Sinexcel SES-90K Outdoor Battery Energy Storage System (BESS)

Sinexcel SES-90K Outdoor Cabinet BESS — 90kW / up to 266kWh

What it does: An all-in-one commercial/industrial battery energy storage system — combines battery, inverter, controls, cooling, and fire safety in a single outdoor cabinet for peak shaving, backup power, and renewable integration.

Key specs:

• Power output: 90kW | Storage capacity: up to 266kWh
• Solar input (optional): up to 135kW
• Voltage compatibility: 208V, 400V, 480V three-phase
• Operating temp: -20°C to 55°C | Altitude: up to 3,000m

What's integrated in one cabinet:

• Battery storage
• Bidirectional PCS (power conversion system)
• Energy Management System (EMS)
• HVAC cooling
• Fire suppression system
• Protection and switching equipment

Built for: Commercial buildings, manufacturing facilities, warehouses, agricultural operations, EV charging infrastructure, municipal facilities, microgrids

Why it matters:

• All-in-one design = simpler installation, lower project costs vs. assembling separate components
• Grid-tied or off-grid capable = energy arbitrage, backup power, or fully standalone operation
• Solar-ready = pairs directly with up to 135kW PV input for self-consumption
• NEMA 3R / IP54 rated = built for harsh outdoor conditions
• Advanced safety = fire suppression, heat/smoke/gas detection, emergency power off, UL9540 compliance support

Optional add-ons: Active deflagration venting, anti-blast protection

• Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
• Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
• If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.