BESS Solar Power Systems (40–125kVA)

125kW BESS System: 261kWh LFP Container

This 125kW BESS system is our largest standard package: a 125kW hybrid inverter paired with 261kWh of LFP storage for factories and microgrids. The 125kW BESS ships as a certified container with EMS and remote monitoring.

125kW BESS container package staged for export at the Mars Solar Foshan factory

125kW BESS Specifications

ModelMS-125kw+261kwh BESS
TypeOff-Grid / Hybrid BESS Solar System
Rated Power125kW
Battery Storage261kWh
Output Voltage110V~800V
MOQ1 set — OEM & ODM accepted
CertificatesCE / RoHS · IEC 62619 · UN38.3 · ISO 9001
Payment TermsT/T — 30% deposit, 70% before shipment (50/20 for long-term partners)
Lead Time3–30 days depending on system scale
Warranty25-y solar panels · 10-y inverter · 5–10-y LFP battery · 2-y integration

All systems are quoted by configuration and destination port. Share your load profile and location, and we will return a firm CIF quotation within 24 hours.

  • ✓ 125kWp N-type TOPCon solar array — roughly 500–560 kWh per day in typical equatorial sun
  • ✓ 261kWh LFP cabinet: about 5 hours of autonomy at a 50kW average load
  • ✓ 125kW 3-phase hybrid inverter with built-in MPPT and AC grid charger
  • ✓ 72-hour full-load factory test before shipment
  • ✓ Plug-and-play commissioning with remote monitoring
125kW BESS wiring, inverter and BMS detail during factory quality control

What the System Includes

ComponentDetails
Solar PanelsN-type TOPCon half-cell modules (~625W class), 23% transfer efficiency, 25-year linear power warranty
Hybrid Inverter125kW PCS with built-in MPPT, AC grid charger, 3-phase output, anti-islanding protection
Energy Storage Cabinet261kWh LFP battery with built-in BMS & EMS, air cooling, 6,000+ cycles
Mounting SystemRooftop or ground-mount structures, customized to site survey
Cables & ConnectorsFull PV cable set, MC4 connectors, battery cables, DC breakers & SPD

Factories, cold-chain warehouses, island resorts, and mining camps needing round-the-clock power without grid reliance.

Product FAQ

How much does a 125kW BESS cost?
Storage typically adds 35–50% of total system cost. Derived from our verified 100kW + 215kWh container reference of CIF $88,000–115,000, installed LFP storage works out around $145–265 per kWh. Send us your load profile and we will return a firm CIF quote within 24 hours.
How long does a 125kW BESS take to pay back?
Under 18 months when it displaces diesel generation, 3–5 years against peak grid tariffs. The LFP bank is rated 6,000+ cycles at 80% depth of discharge — roughly 16 years at one cycle per day.
Which certifications and import approvals apply?
CE / RoHS, IEC 62619 for the cells and UN38.3 for transport, built under ISO 9001 factory QA. Destination paperwork — SONCAP, BPS, SASO or DEWA — is prepared per shipment.
Can this system run a site with no utility grid?
Yes. The hybrid inverter forms its own stable 3-phase grid from the LFP battery bank, and solar input is prioritized automatically. A diesel genset can be wired into the inverter's AC input as backup, so the site keeps running through multi-day bad weather.
Can several units be paralleled for a larger plant?
Yes. Both the inverters and the battery cabinets support parallel connection — the 40–125kVA line is the building block we scale up to multi-MW plants (see our 6MW Nigeria factory project). Tell us your target capacity and we will propose a parallel configuration.
What can a 125kW + 261kWh system power?
Typical real-world loads: a mid-size factory with 80–120kW daytime demand, a resort with 60–80 rooms plus kitchen and laundry, or a cold-storage facility with several large compressors. The 125kWp array harvests roughly 500–560 kWh per day in good sun; the 261kWh bank covers evening peaks and overnight essentials.

125kW BESS Price & Payback

What moves the 125kW BESS price? Module pricing first: tier-1 modules currently run $0.28–0.48 per watt FOB. Inverter class, mounting type and cable runs come next, and where batteries are included, storage typically adds 35–50% of the total system cost. Sea freight and clearing usually add 20–35% over FOB to reach West African or Southeast Asian ports.

Cost factorTypical figure (2026)
Solar modules$0.28–0.48 per watt FOB, tier-1 supply
Sea freight & landed costTypically +20–35% over FOB to West Africa / Southeast Asia ports
Storage share35–50% of total system cost where batteries are included
Payback3–5 years against grid power; under 18 months when replacing diesel

For a verified reference point: our most-ordered 100kW solar system paired with a 215kWh BESS cabinet quotes CIF $88,000–115,000 to ports such as Lagos or Manila. Every Mars Solar quote is factory-direct: FOB from our Foshan plant or CIF to your port, with the full certification dossier included.

For country-level landed-cost math, read the BESS import and payback guide for Nigeria, and see the 6MW + 20MWh industrial complex project in Nigeria for how the same hardware performs in the field. The IEA solar PV market track is a good neutral reference for global module price direction.

Need a Custom Configuration?

Send us your load profile and location — we return a firm CIF quotation within 24 hours.