outage cannot be assumed as a general rule. The system is not automatically suitable as an emergency power supply for the entire household.