Power doesn’t skip
When the grid drops, the box takes over in 6 milliseconds — faster than a blink. Your computer, fridge, CPAP or medical device never resets.
NRGPWR BOX
Rugged. Reliable.
Ready.
A heavy-duty battery in a steel box. Plug your fridge, laptop, CPAP or power tools into it and they run for hours — no gas, no fumes, no noise. Use it at home when the power goes out, off-grid on a job site or in the back of an RV.
UPS · 6 ms switchover·
5 AC outlets · 4 USB·
Pure sine wave inverter·
Solar 50 A input·
Rugged steel casing·
6 years field-tested·
UPS · 6 ms switchover·
5 AC outlets · 4 USB·
Pure sine wave inverter·
Solar 50 A input·
Rugged steel casing·
6 years field-tested·
Why the NRGPWR BOX
Five things every other
backup unit
gets wrong.
Use it while it charges
Plug it in, plug your stuff into it, and use it at the same time. No “wait until it’s full” downtime.
Hook up solar panels
Drop a couple of panels in the sun and the box refills itself — 50 amps of solar input. Real off-grid living, no fuel run required.
Built like a tool, not a toy
Real steel chassis, not plastic. Drops, weather, job-site abuse — it keeps working.
Nothing to maintain
No gasoline. No oil. No filters. No exhaust. No noise. Charge it, use it, forget it.
Two sizes · same battery chemistry
Model 3000 for short outages.
Model 6000 to power a weekend.
Both run the same plugs at the same speed. The bigger model just holds about twice the energy, so it runs your fridge, CPAP or laptop roughly twice as long before recharging.
Model 3000 · Compact & Powerful
Quote on request
3,080 Wh
- Power output
- 3,000 W · 6,000 W peak
- Voltage · current
- 120 V · 25 A
- Mass
- 68 lb
- Footprint
- 12 × 17 × 12 in
- Recharge time
- 5.5–6.5 h
Model 6000 · High Power & Extended Runtime
Best $/Wh
5,888 Wh
- Power output
- 3,000 W · 6,000 W peak
- Voltage · current
- 120 V · 25 A
- Mass
- 92 lb
- Footprint
- 12 × 17 × 13.5 in
- Recharge time
- 7.5–8.5 h
What can you power?
Hours of silent runtime
for the things that matter.
| Appliance | Model 3000 runtime | Model 6000 runtime |
|---|---|---|
| Full-size refrigerator | 8–13 hours | 17–26 hours |
| Laptop | 50 charges | 100 charges |
| Microwave (1000 W) | 2.5 hours | 5 hours |
| Electric grill (800 W) | 3.2 hours | 6.4 hours |
| LED lighting (10 × 20 W) | 25 hours | 50 hours |
| CPAP machine | 20 hours | 40 hours |
| Wi-Fi router | 40 hours | 80 hours |
| Electric heater (400–1,000 W) | 2.5–6.4 hours | 5.1–12.8 hours |
Who needs the NRGPWR BOX?
Built for whoever
cannot afford to be without power.
Homeowners & renters
Reliable backup for blackouts.
HOAs & property mgrs
Emergency power for entire communities.
Campers / RV / van life
Quiet, eco-friendly off-grid power.
Construction sites
Run power tools without a gas generator.
Event organizers
No more renting noisy generators.
Medical & healthcare
CPAP, ventilators, oxygen concentrators.
Disaster response
FEMA, Red Cross, National Guard deployments.
Rental companies
Portable power for customers and remote sites.
Farming & agriculture
Electric fencing, water pumps, monitoring.
Film & motion picture
Silent power for on-location filming.
Food trucks & mobile
Refrigeration, cooking, POS systems.
Security & surveillance
Cameras, alarm systems, communication.
Military & tactical
Field power for remote command centers.
Boaters & marine
Navigation and onboard electronics.
Adventures off-grid
Reliable power wherever you wander.
Your use case here
If it plugs in, the NRGPWR Box can drive it.
Advanced features & technology
Surface of every
NRGPWR BOX.
5 wall-style outlets
Four normal 120 V plugs plus one heavy-duty twist-lock for power tools and big appliances.
4 fast USB ports
Two USB-A (older) and two USB-C (newer) — phones, tablets and laptops top up fast.
Clean “wall-grade” power
A pure sine wave inverter means the electricity coming out is as smooth as a wall outlet — safe for laptops, TVs, CPAPs and medical gear.
Three ways to recharge
Plug into a wall (18 A), your car’s 12 V outlet (12 A), or solar panels (50 A). Whichever you have, it works.
Auto-on when power fails
Acts as an Uninterruptible Power Supply (UPS): if grid power dies, the box flips on in 6 ms so nothing reboots.
Always-on display
A clear LCD shows battery level, how much you’re drawing and time remaining at the current load.
The simple way to compare power stations
The most power
per dollar.
Watt-hours (Wh) tells you how much energy a power station stores. Bigger Wh = it runs your stuff longer. Divide the price by the Wh capacity and you get cost per Wh — the cleanest way to compare any two units.
The NRGPWR BOX Model 6000 lands at roughly $0.85 per Wh. Most rivals on the shelf charge $1.20–$1.50 per Wh. Same battery chemistry. Far less money.
- Lowest cost per Wh in its class
- Thousands of charge cycles — replace it almost never
- One box for home backup, off-grid, job site or RV
Quick math
Model 6000 · 5,888 Wh
~ $0.85 / Wh
Cheaper per Wh = more usable power in your hand for the same dollar.
Eco-friendly. Zero noise. Zero maintenance.