Skip to content
ENRGPWR logo

ENRGPWR · Est. Los Angeles

Engine off.
Comfort on.

Save up to $1,000 every month with the Cabin Comfort — your truck cab stays warm in winter and cool in summer while the engine sleeps. Plus the NRGPWR BOX: silent backup power for any home or job site.

Engine-off cab climate · 2-hour install · $750–$1,000 saved per month · Silent backup power · Los Angeles, California · Engine-off cab climate · 2-hour install · $750–$1,000 saved per month · Silent backup power · Los Angeles, California ·
Long-haul sleeper truck parked at night with the cab gently lit by the Cabin Comfort while the engine stays off

Cab independence

Heating + cooling without keeping the engine alive.

Cabin Comfort

Comfortable sleep.
Zero idling.

Park the truck, shut the engine off, sleep comfortably. The Cabin Comfort keeps you warm in winter and cool in summer using its own battery pack — saving $750–$1,000 a month in diesel.

Install time

~ 2 hours

no engine connection

Wiring

2 cables

12 V + control

Mass

131 lb

under-berth or external

CO₂ avoided

550 lb / yr

per idle-hour reduced

  • Maintenance-free — no engine connection.
  • Meets every state and federal anti-idling rule (including California’s 5-minute limit).
  • Better sleep, lower fuel costs, happier drivers.
See full Cabin Comfort

NRGPWR BOX · Rugged. Reliable. Ready.

Silent LiFePO₄ power
for the next outage,
the next job site,
the next adventure.

A rugged steel-cased battery you can plug in anywhere. No fuel, no fumes, no noise. When the power goes out, it switches on in 6 milliseconds — faster than your laptop notices.

Model 3000 · compact

3,080 Wh

Output
3000 W · 6000 W peak
Voltage
120 V · 25 A
Mass
68 lb
Footprint
12 × 17 × 12 in
Recharge
5.5–6.5 h

Model 6000 · extended

5,888 Wh

Output
3000 W · 6000 W peak
Voltage
120 V · 25 A
Mass
92 lb
Footprint
12 × 17 × 13.5 in
Recharge
7.5–8.5 h
UPS · 6 ms 5 AC outlets 4 USB · A + C Pure sine wave Solar 50 A · Car · Wall Steel casing
NRGPWR BOX rugged LiFePO4 portable power station on outdoor table

$ / Wh leader

~ $0.85 per watt-hour.

What we do beyond the products

15+ years inventing energy systems
that lower fuel, carbon and noise.

Who we serve

Large-scale solar

We design and install full solar farms — ground up.

Large-scale solar field at dusk

Microgrids & rural power

Self-contained solar + battery systems lighting up remote villages across Central America.

Battery storage at every scale

Same battery tech — from one truck cab to a hospital’s backup room.

Stay legal. Skip the fines.

Anti-idling laws are getting stricter every year. The Cabin Comfort keeps your trucks compliant everywhere — including California’s strict 5-minute idle limit.

Vision · Mission

Live render ENRGPWR · ARC-01

Powering a cleaner, smarter future.

At ENRGPWR we’ve spent 15+ years building energy products that just work — from sleeper-cab climate systems to entire village power grids. We design, test and build them ourselves.

Experience

15+ years

Storage

LiFePO₄

Stack

Cabin Comfort · NRGPWR Box

Who we serve

Built for owner-operators, fleets,
off-grid life and first responders.

Owner-operator truck parked overnight, cab lit by Cabin Comfort
01 · Owner-operators

Keep more of every paycheck.

$750–$1,000 a month back in your pocket — and a quieter night so you wake up sharp.

See Cabin Comfort
Long-haul fleet trucks parked at night
02 · Fleet owners

Drivers stay. Fines disappear.

Lower fuel bills, cleaner emissions, zero idling tickets — usually paying for itself within the first year.

Talk to us
Home using NRGPWR Box for backup during outage
03 · Homes & off-grid

Power out? You won’t notice.

Homes, RVs, cabins — the NRGPWR Box takes over instantly with hours of silent backup.

See NRGPWR Box
Emergency disaster response field deployment
04 · Medical & emergency

Power for things that can’t wait.

Safe enough for medical equipment. Quiet enough for hospitals. Ready for disaster response.

Talk to us
Construction site with portable power station running tools
05 · Sites & events

Quiet job sites. Quiet sets.

Run power tools, food trucks, cameras and lights — no gas generator, no noise.

See NRGPWR Box

Easy install

Two hours.
No mechanic.

Two cables to the truck’s battery, flip the switch — done. No engine work, no shop time.

See full Cabin Comfort

Wiring diagram

Cabin Comfort · install

Existing 12 V battery pack

12 V power cable
Control cable

Cabin Comfort · 131 lb

No engine connection No alternator Maintenance-free

The numbers

Real savings,
every truck, every month.

Conservative numbers from real Cabin Comfort installs. Multiply by your fleet to see your own savings.

Diesel saved

0 gal

per truck, per night

Monthly savings

$0

$750–$1,000 per truck

CO₂ avoided

0 lb

per idle hour, per year

Financing

Low monthly payments.
Pays for itself.

Flexible plans for every situation — even low credit or new businesses.

QuickSpark Financial

Low monthly payments. Approved even with low credit or as a new business.

American Bank

Equipment financing for businesses of any size — from one truck to full fleets.

Contact

Let’s talk.
We reply within 24 hours.

Call, email, or send a quick note. We never ghost.

Call · sales & support (866) 698-9731 Direct mail info@enrgpwr.com

Hours

Mon–Fri · 9 AM – 5 PM PT

HQ

Los Angeles, CA

Encrypted in transit