SP3000W Pure Sine Wave Power Inverter

Industrial DC-to-AC power for large off-grid homes, workshops, telecom backup and commercial solar energy systems.

✓ 3000W Continuous

✓ 6000W Peak

✓ CE

✓ Pure Sine Wave

✓ OEM Available

✓ RoHS

Continuous Power

3000W

Peak / Surge

6000W

Input (DC)

12/24/48V(alternative)

Output (AC)

100-120/200-240V(alternative)

Waveform

Pure Sine

Efficiency

90% (full load), 95% (1/3 load)

TRUSTED BY MANUFACTURERS, INSTALLERS AND DISTRIBUTORS WORLDWIDE

RV Manufacturers

Marine Builders

Solar Installers

Telecom Operators

Truck Fleets

Off‑grid Communities

Emergency Services

Export Distributors

PROBLEM & SOLUTION

What Problems Does It Solve?

Full Off-Grid Home Power

Run a complete household — AC, well pump, laundry, kitchen and lighting — from a 48V solar battery bank without a grid connection.

Industrial Motor Startup

The 6000W surge rating handles the locked-rotor startup of multi-horsepower pumps, compressors and workshop machinery.

Telecom Backup Reliability

Keep cellular base stations and data cabinets online during grid outages with clean power from 48V telecom battery banks.

Commercial Solar Conversion

Serve as the DC-to-AC conversion core of a commercial off-grid solar system for offices and small facilities.

INDUSTRY APPLICATIONS

Where the SP3000W Goes to Work

From weekend camping to industrial telecom backup, the SP3000W converts battery power into reliable AC electricity across the applications that matter most.

Large Off-grid Home

Full household power including AC, well pump, laundry and kitchen appliances.

Workshop

Run welders, compressors, table saws and industrial lighting from a battery bank.

Construction Site

Run heavy tools, lighting and equipment where grid power is unavailable.

Marine / Yacht

Power large vessel systems including AC, galley and pump equipment.

Commercial Solar

Convert a 48V solar battery bank into AC for offices and small facilities.

Telecom Backup

Power telecom base stations and data cabinets from 48V battery banks.

WHY CHOOSE SP3000W?

Built for the People Who Depend on It

The SP3000W is not just a spec sheet. It is engineered to solve real power problems in the field — clean output, reliable conversion, and the configurability that professional buyers need.

Industrial Power

3000W runs large AC units, multi-horsepower pumps and workshop machinery.

Clean Sine Output

THD < 3% protects industrial motors and sensitive control electronics.

Solar System Core

DDesigned as the DC-to-AC conversion core of 48V off-grid solar systems.

OEM Support

Custom branding and configuration for system integrators and EPC contractors.

FEATURE HIGHLIGHTS

Every Detail Engineered On Purpose

Eight features that define why the SP3000W performs in the field, not just on paper.

Pure Sine Wave

Handles heavy motor locked-rotor startup up to 6000W.

3000W Continuous

Runs large AC units, compressors and workshop machinery.

6000W Peak Surge

Handles heavy motor locked-rotor startup up to 6000W.

Dual AC + USB

Two AC outlets plus USB for simultaneous loads.

USB Charging

5V/2A dual USB for accessories and mobile devices.

Dual Smart Fan

High-volume cooling for sustained industrial loads.

Safety Protection

Industrial-grade protection across all fault conditions.

Aluminum Housing

Heavy-duty alloy body with mounting flanges for fixed installs.

WHY PURE SINE WAVE ?

The Waveform Decides Whether Your Devices Survive

Utility grid power is a pure sine wave. Modified sine wave inverters produce a rough, blocky approximation. That difference is not academic — it determines whether your laptop runs cool, your fridge compressor lasts, and your CPAP motor stays quiet.

Pure Sine Wave

Modified Sine Wave

Pure Sine Wave

Recommended

Modified Sine Wave

Not recommended

WHAT CAN IT POWER ?

The SP3000W Runs These Devices

A quick reference grid of common devices the 3000W inverter handles. Items marked green run comfortably within the continuous rating.

Microwave

20W

Window AC (10000 BTU)

1200W

Router

20W

Coffee Maker

800W

Well Pump (1 HP)

1500W

Air Compressor

1500W

Full-Size Fridge

400W

Table Saw

1800W

Welder (small)

1800W

LED TV

120W

Washing Machine

800W

Lights

100W

Running wattage shown. Inductive loads (motors, compressors) draw 2–4x running power for a few seconds at startup — the SP3000W’s 6000W peak handles these surges.

POWER CONSUMPTION REFERENCE

Will It Run Your Device?

A practical reference table showing typical device wattage and whether the SP3000Wcan handle it. Use this as a quick sizing check before you buy.

DEVICE	TYPICAL POWER	SUITABLE FOR SP3000W
10000 BTU window AC	1200W (3500W surge)	✓ Yes
1 HP well pump	1500W (4500W surge)	✓ Yes
Air compressor	1500W	✓ Yes
Small welder	1800W	✓ Yes
Table saw	1800W	✓ Yes
Central AC (3 ton)	5000W+	× No
Electric water heater	4000W	× No
Electric range (full)	3000W+ (all burners)	× No

Values are typical estimates. Always check your device’s nameplate wattage. For devices with motors or compressors, account for 2–4x startup surge.

BUYING GUIDE

How to Choose the Right Inverter

Not sure whether you need 3000W or a different size? Follow this 4-step guide — and if the SP3000W is not the right fit, we link you to the model that is.

List your devices

Write down every device you want to run simultaneously. Check the nameplate wattage on each.

Add them up

Sum the running watts. Add 2–4x for any device with a motor or compressor (fridge, pump, AC).

Pick the next size up

Choose an inverter whose continuous rating exceeds your total. The SP3000W is right for loads up to 3000W.

Check your battery

Ensure your battery bank can deliver the current. At 3000W, a 12V system draws ~250A; 24V halves it; 48V quarters it.

Explore the Full SP Series

If the Inverter is not the perfect fit, compare it with the rest of the ZentroVolt pure sine wave lineup — from 300W to 6000W.

TECHNICAL SPECIFICATIONS

SP3000W Full Spec Sheet

From weekend camping to industrial telecom backup, the SP3000W converts battery power into reliable AC electricity across the applications that matter most.

Rated Power

Output Waveform

Output Voltage (AC)

Efficiency

AC Outlets

Protection

Housing

Storage Temp

Net Weight

3000W continuous

Pure Sine Wave (THD < 3%)

110V / 120V / 220V / 230V / 240V

90% (full load), 95% (1/3 load)

2 x AC + USB

Overload, over-temp, short-circuit, low-voltage, high-voltage

All-aluminum housing

-30°C to +70°C

6.21 kg

Surge Power

Input Voltage (DC)

Output Frequency

No-load Current

USB Port

Cooling

Operating Temp

Dimensions

Certifications

6000W peak (surge)

12V/24V/48V DC (Battery)

50Hz / 60Hz

< 1.2A

5V / 2A USB

Dual Smart fan

-10°C to +50°C

42022092mm

CE-EMC/LVD, ROHS, UKCA, FCC

Why 12V / 24V / 48V input options matter

Battery banks come in different voltages. 12V suits small vehicle and RV starter batteries; 24V matches truck and commercial vehicle systems; 48V is the standard for solar energy storage and telecom backup. Offering all three on one platform means the same inverter body can serve a camper van, a long-haul truck, and a 10kWh solar battery wall — simplifying procurement and spare-parts management for distributors.

Why 110V–240V output is configurable

North America runs 110/120V at 60Hz; Europe, Asia, Africa and Oceania run 220/230/240V at 50Hz. A configurable output lets one SKU ship to any market, and lets overland travelers power local appliances wherever they are. Output voltage and frequency are set at the factory or via OEM configuration before shipment.

Why THD < 3% is the benchmark for "clean"

Total Harmonic Distortion (THD) measures how far the waveform deviates from a perfect sine. Grid power is typically 2–5% THD. Our pure sine wave output stays under 3%, matching or beating utility power — safe for medical devices, variable-frequency motor drives, and any electronics with active PFC circuits.

OPTIONAL CONFIGURATION

Configure It for Your Market

The SP series platform is built for global deployment and OEM customization. Choose input voltage, output voltage, socket type, branding and packaging — all configured before shipment.

Input Voltage (DC)

12V

24V

48V

Output Voltage (AC)

110V

120V

220V

230V

240V

Output Frequency

50Hz

60Hz

Socket Type

Universal

Branding

OEM logo

Neutral

ZentroVolt

Packaging

Color box

Brown box

Bulk

MODEL COMPARISON

Compare Available Models

Browse options from minimum to maximum power output and find the unit best suited to your load requirements.

SPECIFICATION	SP300W 300W	SP1000W 1000W	SP2000W 2000W	SP6000W 6000W
Continuous Power	300W	1000W	2000W	6000W
Peak / Surge Power	600W	2000W	4000W	12000W
Output Waveform	Pure Sine Wave	Pure Sine Wave	Pure Sine Wave	Pure Sine Wave
Input Voltage	12V / 24V / 48V	12V / 24V / 48V	12V / 24V / 48V	24V / 48V
Output Voltage	100-120V/200-240V	100-120V/200-240V	100-120V/200-240V	100-120V/200-240V
Efficiency	90% (full load), 95% (1/3 load)	90% (full load), 95% (1/3 load)	90% (full load), 95% (1/3 load)	90% (full load), 95% (1/3 load)
AC Outlets	1 x AC + USB	2 x AC + USB	2 x AC + USB	2 x AC + USB
USB Port	5V / 2A	5V / 2A	5V / 2A	5V / 2A
Cooling	Smart fan	Dual Smart fan	Dual smart fan	Four smart fan
Housing	Aluminum alloy	Aluminum alloy	Aluminum alloy	Aluminum alloy
Certifications	CE-EMC/LVD, ROHS, UKCA, FCC	CE-EMC/LVD, ROHS, UKCA, FCC	CE-EMC/LVD, ROHS, UKCA, FCC	CE-EMC/LVD, ROHS, UKCA, FCC
OEM Available	Yes	Yes	Yes	Yes

FAQ

Frequently Asked Questions

Real answers to the questions buyers ask about the SP300W — from sizing and battery compatibility to OEM customization.

Will a 3000W inverter run a central air conditioner? ▼

A 10000–12000 BTU window or mini-split unit yes. A full 2–3 ton central AC system draws 4000–6000W+ and needs the SP4000W or SP6000W. Check your AC unit's running watts and LRA surge.

Can it run a well pump? ▼

Yes. A 1 HP well pump draws 1500W running with a 4000–5000W startup surge. The SP3000W with its 6000W peak handles it. A 1.5+ HP pump needs the SP4000W.

What input voltage should I use? ▼

For 3000W, we strongly recommend 24V or 48V. At 12V the current is 270A+ — impractical, requiring enormous cables and a massive battery bank. At 24V it is 135A; at 48V it is 65A — manageable and efficient.

Can it run a welder? ▼

A small 120V welder (1800W) yes. Industrial 240V welders draw 4000W+ and are not suitable. Check your welder's input power rating.

Is it suitable for a large off‑grid home? ▼

Yes. The SP3000W is one of the most popular sizes for full-time off-grid homes. Paired with a 48V LiFePO4 battery bank and solar array, it runs a complete household including AC, well pump, laundry and kitchen.

Can it be used for telecom backup? ▼

Yes. The 48V input version is ideal for telecom base stations and data cabinets that use 48V battery banks. The pure sine output is safe for sensitive communication equipment.

How many appliances can run at once? ▼

Combined running wattage must stay under 3000W. For example: AC (1200W) + fridge (400W) + lights (100W) + TV (120W) + router (20W) = 1840W, leaving 1160W for a microwave or coffee maker. The 6000W surge covers simultaneous motor startups.

What battery bank size do I need? ▼

For 2 hours of full-load runtime at 48V: approximately 150Ah LiFePO4 (7.2kWh). For daily off-grid use, a 400Ah 48V battery (19.2kWh) paired with a 5–8kW solar array is typical. Consult your system designer for a sized solution.

Does it have remote monitoring? ▼

The SP3000W supports optional RS485 / remote display for system monitoring. Contact our OEM team for monitoring-enabled configurations.

Do you offer OEM branding? ▼

Yes. We support custom logo, housing color, socket type, voltage, communication protocol, packaging and private model numbers. Contact our OEM team for MOQ and pricing.

What certifications does it have? ▼

The SP3000W carries CE, RoHS, EMC and LVD certifications. FCC is available for the US market on request.

What is the warranty? ▼

Standard warranty is 1 years from the date of purchase. OEM customers can negotiate extended warranty terms. Contact your distributor or our support team for warranty claims.

“

"We tested four inverter brands before choosing ZentroVolt. The pure sine output was the cleanest on the oscilloscope, and the OEM customization let us launch under our own brand in 30 days."

R. Khalil

Procurement Director, International Trading Group

OEM & ODM

Build Your Brand on the SP300W

SP300W

The SP300W is an OEM-ready platform. Distributors, installers and brand owners can customize everything from logo and housing color to voltage, socket and packaging — with low MOQs and fast lead times.

MOQ

500 pcs

LEAD TIME

30 days

LOGO METHOD

Self-adhesive face label

LANGUAGES

EN, FR, ES, DE

SOCKET OPTIONS

US / EU / UK / AU

VOLTAGE CONFIG

110‑240V

CERTIFICATIONS

Tested and Certified for Global Markets

Every ZentroVolt inverter carries the certifications required for export to Europe, Asia, Africa and Oceania. FCC for North America is available on request.

Conformité Européenne

European safety, health and environmental protection

RoHS

Restriction of Hazardous Substances

No lead, mercury, cadmium or other restricted substances

EMC

Electromagnetic Compatibility

No electromagnetic interference with other devices

LVD

Low Voltage Directive

Electrical safety for equipment operating 50‑1000V AC

Other Power Levels in the SP Series

SP300W

300W Pure Sine Wave

SP600W

600W Pure Sine Wave

SP1000W

1000W Pure Sine Wave

SP1500W

1500W Pure Sine Wave

SP3000W

3000W Pure Sine Wave

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SP300W

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