The Power Cube deployed on a Maui job site with its solar canopy unfolded

The Power Cube.

Portable solar power for construction sites, disaster relief, outdoor events, or anywhere you need clean energy on demand. Tow it in, unfold it, run.

Call (808) 269-0107 info@mobilepowerhawaii.com
27 kWh storage19.6 kW peakOff-grid 120/240V10-year warranty
Maui built · Made in the USA
27kWhBattery storageLong-lasting power capacity
9.5kWSolar arrayClean energy generation
19.6kWPeak powerMaximum output capacity
Powering your mission

Wherever you need
reliable, clean energy.

  1. 01

    Job site power

    Reliable, efficient power for construction sites and remote work locations, built for demanding job site conditions.

  2. 02

    Disaster relief

    Rapid-deployment electricity when grid power is unavailable, keeping communities connected during critical times.

  3. 03

    Outdoor events

    Clean, quiet power for festivals, concerts and gatherings without grid access. No noise, no emissions.

  4. 04

    Versatile applications

    Remote monitoring stations, temporary facilities and anything else that needs power where there is none.

Tow · Deploy · Power

Road-legal trailer.
Power plant on arrival.

The Power Cube closed for towing behind a pickup truck
Closed16′ × 8′ × 12′ · under 7,000 lbs GVW
The Power Cube deployed with solar wings extended
Deployed31.5′ × 23.5′ × 12′ · 9.5 kW of solar overhead
Technical specifications

The full sheet.

Complete system specifications for the Power Cube mobile solar system.

Download PDF data sheet
Mobile Power Hawaii, a Maselli Electric company
Product data sheetRev. A · October 2026

The Power Cube

Trailer-mounted solar + battery power system. Tow it in, unfold the array, run off-grid. Maui built, made in the USA.

The Power Cube deployed with its solar array unfolded
27kWh
Battery storage
9.5kW
Solar array
19.6kW
Peak power
10yr
Warranty

1.0Electrical performance

ParameterValue
Max continuous power (day)19.6 kW
Max continuous power (night)10 kWh / 27 kWh
Max current off-grid (240V)80 A
Max current off-grid (120V)160 A
Voltage120V
AC frequency60 Hz
Load start capability118 A LRA
PV max input voltage600 VDC

2.0Efficiency & warranty

ParameterValue
Round-trip efficiency90%
Solar generation CEC efficiency97.5% @ 208V
Power factor rating−0.9 to 1
Warranty coverage10 years

3.0Trailer dimensions & weight

ParameterValue
Dimensions (closed)16′ × 8′ × 12′
Dimensions (deployed)31.5′ × 23.5′ × 12′
Gross vehicle weight< 7,000 lbs

4.0Applications

  • Construction and job-site power
  • Disaster relief and emergency response
  • Outdoor events and festivals
  • Remote monitoring and temporary facilities

Specifications are nominal and subject to change without notice. Confirm load and site requirements with Mobile Power Hawaii before deployment.

info@mobilepowerhawaii.com · (808) 269-0107 · masellielectricmaui.com/mobile-power-hawaii · HI Lic. C-37783Page 1 of 1
See it in action

Real power, real sites.

Power Cube running on a job site beside a dump truck
Power Cube solar panels fully unfolded on grass
Power Cube trailer closed and ready to tow
United States flagHawaiʻi state flag
Maui built · Made in the USA