Split by function
The main battery cabinet and right-side power-conversion module retain distinct physical roles.
Energy Storage / Focal / Commercial & Industrial
Focal Vault
A split outdoor energy storage system pairing a battery cabinet with a right-side inverter or PCS module.
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Focal · Commercial & Industrial
Product overview
Vault separates the C&I system into a main outdoor battery cabinet and a right-side inverter or PCS module. The split is visible, deliberate and easy to read at product level.
Focal takes its name from the point where an orbit is organised: a C&I series for bringing storage, conversion and control together.
Back to Commercial & Industrial energy storage At a glance
- 50 kW / 241 kWh configuration
- 80 kW / 261 kWh configuration
- Battery IP54; inverter IP65 / IP66
Product architecture
Define the system boundary first
The battery and conversion functions remain coordinated without being hidden in one cabinet. That makes the AC-side choice an explicit part of project configuration.
Outdoor cabinet logic
Vault is shaped as an outdoor C&I system rather than an open equipment-room rack.
Functional HMI
The local interface is treated as an operational tool within the industrial enclosure.
Published product boundary
Inside Focal Vault
- Outdoor battery cabinet
- Right-side inverter or PCS module
- Functional cabinet HMI
Project coordination
Confirm around the product
- Site AC distribution and protection
- Energy-management and communications scope
- Civil layout and service clearances
Configuration shortlist
A focused product range
Each product stays focused on one or two published configurations. Installation, voltage, enclosure, interface and power-conversion choices stay visible without turning every option into another SKU.
- Power and energy
-
- 50 kW / 241 kWh
- 80 kW / 261 kWh
- System topology
-
- Outdoor battery cabinet with external hybrid inverter
- Enclosure protection
-
- Battery cabinet IP54
- Inverter IP66 at 50 kW
- Inverter IP65 at 80 kW
- Local interface
-
- Cabinet HMI
- Inverter display
- Cooling and safety
-
- Smart liquid cooling
- Gas detection and ventilation
- Aerosol suppression
- Published configuration 01 Technical data available
50 kW / 241 kWh split system
A liquid-cooled IP54 battery cabinet paired with an external IP66 50 kW hybrid inverter.
- 50 kW
- 241 kWh
- 648–876 V battery
- IP54 / IP66
Final compatibility and project-specific settings are confirmed during system design.
- Published configuration 02 Technical data available
80 kW / 261 kWh split system
A higher-power split configuration pairing a 261 kWh liquid-cooled cabinet with an external IP65 inverter.
- 80 kW
- 261 kWh
- 650–949 V battery
- IP54 / IP65
Final compatibility and project-specific settings are confirmed during system design.
Application fit
Start with the project
Application fit shows where to begin the engineering conversation. Final compatibility and performance are confirmed during project review.
Outdoor C&I projects
Consider Vault where the storage system needs a cabinet-based outdoor equipment boundary.
Visible functional separation
Use the split architecture when battery and conversion equipment should remain physically legible.
Project-specific AC design
Choose the inverter or PCS path only after the site voltage, power and interconnection scope are confirmed.
Published technical data
Technical data by configuration
Compare the one or two mainstream configurations selected for this product. Final controls, protection and market-specific settings remain part of project design.
Focal Vault
50 kW / 241 kWh split system
A liquid-cooled IP54 battery cabinet paired with an external IP66 50 kW hybrid inverter.
| Parameter | Value |
|---|---|
| Battery energy | 241 kWh |
| Battery voltage range | 648–876 V DC |
| Cell type | LFP, 314 Ah |
| Cabinet dimensions | 1,150 × 2,230 × 1,335 mm |
| Approx. cabinet weight | 2,700 kg |
| Ingress protection | IP54 |
| Corrosion protection | C3 |
| Cooling | Smart liquid cooling |
| Parameter | Value |
|---|---|
| Rated AC power | 50 kW |
| Rated AC voltage | 380 / 400 V, 3P + N + PE |
| Max. PV array power | 100 kWp |
| MPPT voltage range | 180–850 V DC |
| Inverter ingress protection | IP66 |
| Inverter dimensions | 630 × 953 × 337 mm |
| Battery operating temperature | −20–60°C; derating above 45°C |
Focal Vault
80 kW / 261 kWh split system
A higher-power split configuration pairing a 261 kWh liquid-cooled cabinet with an external IP65 inverter.
| Parameter | Value |
|---|---|
| Battery energy | 261 kWh |
| Battery voltage range | 650–949 V DC |
| Cell type | LFP, 314 Ah |
| Cabinet dimensions | 1,150 × 2,230 × 1,335 mm |
| Approx. cabinet weight | 2,700 kg |
| Ingress protection | IP54 |
| Corrosion protection | C3 |
| Cooling | Smart liquid cooling |
| Parameter | Value |
|---|---|
| Rated AC power | 80 kW |
| Rated AC voltage | 220 / 380 V or 230 / 400 V |
| Grid connection | 3L + N + PE |
| Max. PV input power | 128 kW |
| MPPT voltage range | 150–850 V DC |
| Inverter ingress protection | IP65 |
| Battery operating temperature | −20–60°C; derating above 45°C |
Prepare a useful enquiry
Bring these four project inputs to the first sizing conversation:
- Site load profile
- Target power and duration
- Grid voltage
- Outdoor and service constraints
Certifications and compliance
- CE
- SGS
- DEKRA
- UL
- VDE
- Bureau Veritas
- INMETRO
Certification and conformity marks apply to the product family; final applicability follows the selected configuration and destination market.
Focal series
Choose by system boundary
Each sibling keeps a distinct role. Compare the product form and published configurations first, then confirm the final project design.
Core
Focal Core
An open 19-inch rack battery architecture that keeps the battery packs visible and brings low- and high-voltage configurations into one maintainable platform.
View Focal CoreCurrent product
Focal Vault
A split outdoor energy storage system pairing a battery cabinet with a right-side inverter or PCS module.
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Unity
Focal Unity
A single-cabinet C&I system integrating battery, PCS, BMS, liquid cooling and fire protection behind one unified enclosure.
View Focal UnityTurn architecture into a project plan
Share the site load profile, AC architecture and installation constraints so the correct verified Vault conversion path can be selected.