Fortress Power LLC MINI

The Fortress Power LLC MINI is a home battery range from Fortress Power LLC with 31 models. Models store 81 kWh – 92 kWh in Lithium Ion, Lithium Iron Phosphate cells. Rated AC power 30 kW – 50 kW. Listed and verified: UL 9540. Sold in United States.

Specifications

Capacity: 81 kWh – 92 kWh
Battery chemistry: Lithium Ion, Lithium Iron Phosphate
Rated AC power: 30 kW – 50 kW
Models in this range: 31

Product details

Product type: Home battery
Brand: Fortress Power LLC
Category: Home Battery Storage
Sold in: United States
Listed in: California Energy Commission

Models (31)

Model	Nominal capacity	AC power
MINI-30-0-81-208	81 kWh	30 kVA
MINI-30-0-81-480	81 kWh	30 kVA
MINI-30-45-81-208	81 kWh	30 kVA
MINI-30-45-81-480	81 kWh	30 kVA
MINI-30-90-81-208	81 kWh	30 kVA
MINI-30-90-81-480	81 kWh	30 kVA
MINI-40-0-81-208	81 kWh	40 kVA
MINI-40-0-81-480	81 kWh	40 kVA
MINI-40-135-81-208	81 kWh	40 kVA
MINI-40-45-81-208	81 kWh	40 kVA
MINI-40-45-81-480	81 kWh	40 kVA
MINI-40-90-81-208	81 kWh	40 kVA
MINI-40-90-81-480	81 kWh	40 kVA
MINI-50-0-81-208	81 kWh	50 kVA
MINI-50-135-81-208	81 kWh	50 kVA
MINI-50-45-81-208	81 kWh	50 kVA
MINI-50-90-81-208	81 kWh	50 kVA
MINI-30-0-92-208	92 kWh	30 kVA
MINI-30-0-92-480	92 kWh	30 kVA
MINI-30-45-92-208	92 kWh	30 kVA
MINI-30-45-92-480	92 kWh	30 kVA
MINI-30-90-92-208	92 kWh	30 kVA
MINI-30-90-92-480	92 kWh	30 kVA
MINI-40-0-92-208	92 kWh	40 kVA
MINI-40-135-92-208	92 kWh	40 kVA
MINI-40-45-92-208	92 kWh	40 kVA
MINI-40-90-92-208	92 kWh	40 kVA
MINI-50-0-92-208	92 kWh	50 kVA
MINI-50-135-92-208	92 kWh	50 kVA
MINI-50-45-92-208	92 kWh	50 kVA
MINI-50-90-92-208	92 kWh	50 kVA

Certifications

Certification	Market	Status	Reference	Valid until
UL 9540	United States and Canada	✓ Verified 19 October 2026	Intertek

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