SP4000W Pure Sine Wave Power Inverter

Heavy-industrial DC-to-AC power for large off-grid estates, commercial facilities, telecom infrastructure and multi-pump solar systems.

✓ 4000W Continuous

✓ 8000W Peak

✓ CE

✓ Pure Sine Wave

✓ OEM Available

✓ RoHS

Continuous Power

4000W

Peak / Surge

8000W

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?

Central AC and Multi-Pump Systems

Run a central air conditioner, a multi-horsepower well pump and a full household at the same time — loads that trip smaller inverters.

Commercial Facility Backup

Keep offices, retail shops and small facilities operational during extended grid outages with clean power from a 48V battery bank.

Agricultural Off-Grid Power

Power irrigation pumps, ventilation fans and farm equipment in remote locations without running a diesel generator.

Industrial Motor Startup

The 8000W surge rating handles the locked-rotor startup of large compressors, pumps and industrial motors.

INDUSTRY APPLICATIONS

Where the SP4000W Goes to Work

From weekend camping to industrial telecom backup, the SP4000W converts battery power into reliable AC electricity across the applications that matter most.

Large Off-grid Estate

Full luxury off-grid power: central AC, laundry, kitchen, well pump and lighting.

Industrial Workshop

Run heavy machinery, compressors and industrial lighting.

Construction Site

Run site offices, heavy tools and lighting where grid is unavailable.

Agricultural

Power irrigation pumps, ventilation and equipment in remote locations.

Commercial Facility

Power offices, shops and small facilities from a solar battery bank.

Telecom Infrastructure

Run large telecom sites and data cabinets from 48V battery banks.

WHY CHOOSE SP4000W?

Built for the People Who Depend on It

The SP4000W 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.

Estate-Scale Power

4000W runs central AC, multi-pump systems and a full household simultaneously.

Industrial Sine Quality

THD < 3% output protects motors, VFDs and sensitive control systems.

48V Solar Core

Built for 48V solar battery systems in large off-grid and commercial installs.

OEM Support

Custom branding, communication protocols and configuration for EPC contractors.

FEATURE HIGHLIGHTS

Every Detail Engineered On Purpose

Eight features that define why the SP4000W performs in the field, not just on paper.

Pure Sine Wave

Handles large motor locked-rotor startup up to 8000W.

4000W Continuous

Runs central AC, multi-pump systems and heavy machinery.

8000W Peak Surge

Handles large motor locked-rotor startup up to 8000W.

Dual AC + USB

Dual AC outlets plus USB for multiple simultaneous high-power loads.

USB Charging

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

Dual Smart Fan

High-volume industrial cooling for sustained 4000W loads.

Safety Protection

Industrial-grade protection with thermal and current monitoring.

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 SP4000W Runs These Devices

A quick reference grid of common devices the 4000W inverter handles. Items marked green run comfortably within the continuous rating.

Microwave

20W

Central AC (2 ton)

3500W

Router

20W

Coffee Maker

800W

Well Pump (1.5 HP)

2000W

Large Air Compressor

2200W

Full-Size Fridge

400W

Table Saw + Dust Collector

3000W

Electric Water Heater

4000W

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 SP4000W’s 8000W peak handles these surges.

POWER CONSUMPTION REFERENCE

Will It Run Your Device?

A practical reference table showing typical device wattage and whether the SP4000Wcan handle it. Use this as a quick sizing check before you buy.

DEVICE	TYPICAL POWER	SUITABLE FOR SP4000W
2-ton central AC	3500W (7000W surge)	✓ Yes
1.5 HP well pump	2000W (6000W surge)	✓ Yes
Large air compressor	2200W	✓ Yes
Electric water heater	4000W	✓ Yes
Table saw + dust collector	3000W	✓ Yes
3+ ton central AC	5500W+	× No
Electric range (all burners)	8000W	× No
EV charger (Level 2)	7000W	× 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 4000W or a different size? Follow this 4-step guide — and if the SP4000W 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 SP4000W is right for loads up to 4000W.

Check your battery

Ensure your battery bank can deliver the current. At 4000W, a 12V system draws ~333A; 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

SP4000W Full Spec Sheet

From weekend camping to industrial telecom backup, the SP4000W 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

4000W 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

7.75 kg

Surge Power

Input Voltage (DC)

Output Frequency

No-load Current

USB Port

Cooling

Operating Temp

Dimensions

Certifications

8000W peak (surge)

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

50Hz / 60Hz

< 1.2A

5V / 2A USB

Four Smart fan

-10°C to +50°C

465220155mm

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 4000W inverter run a central air conditioner? ▼

A 2-ton central AC (3500W running, 6000–8000W surge) yes, at the upper limit. A 3+ ton unit needs the SP6000W. Central AC startup surge is very high — verify your unit's LRA (locked rotor amps) and running watts before sizing.

Can it run an electric water heater? ▼

Yes, a 4000W electric water heater runs at the continuous limit. Be aware that water heaters are a continuous heavy load that will drain a battery bank quickly — a 48V 200Ah LiFePO4 bank (9.6kWh) runs a 4000W heater for about 2.4 hours.

What input voltage is required? ▼

The SP4000W is recommended for 48V input only. At 24V the current is 180A+ (impractical); at 12V it is 370A+ (not supported). 48V keeps current to 90A, which is manageable with proper cabling.

Can it run a 1.5 HP well pump? ▼

Yes. A 1.5 HP well pump draws about 2000W running with a 6000W startup surge. The SP4000W with its 8000W peak handles it with headroom.

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

Yes. The SP4000W is designed for large off-grid homes and estates. Paired with a 48V LiFePO4 battery bank (typically 400–600Ah) and a 8–12kW solar array, it runs a full luxury household including central AC.

Can it be used for agricultural applications? ▼

Yes. The SP4000W powers irrigation pumps, ventilation fans and farm equipment in remote locations. The 48V input pairs well with solar-charged battery banks for off-grid agricultural use.

How many appliances can run at once? ▼

Combined running wattage must stay under 4000W. For example: central AC (3500W) + lights (100W) + router (20W) = 3620W. Running AC plus a microwave simultaneously would exceed 4000W — manage loads to avoid overload trips.

Does it support remote monitoring? ▼

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 support remote monitoring? ▼

Yes. The SP4000W supports RS485 communication and optional remote display for real-time monitoring of voltage, current, power and fault status. Contact our OEM team for monitoring-enabled configurations.

What battery bank do I need? ▼

For a large off-grid home: a 48V 400–600Ah LiFePO4 battery bank (19–29kWh) paired with an 8–12kW solar array. Consult your system designer — proper sizing depends on your daily energy consumption and solar generation.

Do you offer OEM branding? ▼

Yes. We support custom logo, housing color, socket type, voltage, communication protocol (RS485 / CAN), packaging and private model numbers. Contact our OEM team for MOQ and pricing.

What certifications does it have? ▼

The SP4000W 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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