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growatt|SKU:519009

Growatt 3kW Stackable Off-Grid Inverter — 48V, 80A MPPT, Parallel-Ready

3kW Stackable Power for Your Off-Grid Build

Experience true energy independence with the Growatt 3kW Stackable Off-Grid Inverter, engineered to deliver robust, reliable power for your off-grid lifestyle. Its innovative stackable design allows seamless expansion, effortlessly scaling your system as your energy needs grow. Backed by intelligent monitoring and premium build quality, this inverter provides the steadfast performance and peace of mind essential for a self-sufficient home.

3,000W pure sine wave — Clean power for sensitive electronics
Stack up to six units — Parallel operation scales your system
4,000W max solar input — MPPT range 120V to 250VDC
CAN/RS485 BMS communication — Direct battery management integration
  • FREE System Design Consultation -- Our engineers size your system for your actual consumption
  • Free Shipping -- Ships free, including LTL freight on large orders
  • Compatibility Guarantee -- Components pre-vetted to work together

$688.95

Out of stock

In the box

  • Growatt SPF 3000TL LVM-ES inverter
  • User manual
Growatt-3kW-Stackable-Off-Grid-Inverter-1
Growatt 3kW Stackable Off-Grid Inverter — 48V, 80A MPPT, Parallel-Ready
$688.95

3kW Stackable Power for Your Off-Grid Build

The Growatt SPF 3000TL LVM-ES delivers 3,000W of continuous, pure sine wave output designed for off-grid and grid-independent systems. With a 4,000W max PV input and 80A charging current through a 48V battery bank, this solar-rated inverter handles serious daily energy demands. Stack up to six units in parallel to scale your system as your homestead grows. CAN/RS485 BMS communication keeps your battery bank protected, and optional WiFi/GPRS monitoring lets you track performance remotely. Finance with Affirm — pay as low as $58/month. Ships free.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
3,000W Continuous Output
Pure Sine Wave 120V
Stack Up to 6 Units
CAN/RS485 BMS Ready
4,000W
Max PV Input
80A
Max Charging Current
250VDC
Max MPPT Voltage
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No Grid Dependency, No Compatibility Guesswork

Grid-tied inverters go dark the moment the utility fails. That defeats the entire point of energy independence. The Growatt SPF 3000TL LVM-ES is built for true grid-independent operation, delivering pure sine wave power whether the grid exists or not. At Off Grid Vault, we pre-vetted this inverter for real-world compatibility with 48V LiFePO4 battery banks and standard MPPT configurations. CAN and RS485 BMS communication means your battery talks directly to the inverter. No protocol mismatches, no guessing whether components work together. We already did that engineering work so you install with confidence.

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Scale Your System Without Starting Over

Start with 3,000W today and expand to six stacked units as your power demands grow. Parallel operation with battery connection means you are not locked into a single capacity ceiling. This is the architecture that makes sense for a cabin that adds a well pump next year, or a homestead expanding to a workshop. The 4,000W max PV input and 80A charging current at 48V handle serious solar arrays without bottlenecking your harvest. High-frequency design keeps the footprint compact and manageable for wall-mount installations where space is tight. Your system grows on your timeline, not a vendor's replacement schedule.

Growatt-3kW-Stackable-Off-Grid-Inverter-1

Monitor Your Power From Anywhere

The MPPT operating range of 120V to 250VDC gives you flexibility in solar array wiring, whether you are running fewer panels at higher voltage or more panels in a distributed layout across a roofline. Optional WiFi and GPRS remote monitoring means you can check your system status from your phone without walking out to the power shed. Solar and utility grid can simultaneously power loads, giving you flexibility in hybrid configurations where grid power is available but not relied upon. This inverter adapts to how you actually use power, not how a brochure says you should.

System Compatibility Check

Confirm these conditions before adding to your build.

  • 48V battery bank required
  • PV array within 120V–250V MPPT operating range
  • 120V AC load distribution

Where This Inverter Fits

Proven in real off-grid installations.

Cabin & Homestead Power
Solar + Grid Hybrid Setup
Expandable Parallel Systems

Full specifications

At a glance

Power
3,000W
Warranty
See product page
Full specifications15 data points across 4 categories

Dimensions

Form FactorSee product page

Power & Performance

Rated Power3,000W
Power Factor1
Rated AC Output Power120V
Max PV Input4,000W
Battery Voltage48V
Max Charging Current80A
Max MPPT Operating Voltage250VDC
MPPT Range120V~250V, 250Voc/VDC
AC OutputPure sine wave
Parallel OperationUp to 6 units (battery connected)
BMS CommunicationCAN/RS485
Remote MonitoringWIFI/GPRS (optional)

Materials

ConstructionSee product page

Compliance & Warranty

WarrantySee product page

The Off Grid Vault Promise

What you get when you buy from us — not from a generic marketplace.

Free ShippingShips free to your door — no minimums, no thresholds, no surprise freight charges.
30-Day Performance GuaranteeIf it doesn't perform as specified, we make it right. Uninstalled returns accepted within 30 days in original packaging.
Free System Design ConsultationOur engineers size your system for your actual consumption — no guesswork, no incompatible components.
★★★★★
“I installed this Growatt in my 600 sq ft off-grid cabin running a 48V LiFePO4 bank with four 250W panels. Pure sine wave runs my fridge and well pump without any flickering. The CAN port connected to my BMS on the first try. Planning to stack a second unit this fall when I add the workshop. Solid inverter for anyone building a self-reliant power system.”
F
First L.Prescott, AZ

Growatt 3kW Stackable Off-Grid Inverter | SPF 3000TL LVM-ES

Experience true energy independence with the Growatt 3kW Stackable Off-Grid Inverter (SPF 3000TL LVM-ES)—a premium, high-performance power solution engineered for off-grid living, backup applications, and remote installations. Combining a compact, lightweight high-frequency design with exceptional stackable scalability, this inverter delivers pure sine wave AC output and intelligent energy management. Whether you are building a solar-powered cabin, upgrading an RV system, or creating a resilient home backup, the Growatt SPF 3000TL LVM-ES offers the versatility, reliability, and efficiency you need to take control of your power supply. At just $688.95, it represents an outstanding value in premium off-grid technology.

Key Features

  • Rated Power Output: 3,000W continuous with a power factor of 1, ensuring maximum usable power for your essential loads.
  • High-Efficiency Solar Charging: Supports up to 4,000W maximum PV input, with an MPPT range of 120V~250V and a maximum MPPT operating voltage of 250VDC (250Voc) for optimized energy harvest.
  • 48V Battery System: Standard 48V battery voltage with a robust 80A maximum charging current for fast, efficient battery replenishment.
  • Pure Sine Wave AC Output: Delivers clean, stable 120V AC power, safe for sensitive electronics, appliances, and tools.
  • Dual Power Source Capability: Solar and utility grid can power loads simultaneously, ensuring uninterrupted operation and maximum energy utilization.
  • Stackable Parallel Operation: Connect up to 6 units in parallel (with battery connected) to scale your system capacity from 3kW to 18kW as your energy needs grow.
  • Advanced BMS Communication: Equipped with CAN/RS485 ports for seamless communication with compatible lithium battery management systems, enhancing safety and battery lifespan.
  • Remote Monitoring Ready: Optional WiFi or GPRS module enables real-time remote monitoring and control via smartphone or web interface (sold separately).
  • Compact & Lightweight: High-frequency inverter design reduces size and weight, making installation simple and space-efficient.

Specifications

  • Model: SPF 3000TL LVM-ES
  • Rated Power: 3,000W (Power Factor 1)
  • Max PV Input: 4,000W
  • Battery Voltage: 48V
  • Max Charging Current: 80A
  • Max MPPT Operating Voltage: 250VDC (250Voc)
  • MPPT Range: 120V~250V
  • Rated AC Output Voltage: 120V
  • Output Waveform: Pure Sine Wave
  • Parallel Operation: Up to 6 units (battery connected required)
  • Communication Ports: CAN / RS485 for BMS
  • Remote Monitoring: WiFi or GPRS (optional)

Why Choose Growatt 3kW Stackable Off-Grid Inverter

Growatt is a globally trusted leader in solar and energy storage technology, and the SPF 3000TL LVM-ES embodies the brand’s commitment to innovation, durability, and value. This inverter stands out for its exceptional scalability—allowing you to start with a single 3kW unit and expand to a robust 18kW system by stacking up to six units in parallel. The advanced MPPT technology ensures you capture maximum energy from your solar panels, while the pure sine wave output guarantees clean, reliable power for all your equipment. With intelligent BMS communication for battery protection and optional WiFi/GPRS monitoring for real-time insights, you gain complete control over your off-grid energy ecosystem. Backed by Growatt’s reputation for quality and our Lowest Price Guarantee, this inverter delivers premium performance at an accessible price point—making it the smart choice for those who demand dependable, expandable, and efficient off-grid power.

Your Satisfaction with Growatt is Guaranteed: Lowest Price Guarantee included.

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Frequently Asked Questions

Shipping details are not specified in the product data, so we recommend contacting customer support for current shipping options and costs. The inverter arrives ready to mount and connect; no assembly is needed beyond standard wiring to your solar panels, battery, and loads. Always follow the included manual for safe installation.
This inverter requires a 48V battery bank. It supports CAN/RS485 BMS communication for compatible lithium batteries. For sizing, the inverter’s rated power is 3,000W, and the max charging current is 80A. Ensure your battery capacity can handle the max PV input of 4,000W and your daily loads. Parallel operation up to 6 units allows scaling.
The inverter operates at a 48V battery voltage with a maximum charging current of 80A. It features an MPPT charge controller with a range of 120V–250V and a max open-circuit voltage of 250VDC. The max PV input is 4,000W, and it can charge from both solar and the utility grid simultaneously.
Routine maintenance includes keeping the inverter clean and free of dust, ensuring ventilation is unobstructed, and periodically checking all wiring connections for tightness and corrosion. Monitor the system via optional WiFi/GPRS for performance alerts. No internal user-serviceable parts; contact support for any issues.
The product data mentions a Lowest Price Guarantee but does not specify return or warranty terms. For details on returns, exchanges, or technical support, please contact our customer service team directly. We recommend reviewing the full policy on our website before purchase.
This inverter is ideal for homeowners, RV owners, or cabin users seeking a reliable off-grid power solution. Its 3kW rated power and stackable design (up to 6 units) suit small to medium energy needs. It works for backup power or full off-grid setups with solar panels and a 48V battery bank.
The inverter delivers 3,000W continuous power with a pure sine wave output, suitable for sensitive electronics. However, appliances with high inrush currents (e.g., refrigerators, pumps) may exceed the inverter’s surge capacity. Check the startup wattage of your devices; parallel operation with multiple units can increase capacity.
The inverter supports optional WiFi or GPRS remote monitoring, allowing you to track system performance, battery status, and energy production via a mobile app or web interface. It also has CAN/RS485 ports for BMS communication with compatible batteries. No monitoring hardware is included by default.
SKU: 519009 Categories: , Brand:

The Off Grid Vault Promise

What you get when you buy from us — not from a generic marketplace.

Free Shipping Ships free to your door — no minimums, no thresholds, no surprise freight charges.
30-Day Performance Guarantee If it doesn't perform as specified, we make it right. Uninstalled returns accepted within 30 days in original packaging.
Free System Design Consultation Our engineers size your system for your actual consumption — no guesswork, no incompatible components.

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About growatt Off-Grid Inverters

growatt is a trusted manufacturer of premium off-grid inverters. OffGridVault is an authorized dealer offering the full growatt lineup with free delivery, price match guarantee, and expert support.

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