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Ready-to-install single-phase backup power kit
Ready-to-install kit&based on the Victron Energy MultiPlus-II 48/8000/110-100 230V 8kVA / 6.4kW inverter and a Sunlight Power ESS LiFePO₄ battery 51.2 V 100 Ah. Provides an energy reserve of 10.24 kWh, automatic switching between the grid and the battery (≤20 ms), and a high charging rate—up to 1.6 h. The duration of autonomous operation is specified in the technical specifications depending on the load power.
Unlike budget alternatives, this kit features unique technological capabilities, ensuring comfort, stability, and full control over the power supply for your home or business.
Advantages of the TMS 230V Kit
⚡ High transmission capacity from the grid
When grid power is available, the system can handle up to 22 kW, allowing you to run multiple high-power devices simultaneously without restrictions. The limit to the inverter’s rated power of 6.4 kW applies only battery operation when the grid is unavailable.
🚀 Peak power 15 kW
Thanks to its high overload capacity, the system easily powers high-performance pumps, refrigeration compressors, HVAC equipment, and electric motors—even when running on battery power.
🔋 Fast battery charging
The built-in powerful charger allows you to fully charge the battery in just 1.6 hours., so the system is always ready for new outages.
The battery charging process is controlled by the built-in BMS (Battery Management System), which continuously exchanges information with the charger during charging. Voltage and current are adjusted according to the battery’s requirements.
This feature makes the backup power system completely safe to use.
📱 Full control from your smartphone
Thanks to the apps VictronConnect and VRM Portal you get full control over the system in real time. On the screen, you can see:
- presence or absence of grid power;
- current load;
- battery charge level (%);
- charger status.
- switch to battery power;
- restoration of power supply;
- critical battery discharge or overheating;
- startup or shutdown of the generator (if connected);
- any errors or overloads.
Use convenient Victron widgets to quickly monitor the system status right on your phone’s home screen.
⚙️ PowerControl and PowerAssist
If your grid is weak and the circuit breaker trips frequently, the Victron MultiPlus system can help. Thanks to the PowerControl and PowerAssist features, the inverter supplements grid power with battery power, allowing you to safely use high-power appliances.
📞 Call our managers to find out how this feature can help you specifically.
☀️ Solar Ready — ready for solar energy
All system components are fully ready for operation as part of a solar power plant. MultiPlus inverters support communication with Fronius, SMA, ABB, and SolarEdge grid-tied inverters, making it easy to convert an existing system into a hybrid setup—with the ability to store energy in batteries and operate even without grid connection!
🔄 Scaling
MultiPlus inverters can be connected in parallel or in a three-phase configuration. You can start with a single-phase solution, and then expand the capacity or switch to a three-phase system. Sunlight batteries support up to 32 modules in parallel, thanks to special firmware developed for Victron Energy inverters.
🛡️ 100% safe to use
The kit is installed in accordance with all manufacturer requirements and the actual conditions at the customer’s site. The system continuously analyzes hundreds of parameters— from load and voltage to temperature and battery condition. In case of any deviation from the norm, a service notification is sent to the service center of Total-Energo LLC and to the user.
🧾 Warranty and Certification
Installation is performed in accordance with the manufacturers’ instructions, which guarantees free replacement of components under warranty (5 years). For private, commercial, and government clients, an annual maintenance agreement is available, which includes:
- software updates to the latest version
- analysis and monitoring of parameters
- inspection of connections and assemblies
The kit includes
1 × Cerbo GX MK2 Victron Energy Communication Center
1 × Victron MultiPlus-II 48/8000/110-100 Inverter — 48/230V 8kVA/6.4kW Hybrid
1 × Victron Lynx Power In 1000 (M10) Modular Distribution Busbar
1 × Battery Switch ON/OFF 275A
2 × Victron MEGA-fuse 100A/80V fuse
1 × Victron MEGA-fuse 300A/80V
2 × Sunlight Power ESS LiFePO₄ Battery 51.2V 100Ah with built-in BMS
1 × Configuring the MultiPlus inverter with LiFePO₄ batteries
1 × Installation kit for consumables 230V 10–15kW
1 × 19" 16U Battery Rack (400 mm depth)
2 × 400 mm 1U 19" Battery Shelf
⚙️ Installation Algorithm
For low-capacity systems, installation takes a few hours; for high-capacity systems, it can take up to 2–3 days. The implementation process is roughly the same for most installations
Needs Assessment
The first stage, during which the manager identifies the tasks that the UPS system must address. This allows us to develop a preliminary technical specification.
Preliminary Calculation
To agree on the cost of the system and select the optimal configuration.
Reservation and payment
Reserving the necessary parts in stock, generating an invoice, and, if necessary, preparing a supply contract.
Engineer visit to assess the site
An on-site inspection is sometimes mandatory, for example, when installing high-power systems, or for additional work, such as when an uninterruptible power supply (UPS) needs to be integrated with an existing generator.
Preparation of consumables
Mounting hardware, AC and DC cables, protective and insulating materials, etc.
Electrical installation work
Delivery and electrical installation work usually take place on the same day. Installation time ranges from a few hours to several days for high-power systems. The cost of delivery and electrical installation services is calculated separately for each case.
Commissioning and Testing
Configuration and verification of the uninterruptible power supply (UPS) operation in all modes: charging, discharging, simulation of power loss and restoration, etc.
Handover of documentation and control rights
Warranty card and, if necessary, additional documents (certificates, delivery notes, etc.), as well as user training. User registration for the VRM cloud service and transfer of rights for monitoring and operating the system. If necessary – assistance with installing apps on a phone for control and configuring push notifications.
Online support via VRM
The UPS will be under constant monitoring to ensure there are no signs of potential power or battery capacity issues. The service center monitors all technical parameters of each component to ensure they remain within normal ranges.
Consulting
Throughout the entire service life, we provide remote assistance and answer your questions. If necessary, engineers will visit the site.
Annual Maintenance
We strongly recommend performing annual maintenance on the systems to ensure 100% compliance with manufacturers' requirements.
💬 Consultation
We support our clients at every stage— from equipment selection to post-warranty service.
Call us or submit a request on the website — engineers at Total-Energo LLC will select the optimal system configuration tailored to your specific needs.
Call us or submit a request on the website — engineers at Total-Energo LLC will select the optimal system configuration tailored to your specific needs.