![Fox ESS T-MAX PLUS-AC-V1 125kW / 241kWh Battery Energy Storage System [1]](https://gomagcdn.ro/domains/poweracu.com/files/product/original/fox-ess-t-max-plus-ac-v1-125kw-241kwh-battery-energy-storage-system-493693.jpg "Fox ESS T-MAX PLUS-AC-V1 125kW / 241kWh Battery Energy Storage System [1]")
The Fox ESS T-MAX PLUS-AC-V1 is a fully integrated commercial and industrial battery energy storage solution designed for both grid-connected and off-grid operation. The system combines long-life LFP batteries, a bidirectional PCS inverter, intelligent BMS, power distribution, thermal management, and safety systems in a single outdoor-ready enclosure. With 241 kWh of energy storage and power ratings up to 125 kW, it provides a flexible platform for advanced energy management and backup applications.
Key Benefits
- 241 kWh energy storage capacity
- Available from 50 kW to 125 kW output power
- Long-life LiFePO4 battery technology
- Seamless on-grid/off-grid switching in less than 10 ms
- Compatible with grid, backup loads, and generators
- Intelligent thermal management system
- IP67 battery protection
- Built-in preventive safety and fire protection functions
- Peak shaving and load shedding modes
- Remote monitoring through Fox ESS Cloud
- Plug-and-play installation
- Parallel expansion capability for larger projects
Delivery date: Europe, 5-10 days. Other countries - please check with our sales representative
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Fox ESS T-MAX PLUS-AC-V1 TM241kWh-125kW-AC All-in-One Commercial & Industrial Energy Storage System
The Fox ESS T-MAX PLUS-AC-V1 is an advanced AC-coupled energy storage system developed for commercial and industrial facilities seeking improved energy resilience, lower electricity costs, and reliable backup power.
Featuring a fully integrated architecture, the system combines high-performance LiFePO4 batteries, intelligent battery management, bidirectional power conversion, smart distribution, and thermal management technologies within a single factory-assembled enclosure.
The solution supports utility grid operation, backup loads, and generator integration while providing seamless transfer between operating modes in less than 10 milliseconds. This makes it suitable for manufacturing plants, logistics centers, commercial buildings, hotels, healthcare facilities, and critical infrastructure applications.
Advanced operating modes include peak shaving, load shedding, frequency regulation, and energy optimization. System performance can be remotely monitored via Fox ESS Cloud through Ethernet or 4G communication channels.
Technical Specifications:
| Specification | Value | |
|---|---|---|
| Series | T-MAX PLUS-AC-V1 | |
| Model | TM241kWh-125kW-AC | |
| Battery Capacity | 241 kWh | |
| Battery Chemistry | LiFePO4 (LFP) | |
| Cell Specification | 3.2V / 314Ah | |
| Battery Voltage Range | 672-876 V | |
| Max Charge/Discharge Current | 190 A | |
| Temperature Sensors | 128 | |
| Battery Protection | IP67 | |
| Rated Power | 125 kW | |
| Max Apparent Power | 137.5 kVA | |
| Nominal AC Voltage | 380/400 Vac | |
| Frequency | 50/60 Hz | |
| Power Factor | 0.8 Leading to 0.8 Lagging | |
| THDi | <3% | |
| EPS Output Power | 137.5 kVA | |
| Peak EPS Power (10s) | 155 kVA | |
| LRA Current | 300 A | |
| Transfer Time | <10 ms | |
| Round Trip Efficiency | Up to 91.5% | |
| Communications | Ethernet, 4G | |
| Applications | Grid, Backup Load, Generator | |
| Installation | Outdoor | |
| Scalability | Parallel Expansion Supported |
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Data Sheet Fox ESS T-MAX PLUS-AC-V1 125kW / 241kWh
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