EnergyCore™ Lithium-Ion Battery Cabinets

High-density lithium-ion battery storage that pairs with your UPS to shave peak demand charges, join utility demand-response programs, or simply add reserve.

Li5: 146–263 kW

Li7: 108–183.6 kW

10-year battery warranty

Request a Quote or call (800) 222-1440

What’s Built In

Battery energy storage, built for AI compute loads and modern data centers.

Li5 and Li7 lithium-ion battery systems, purpose-built for critical backup and AI compute loads

UL 9540A-tested safety, with seamless UPS integration and predictive health monitoring

Rated to operate at higher ambient temperatures, up to 30°C

Advanced BMS intelligence with real-time State of Charge (SoC) and State of Health (SoH) tracking

Factory-built and pre-populated cabinets — no onsite wiring needed

A 10–15 year life span in a smaller footprint than comparable VRLA batteries, optimized for either 5- or 7-minute runtime. Ships fully loaded to your location, reducing deployment time and cost.

Model range

Two cabinet families, tuned for runtime.

EnergyCore™ Li5

146–263 kW · 17.3–31.1 kWh · 882–1,301 lbs

EnergyCore™ Li7

108–183.6 kW · 20.4–34.6 kWh · 977–1,283 lbs

Full Specifications

Every number, for the people who ask for them.

Power rating

Li5: 146–263 kW · Li7: 108–183.6 kW

Energy

Li5: 17.3–31.1 kWh · Li7: 20.4–34.6 kWh

Height

78.7 in

Width

23.6 in

Depth

29.5 in

Weight

Li5: 882–1,301 lbs · Li7: 977–1,283 lbs

Certification

UL 9540A-tested

Warranty

10-year on battery modules (start date up to 20 weeks after shipment)

Best fit

Facilities already sizing a large UPS, demand-charge management

Whether BESS pencils out depends on your utility rate structure and demand charges — ask your Uptime rep to evaluate it alongside your UPS quote.

Curious whether BESS fits your facility?

Send us your rate structure and UPS plan and we’ll help you evaluate it.

Start a Quote Call (800) 222-1440