225kWh PV Energy Storage System Battery Cabinet
Cooling Type: Air-cooling
Output Voltage: AC 380V / 400V
Output Frequency: 50Hz / 60Hz
Class of Protection: IP54(outdoor)
Certificates: CE/IEC/UN38.3/MSDS
MOQ:1set
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Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of 225kwh pv energy storage system battery cabinet in China. If you're going to buy customized 225kwh pv energy storage system battery cabinet made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.
What Is a 225kWh PV Energy Storage System Battery Cabinet?
A 225kWh PV energy storage system battery cabinet is a single, weatherproof enclosure that stores electricity generated by a photovoltaic array or bought from the grid at off-peak tariff, then discharges it to the load when energy is expensive or the grid is down.
Unlike a containerized BESS (typically 1 MWh and above), a 225 kWh battery cabinet sits in the 200–250 kWh "sweet spot": one cabinet is enough to shave peak demand for a factory, supermarket, hotel or telecom site, yet it still arrives pre-wired and pre-commissioned on a single skid - no on-site container lifting, no separate inverter room, no separate fire room.
What is inside the cabinet?
| Component | Function inside the 225kWh PV energy storage cabinet |
|---|---|
| LiFePO4 battery modules | 314 Ah Grade-A prismatic cells; 51.2 V / 16.07 kWh modules × 14 in series = 225 kWh |
| Hybrid PCS (bi-directional inverter) | 100 kW AC output; converts PV DC and battery DC to AC, and rectifies grid/generator AC to charge the battery |
| 3-tier BMS | Cell / module / rack monitoring of voltage, current, temperature, SOC, SOH, insulation resistance |
| EMS controller | Peak-valley scheduling, PV self-consumption logic, demand-charge limiting, generator start/stop |
| Thermal management | Industrial air conditioner keeps cells at 20–30 °C; liquid cooling optional for > 45 °C sites |
| Fire suppression system | Aerosol suppression + smoke / heat / CO detection + exhaust + audible & visual alarm |
| AC/DC distribution & ATS | 250 A automatic transfer switch between grid, generator and battery; 250 A × 4 AC breakers |
| Outdoor enclosure | IP55, C4 anti-corrosion coating, -30 °C to +55 °C operating range |
| Cloud gateway | CAN / RS485 / Ethernet, Modbus TCP; web + mobile monitoring, OTA firmware |
Planning a 225kWh Energy Storage Project?
Share your load profile, installation site, and grid requirements - our engineers will evaluate your project and send a tailored configuration within 24 hours.
225kWh PV Energy Storage Battery Cabinet - Full Technical Specifications
Battery parameters
| Item | Specification |
|---|---|
| Cell chemistry | LiFePO4 (LFP), Grade-A prismatic, 314 Ah |
| Module | 51.2 V / 16.07 kWh |
| Configuration | 14 modules in series (1P14S) |
| Rated energy | 225.28 kWh |
| Usable energy @ 90% DOD | ≈ 202 kWh |
| Nominal voltage | 716.8 V DC |
| Operating voltage range | 627.2 – 806.4 V DC |
| Rated charge / discharge current | 150 A (75 A + 75 A dual branch) |
| Charge / discharge rate | 0.5 P standard, 1 P optional |
| Cycle life | ≥ 6,000 cycles (0.5P, 25 ± 2 °C, 70% SOH) |
| Design service life | 15 years |
AC output - on-grid
| Item | Specification |
|---|---|
| Rated output power | 100 kW |
| Max apparent power | 110 kVA |
| Rated grid voltage | 400 / 230 V, 3P+N+PE (380 / 220 V configurable) |
| Rated output current | 144 A |
| Grid frequency | 50 / 60 Hz (± 5 Hz) |
| Power factor | 0.99, adjustable 0.8 leading – 0.8 lagging |
| Output THDi | < 3% at nominal power |
| Overload capability | 110% continuous, 120% for 10 s |
AC output - off-grid / backup
| Item | Specification |
|---|---|
| Rated off-grid power | 100 kW |
| Peak off-grid power | 110 kW, 10 s |
| Motor starting capacity | ≤ 40 HP (≈ 30 kW) |
| ATS / switch time | ≤ 10 ms typical |
PV (solar) side
| Item | Specification |
|---|---|
| Max PV array power | 120 kWp (up to 150 kWp at 1.5 DC/AC ratio) |
| Max PV input voltage | 1,000 V DC |
| MPPT voltage range | 150 – 850 V DC |
| MPPT trackers | 4 independent |
| Max input current per MPPT | 40 A (short-circuit 60 A) |
Grid / generator input
| Item | Specification |
|---|---|
| ATS rating | 250 A |
| Inverter bypass current | 200 A |
| AC breaker | 250 A × 4 |
| Generator input | Supported, with dry-contact auto start |
| Grid input voltage range | 0.85 Un – 1.10 Un |
General, safety and environmental
| Item | Specification |
|---|---|
| Cooling method | Industrial air conditioner 1.5 kW (liquid cooling optional) |
| IP rating | IP55 outdoor |
| Anti-corrosion grade | C4 (C5-M optional for coastal sites) |
| Fire protection | Aerosol suppression + smoke / heat / CO detection + exhaust fan + sound & light alarm |
| Operating temperature | -30 °C to +55 °C (derating below -15 °C or above 45 °C) |
| Relative humidity | 0 – 95%, non-condensing |
| Max working altitude | 3,000 m (derating above 2,000 m) |
| Noise | ≤ 70 dB @ 1 m |
| Dimensions (W × D × H) | 1,400 × 1,300 × 2,300 mm |
| Weight | ≈ 2,650 kg |
| Communication | CAN / RS485 / Ethernet; Modbus TCP, IEC 60870-5-104 optional |
| Compliance (target) | IEC 62619, IEC 62477-1, IEC 62109-1/2, UN38.3, MSDS, GB/T 36276, CE |
How a 225kWh Solar Energy Storage Cabinet Works with Your PV Plant
The 225kWh PV energy storage system battery cabinet manages four power sources - PV array, grid, diesel generator and the battery itself - through one bi-directional PCS:
- Solar charging. PV strings feed 4 MPPT channels (150–850 V). DC power charges the LFP bank directly at up to 100 kW; surplus PV can be exported or curtailed by the EMS.
- Off-peak charging. Under a time-of-use tariff, the EMS charges from the grid during the valley window and keeps a configurable reserve SOC for backup.
- Peak discharge. When site demand crosses the contracted threshold, the cabinet discharges at up to 100 kW so the meter never sees the peak - this is what removes the demand-charge component of your bill.
- Backup transfer. On grid failure, the 250 A ATS isolates the site and the PCS re-establishes the bus in ≤ 10 ms, so critical loads never drop. Generators are auto-started only when SOC falls below the set floor.
All four modes are configured in the cloud EMS; no site visit is needed to change strategy.
Need the 225 kWh cabinet price and payback model?
Send 12 months of load data - our engineers return a priced configuration with single-line diagram.
Key Features of the 225kWh Commercial Battery Cabinet
1. 6,000-cycle LiFePO4 chemistry sized for a 15-year asset.
314 Ah Grade-A cells at 0.5P retain ≥ 70% SOH after 6,000 cycles - roughly 16 years at one full cycle per day. LFP also removes thermal-runaway propagation risk and the cobalt cost volatility of NMC packs.
2. True all-in-one PV + storage + backup architecture.
Battery, 100 kW hybrid PCS, MPPT, ATS, fire system and distribution sit in one enclosure. AC in, PV in, load out - there is no separate inverter room and no external fire panel to build.
3. 120 kWp PV headroom on 4 MPPT trackers.
A 1.2–1.5 DC/AC ratio lets a 225 kWh cabinet absorb a full rooftop array even on mixed orientations, and still charge the battery on cloudy days.
4. ≤ 10 ms ATS with 250 A generator bypass.
Critical loads (cold chain, data rooms, hospital circuits, telecom rectifiers) ride through outages without a UPS dropout, and diesel runtime is cut by 60–80% because the battery carries the night load.
5. IP55 / C4 outdoor construction.
Air-conditioned thermal control holds cells at 20–30 °C from -30 °C to +55 °C ambient, and the C5-M coating option is available for coastal and desert projects.
6. Fleet-level cloud EMS on one login.
Peak-valley schedules, demand limits, alarm push, firmware OTA and multi-cabinet parallel control - managed from a browser or the mobile app, across every site you operate.
225kWh Battery Cabinet Runtime: How Long Does 225 kWh Last?
Runtime depends on load, depth of discharge, inverter efficiency (~95%) and ambient temperature. The table assumes 202 kWh usable (90% DOD) at 25 °C:
| Average site load | Approx. runtime on one full charge |
|---|---|
| 25 kW | ≈ 7.7 hours |
| 50 kW | ≈ 3.8 hours |
| 75 kW | ≈ 2.5 hours |
| 100 kW (rated) | ≈ 1.9 hours |
225kWh vs 215kWh vs 241kWh Battery Cabinet - Which Capacity Do You Need?
| Model | Cell config | Rated energy | Best for | Difference |
|---|---|---|---|---|
| 215 kWh cabinet | 51.2 V 280 Ah × 15 | 215.0 kWh | Standard commercial backup & peak shaving | Lowest capex per site; shorter runtime |
| 225 kWh cabinet | 51.2 V 314 Ah × 14 | 225.1 kWh | C&I solar self-consumption, 2-hour peak shaving, backup | Best energy-to-footprint ratio; 1 cabinet = 1 MWh block of 4 |
| 241 kWh cabinet | 51.2 V 314 Ah × 15 | 241.2 kWh | Longer backup autonomy, higher reserve | ~7% more energy, ~7% more capex |
Peak Shaving & Solar Self-Consumption: ROI of a 225kWh C&I BESS
A 225 kWh cabinet running one full arbitrage cycle per working day shifts about 74,000 kWh per year. Annual saving scales directly with your peak-to-valley tariff spread:
| Peak-to-valley spread | Energy shifted / year | Approx. annual saving |
|---|---|---|
| USD 0.08 / kWh | 74,250 kWh | ≈ USD 5,940 |
| USD 0.12 / kWh | 74,250 kWh | ≈ USD 8,910 |
| USD 0.18 / kWh | 74,250 kWh | ≈ USD 13,365 |
| USD 0.25 / kWh | 74,250 kWh | ≈ USD 18,560 |
These figures cover energy arbitrage only. Demand-charge reduction (typically the larger line item for C&I tariffs), diesel displacement and PV self-consumption gains are additional and project-specific.
Installation, Site Preparation & Delivery of Your 225kWh Energy Storage Cabinet
- Foundation - level concrete pad or channel-steel base, ≥ 3,000 kg static load, 100 mm above grade to avoid standing water.
- Clearance - ≥ 800 mm maintenance space in front, ≥ 500 mm at the air-conditioner side, no overhead obstruction above the cabinet.
- Cabling - AC grid input, AC load output, PV DC input (4 pairs), earthing (≤ 4 Ω), CAT6 to the cloud gateway (4G/5G router optional).
- Lifting - forklift pockets or top lifting lugs; one 40HQ container holds cabinets.
- Commissioning - factory pre-charged to 30% SOC and pre-tested; typical on-site commissioning is 1 day by two technicians, with remote support from our engineers.
Before We Quote, Please Share Your Project Details
To provide the most accurate configuration and pricing, our engineers need: project location & application, load profile & peak demand, required backup duration, and installation site conditions.
FAQ
How much solar PV can a 225kWh battery cabinet accept?
Up to 120 kWp nominal, with 150 kWp permissible at an oversized DC/AC ratio. Four independent MPPT trackers (150–850 V, 40 A each) handle mixed roof orientations.
Can the 225kWh cabinet run fully off-grid with a diesel generator?
Yes. The 250 A ATS manages grid, generator and battery priority; the PCS provides 100 kW continuous / 110 kW peak off-grid with ≤ 10 ms transfer, and the EMS auto-starts the generator at a user-set SOC floor so diesel runtime drops by 60–80%.
Is the 225kWh energy storage cabinet air-cooled or liquid-cooled?
Standard is air conditioning (1.5 kW industrial AC) with a -30 °C to +55 °C ambient range. Liquid cooling is optional for sites above 45 °C ambient or where 1P cycling is required.
What is the price of a 225kWh energy storage battery cabinet?
Price depends on PCS rating, cooling type, certification package and quantity.
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