Sinexcel SES-90K Outdoor Battery Energy Storage System (BESS)
Sinexcel SES-90K Outdoor Battery Energy Storage System (BESS)
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Description
Description
90kW / Up to 266kWh Commercial & Industrial Outdoor Energy Storage Solution
The Sinexcel SES-90K Outdoor Cabinet BESS is a fully integrated commercial and industrial energy storage system designed for peak shaving, demand charge reduction, backup power, renewable energy integration, and microgrid applications.
Featuring an all-in-one outdoor cabinet design, the SES-90K combines power conversion, battery storage, energy management, safety systems, HVAC cooling, and optional solar integration into a single compact solution. Designed for demanding environments, it provides reliable operation for businesses, utilities, agricultural operations, remote facilities, and critical infrastructure projects.
Key Benefits
All-in-One Integrated Energy Storage Solution
The SES-90K combines:
· Battery storage
· Bidirectional PCS (Power Conversion System)
· Energy Management System (EMS)
· HVAC cooling
· Fire suppression system
· Protection and switching equipment
into a single outdoor-rated cabinet, simplifying installation and reducing project costs.
Peak Demand Reduction & Energy Cost Savings
Reduce utility demand charges and optimize energy consumption through intelligent energy management and load shifting strategies.
Ideal for:
· Commercial buildings
· Manufacturing facilities
· Warehouses
· Agricultural operations
· EV charging infrastructure
· Municipal facilities
Grid-Tied & Off-Grid Operation
The SES-90K supports both grid-connected and standalone operation, making it suitable for:
· Energy arbitrage
· Backup power
· Renewable energy integration
· Microgrids
· Remote power systems
Compatible with 208V, 400V, and 480V three-phase applications.
Solar + Storage Ready
Optional PV integration supports up to 135kW of solar input, allowing businesses to maximize self-consumption and reduce reliance on the utility grid.
Built for Harsh Outdoor Environments
· NEMA 3R enclosure
· IP54 protection rating
· Operating temperature: -20°C to 55°C
· Pre-installed HVAC cooling system
· Up to 3000m operating altitude
· Industrial-grade construction for outdoor installations
Advanced Safety Protection
The SES-90K incorporates multiple safety systems including:
· Integrated fire suppression
· Heat, smoke, and gas detection
· Emergency power off (EPO)
· Optional active deflagration venting
· Optional anti-blast protection
· UL9540 compliance support
Shipping & Rerturns
Shipping & Rerturns
- 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.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Talk to Our Solar Experts
Have questions about this system? Our solar specialists are here to help you choose the right setup for your needs. Whether you need sizing guidance, installation support, or bulk pricing, we're ready to assist.

