Inventory Categories
Global Power Supply provides a comprehensive inventory of critical power equipment engineered to support commercial and industrial operations across the United States. We specialize in generators, UPS systems, Automatic Transfer Switches (ATS), Battery Energy Storage Systems (BESS), load banks, fuel tanks, and supporting infrastructure sourced from the most trusted manufacturers in the industry. Inventory options are available to meet a wide range of operational, regulatory, and budget requirements.
With in-stock equipment, nationwide delivery, and optional turnkey services that include engineering, logistics, installation, and commissioning, organizations can efficiently build or expand resilient power infrastructure for both planned projects and urgent needs.
Diesel Generators
Our inventory includes commercial and industrial diesel generators from 30 kW to 4000 kW, available in new, surplus, and used options.
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Natural Gas Generators
We offer new, surplus, and used natural gas generators from 25 kW to 2000 kW from the most trusted commercial and industrial brands.
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Automatic Transfer Switches
We offer 3-phase ATS units from 200A to 4000A in 3-pole and 4-pole configurations with NEMA 1 and NEMA 3R enclosures.
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Industrial UPS Systems
We carry industrial UPS systems from 4 kVA to 3000 kVA from top industry brands, with lithium and VRLA battery options.
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Mobile Diesel Generators
Our mobile diesel generator inventory includes trailer-mounted units designed for rapid deployment and temporary power applications.
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Used Diesel Generators
We offer used commercial and industrial diesel generators across a wide range of kW ratings from trusted manufacturers.
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Lithium UPS Systems
Our lithium UPS system inventory supports high-performance backup power with reduced footprint and long service life.
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Battery Energy Storage
We offer commercial and industrial-grade battery energy storage systems (BESS) in stationary, mobile, and hybrid configurations.
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Mobile Battery Energy Storage
Mobile BESS units are available in trailer-mounted configurations for flexible, emission-free power delivery.
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Battery Cabinets
Battery cabinets for industrial UPS systems are available for new installations, replacements, or runtime expansions.
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Fuel Tanks
We supply preconfigured and custom diesel generator fuel tanks designed to support onsite storage and extended run times.
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Load Banks
Shop load banks from multiple manufacturers to support generator load testing, performance verification, and efficiency optimization.
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Maintenance Bypass
Maintenance bypass cabinets for UPS systems are available for new installations or as additions or replacements for existing systems.
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Batteries
UPS system batteries are available in lithium and VRLA chemistries to support a wide range of runtime and performance requirements.
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