Battery Energy Storage System (BESS) Cabinets

Structural enclosures for BESS installations — outdoor IP54 freestanding, ISO container-type, and indoor configurations. SPCC cold-rolled steel, in-house powder coating, custom bus-bar and cable entry layouts. Designed for EPC contractors, system integrators, and C&I project developers.

SPCC 2.0-3.0mm SteelIP54 / IP65 RatedISO Container Compatible10 kWh to 1 MWh+OEM / ODM
Outdoor BESS

Outdoor Battery Energy Storage Cabinet

IP54-rated freestanding enclosures for outdoor BESS installations. SPCC 2.0mm cold-rolled steel, electrostatic powder coating, internal battery module slots with bus-bar access, and integrated ventilation/thermal management ports.

ModelCapacityDimensions (W x D x H)Steel GaugeIP RatingThermal ManagementFinishNotes
BESS-50kWh-OD50 kWh800x1000x1900 mmSPCC 2.0mmIP54Natural ventilationEpoxy powder, RAL 7035Single-door, 1x50kWh module bay
BESS-100kWh-OD100 kWh1000x1000x2100 mmSPCC 2.0mmIP54Forced ventilation (fans)Epoxy powder, RAL 7035Double-door, 2x50kWh module bays
BESS-200kWh-OD200 kWh2000x1000x2200 mmSPCC 2.0mmIP54Forced ventilation + thermostatEpoxy powder, RAL 70354x50kWh module bays, cable tray integrated
Container-Type

Container-Type BESS Enclosure

Containerised battery storage enclosures compatible with 20ft and 40ft ISO frame dimensions. Suitable for C&I and utility-scale BESS projects. Custom bus-bar layout, cable entry, and HVAC interface per project specification.

ModelCapacityDimensions (W x D x H)Steel GaugeIP RatingThermal ManagementFinishNotes
BESS-500kWh-CT500 kWh6058x2438x2591 mm (20ft)SPCC 3.0mm + structural frameIP54HVAC interface (customer-supplied)RAL 9005 black / customISO 20ft frame compatible, 10x50kWh bays
BESS-1MWh-CT1 MWh12192x2438x2591 mm (40ft)SPCC 3.0mm + structural frameIP54HVAC interface (customer-supplied)RAL 9005 black / customISO 40ft frame, 20x50kWh bays, PCS interface panel
Indoor BESS

Indoor Battery Energy Storage Cabinet

Wall-mount and freestanding indoor BESS enclosures for commercial and C&I applications. Designed for LiFePO4 and NMC module integration. Includes bus-bar compartment, BMS wiring tray, and lockable front access panel.

ModelCapacityDimensions (W x D x H)Steel GaugeIP RatingThermal ManagementFinishNotes
BESS-10kWh-IN10 kWh600x600x1200 mmSPCC 1.5mmIP20Passive / side ventsPowder coat, RAL 7016Freestanding, 1x10kWh module bay, BMS compartment
BESS-20kWh-IN20 kWh600x700x1600 mmSPCC 1.5mmIP20Passive + optional fan trayPowder coat, RAL 7016Freestanding, 2x10kWh bays
BESS-WM-5kWh5 kWh600x250x900 mmSPCC 1.2mmIP20PassivePowder coat, white/blackWall-mount, residential / small C&I

Why Procure BESS Enclosures from Synstro?

SPCC Cold-Rolled Steel
1.2-3.0mm SPCC structural steel. CNC laser-cut, precision-bent to ±0.5mm tolerance. No brittle weld seams on load-bearing panels.
IP54 / IP65 Rating
Dust-tight and splash-proof gasket sealing on all door frames and cable entry glands. Certified test reports available for procurement.
In-House Powder Coating
Electrostatic powder coat in any RAL colour. 80-100 micron film thickness, salt-spray tested to 500 hours. Suitable for coastal and desert environments.
OEM / ODM Engineering
Custom bus-bar layout, cable entry patterns, BMS compartment sizing, and branding. DXF drawing review within 5 business days.
Documentation Package
Material certificates (SPCC mill certificates), coating thickness reports, dimensional inspection reports, and packing list per shipment.
Export Experience
Shipped to Middle East, Africa, Southeast Asia, and Europe. FCL and LCL consolidation. CIF / FOB / EXW terms available.

Custom BESS Enclosure for Your Project?

Send us your project capacity (kWh), battery module dimensions, IP requirement, and installation environment. We will provide a structural design proposal, DXF drawing, and EXW quotation within 5 business days.