SC261L125P-06W combines a 261.2 kWh liquid-cooled battery with a 125 kW inverter in an all-in-one commercial and industrial storage cabinet. The system supports integrated solar-storage-diesel operation and seamless on-grid / off-grid switching.
Key Features
- 261.2 kWh nominal energy and 125 kW inverter
- Liquid-cooled LiFePO4 battery
- Active balancing BMS technology
- Integrated solar-storage-diesel hybrid BESS
- Seamless on-grid / off-grid switching
- Supports up to 10 units in parallel; the datasheet recommends a Solis power distribution cabinet for more than 6 units
Companion Inverter Specifications — S6-EH3P125K10-NV-YD-H
Specifications for the S6-EH3P125K10-NV-YD-H companion inverter supplied with SC261L125P-06W.
Inverter Features
- Supports PV input up to 200% of the inverter's rated DCpower, maximising solar utilisation
- AI-Powered & VPP-Ready – maximise savings unlock additional income
- Smart port enables multiple energy source inputs, including grid-tied inverters, diesel generators, and wind turbines
- Supports battery charge/discharge current up to 200A, ideal for peak-valley arbitrage and frequency regulation applications
- Supports DC and AC coupling for PV, allowing flexible system expansion and retrofitting
- Supports up to 10 units in parallel. For systems with more than 6 units, use of a power distribution cabinet is recommended
Input DC (PV side)
| Recommended max PV array size | 250 kW |
|---|---|
| Max. usable PV input power | 250 kW |
| Max. input voltage | 1000 V |
| Rated voltage | 600 V |
| Start-up voltage | 180 V |
| MPPT voltage range | 150 – 950 V |
| Max. input current | 10 × 42 A |
| Max. Short circuit current | 10 × 60 A |
| MPPT number/max. Input strings number | 10 / 20 |
Battery
| Battery type | Li-ion |
|---|---|
| Battery voltage range | 300 – 950 V |
| Max. charge / discharge current | 200 A / 100 A + 100 A |
| Number of battery ports | 2 |
| Max. charge / discharge current of each port | 100 A |
| Communication | CAN / RS485 |
Output AC (Grid side)
| Rated output power | 125 kW |
|---|---|
| Max. apparent output power | 125 kVA |
| Rated grid voltage | 3/N/PE, 220 V / 380 V, 230 V / 400 V |
| Rated grid frequency | 50 Hz / 60 Hz |
| Power factor | > 0.99 (0.8 leading – 0.8 lagging) |
| THDi | < 3% |
Input AC (Grid side)
| Max. input current | 250 A |
|---|
Output AC (Back-up)
| Rated output power | 125 kW |
|---|---|
| Max. apparent output power | 1.2 times of rated power, 100 s; 1.4 times of rated power, 10 s; 1.6 times of rated power, 200 ms |
| Back-up switch time | < 10 ms |
| Rated output voltage | 3/N/PE, 220 V/ 380 V, 230 V/ 400 V |
| Rated frequency | 50 Hz / 60 Hz |
| THDv (@linear load) | < 2% |
Input AC (Generator)
| Max. input power | 125 kW |
|---|---|
| Rated input current | 189.9 A / 180.4 A |
| Rated input voltage | 3/N/PE, 220 V/ 380 V; 3/N/PE, 230 V/ 400 V |
| Rated input frequency | 50 Hz / 60 Hz |
Efficiency
| Max. efficiency | 97.6% |
|---|---|
| EU efficiency | 97.2% |
| BAT charged / discharged to AC max. efficiency | 97.0% |
Protection
| Anti-islanding protection | Yes |
|---|---|
| Output over current protection | Yes |
| Short circuit protection | Yes |
| Integrated DC switch | Yes |
| DC reverse-polarity protection | Yes |
| Surge protection | DC Type II / AC Type II |
| Integrated AFCI 2.0 | Optional |
| Protection class/ Over voltage category | I/ DCII, ACIII |
General Data
| Max. allowable phase imbalance (grid & back-up) | 100% |
|---|---|
| Max. power per phase (grid & back-up) | 41.66 kW |
| Dimensions (W× H × D) | 1174 × 814 × 400 mm |
| Weight | 170 kg |
| Topology | Transformerless |
| Operating ambient temperature range | -25 ~ +60°C |
| Relative humidity | 0 – 100% |
| Ingress protection | IP66 |
| Cooling concept | Intelligent fan-cooling |
| Max. operation altitude | 3000 m |
Inverter Standards
| Grid connection standard | G99, VDE-AR-N 4105/VDEV0124, EN 50549-1&2/EN 50549-10, VDE0126/UTEC15/VFR:2019, NTS631/RD 1699/RD 244/UNE206006/UNE206007-1, CEI 0-21, C10/11, NRS097-2-1, TOR, EIFS2018.2, IEC62116, IEC61727, IEC60068, IEC61683, EN 50530, MEA, PEA, PORTARIA Nº 140, DE 21 DE MARÇO DE 2022 |
|---|---|
| Safety / EMC standard | IEC/EN 62109-1/-2, IEC/EN 61000-6-2/-4, EN 55011 |
Features
| PV connection | MC4 Quick connection plug |
|---|---|
| Battery connection | Terminal connector |
| AC connection | Terminal block |
| Display | 7.0" LCDdisplay & Bluetooth + APP |
| Communication | CAN, RS485-115200, Ethernet, Optional: Wi-Fi, Cellular, LAN |
Downloads
Designed Around Your Energy Needs
Integrated Hybrid Energy Storage
An integrated C&I system brings battery storage and hybrid inverter functions together for solar, grid and generator project designs.
Liquid Cooling and Active Balancing
Liquid cooling manages battery temperature while active balancing supports cell consistency across the battery system.
Flexible Energy Management
Plan operation around solar self-consumption, peak shaving, demand mitigation and electricity price differences according to your site's needs.
Modular System Expansion
Multiple units can be configured in parallel for larger projects, with the electrical distribution and control design sized for the installation.
Applications for SC261L125P-06W
Frequently Asked Questions
What is the SC261L125P-06W designed for?
It is an all-in-one commercial and industrial energy storage system for projects combining battery storage with grid, solar or generator power. Select the configuration against your site loads and operating goals.
Can the system be combined with solar or a diesel generator?
The documented hybrid design supports solar-storage-diesel integration. The inverter section includes DC and AC coupling and a smart port for additional energy sources. The connection design and source ratings should be checked for your project.
Can multiple units operate in parallel?
The current datasheet supports up to 10 units in parallel. For systems with more than 6 units, a Solis power distribution cabinet is recommended. Confirm the distribution, protection and control design for the selected system size.
How does the system support backup operation?
The documented hybrid inverter provides a backup output and on-grid/off-grid switching. Backup load capacity and runtime depend on the installation design, state of charge and connected loads; review these requirements when sizing the project.
How is the battery temperature managed?
The battery uses liquid cooling and an active-balancing BMS. Installation planning should follow the documented operating conditions, ventilation and service requirements for the cabinet and inverter.
What should I send to request a quotation?
Share your project country, load profile, solar capacity, grid connection, backup requirements, available installation space and preferred number of units. Our team can then review the configuration with you.
Discuss Your Commercial Energy Storage Project
Share your site requirements and operating goals. We can help you review an SC261L125P-06W configuration and prepare a project quotation.




