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Commercial Battery Storage

3-Phase Battery Energy Storage Systems (BESS)

Available in 208V and 480V configurations, scalable from 20 to 480+ kWh. Our commercial BESS solutions are purpose-built for peak shaving, demand response, microgrids, and California Title 24 compliance. Designed around Sol-Ark commercial hybrid inverters with Sol-Ark L3 or Deka Duration lithium batteries, these turnkey systems ship ready to install.

View System Configurations
Commercial BESS System
1 Select either 208V or 480V Below → 2 Select Inverter Qty → 3 Pick Storage Tier → 4 Request a Quote
Configure & Price

208V Commercial BESS Configurations

Select a voltage class and battery type below, then configure your inverter and storage to see live pricing.

Sol-Ark L3-HV Indoor Battery Cabinet

Sol-Ark L3-HV Indoor 208V Systems

40 kWh per rack, indoor installation

Battery Model
Sol-Ark L3-HV
Chemistry
Lithium Iron Phosphate (LFP)
Capacity Per Rack
40 kWh
Enclosure Rating
Indoor (IP20)
Inverter Model
Sol-Ark 30K-3P-N 208V
System Voltage
208 VAC 3-Phase
Scalability
40 - 240 kWh (1-6 racks)
Inverter Efficiency
97.5%
1
Select Inverter Quantity
2
Select Storage Capacity
Configuration View Total kWh Price $/kWh
Sol-Ark L3-HVR Outdoor Battery Cabinet

Sol-Ark L3-HVR Outdoor 208V Systems

60 kWh per rack, outdoor rated (IP55)

Battery Model
Sol-Ark L3-HVR
Chemistry
Lithium Iron Phosphate (LFP)
Capacity Per Rack
60 kWh
Enclosure Rating
Outdoor (IP55)
Inverter Model
Sol-Ark 30K-3P-N 208V
System Voltage
208 VAC 3-Phase
Scalability
60 - 360 kWh (1-6 racks)
Inverter Efficiency
97.5%
1
Select Inverter Quantity
2
Select Storage Capacity
Configuration View Total kWh Price $/kWh
Deka DD-5300 Indoor Battery System

Deka Duration DD-5300 Indoor 208V Systems

5.3 kWh modular battery, indoor installation

Battery Model
Deka Duration DD-5300
Chemistry
Lithium Iron Phosphate (LFP)
Module Capacity
5.3 kWh per module
Enclosure Rating
Indoor
Inverter Model
Sol-Ark 30K-3P-N 208V
System Voltage
208 VAC 3-Phase
Scalability
21.2 - 84.8 kWh
Combiner
Factory-matched combiner box
1
Select Inverter Quantity
2
Select Storage Capacity
Configuration View Total kWh Price $/kWh
Deka DD-5300 Outdoor Battery System

Deka Duration DD-5300 Outdoor 208V Systems

5.3 kWh modular battery, NEMA 4 outdoor rated

Battery Model
Deka Duration DD-5300
Chemistry
Lithium Iron Phosphate (LFP)
Module Capacity
5.3 kWh per module
Enclosure Rating
Outdoor (IP66/NEMA 4)
Inverter Model
Sol-Ark 30K-3P-N 208V
System Voltage
208 VAC 3-Phase
Scalability
21.2 - 84.8 kWh
Combiner
Factory-matched combiner box
1
Select Inverter Quantity
2
Select Storage Capacity
Configuration View Total kWh Price $/kWh
Deye BOS-G40 Indoor Battery Cabinet

Deye BOS-G40 Indoor 208V Systems

40 kWh per cabinet, indoor installation

Battery Model
Deye BOS-G40
Chemistry
Lithium Iron Phosphate (LFP)
Capacity Per Cabinet
40 kWh
Enclosure Rating
Indoor
Inverter Model
Sol-Ark 30K-3P-N 208V
System Voltage
208 VAC 3-Phase
Scalability
40 - 240 kWh (1-6 cabinets)
Inverter Efficiency
97.5%
1
Select Inverter Quantity
2
Select Storage Capacity
Configuration View Total kWh Price $/kWh
Deye BOS-G60 Indoor Battery Cabinet

Deye BOS-G60 Indoor 208V Systems

60 kWh per cabinet, indoor installation

Battery Model
Deye BOS-G60
Chemistry
Lithium Iron Phosphate (LFP)
Capacity Per Cabinet
60 kWh
Enclosure Rating
Indoor
Inverter Model
Sol-Ark 30K-3P-N 208V
System Voltage
208 VAC 3-Phase
Scalability
60 - 360 kWh (1-6 cabinets)
Inverter Efficiency
97.5%
1
Select Inverter Quantity
2
Select Storage Capacity
Configuration View Total kWh Price $/kWh
Deye GE-FH60 Outdoor Battery Cabinet

Deye GE-FH60 Outdoor 208V Systems

60 kWh per cabinet, outdoor installation

Battery Model
Deye GE-FH60
Chemistry
Lithium Iron Phosphate (LFP)
Capacity Per Cabinet
60 kWh
Enclosure Rating
Outdoor
Inverter Model
Sol-Ark 30K-3P-N 208V
System Voltage
208 VAC 3-Phase
Scalability
60 - 360 kWh (1-6 cabinets)
Inverter Efficiency
97.5%
1
Select Inverter Quantity
2
Select Storage Capacity
Configuration View Total kWh Price $/kWh
Title 24 Compliance
CEC JA12 listed, UL 9540A tested, NFPA 855 ready
Design Assistance
Engineering support, system sizing, and technical recommendations
Modular LFP Cabinets
20 to 200+ kWh stacking, indoor and NEMA 3R outdoor options
Turnkey Integration
Factory-prewired clusters with rapid deployment combiner boxes

Need a Custom BESS Configuration?

For systems larger than shown above or custom commercial projects, our engineering team can design a tailored solution for your facility.

Commercial Flat Roof Solar

Pair your BESS with a commercial flat roof solar array for maximum energy independence and ROI.

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Commercial Carport Solar

Solar carport structures that generate power while providing covered parking for your facility.

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Talk to an Expert

Our commercial team can help you scope, design, and price a complete solar + storage solution.

Contact Us
(877) 297-0014 sales@solarelectricsupply.com